Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Subaru Forester 1999-2004 Approved Subaru Forester 2004 6 - Wiring System Engine Electrical System

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Engine Electrical System


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                                                                                         ENGINE ELECTRICAL SYSTEM
WIRING SYSTEM

18.Engine Electrical System
A: WIRING DIAGRAM
1. NON-TURBO MODEL
                                                                                                                                                                      CLUTCH SWITCH (MT)
BATTERY                                                                                                                                               STARTER MOTOR
                              SBF-1                                     TO SECURITY                       INHIBITOR SWITCH (AT)
                                                                        CONTROL MODULE                              P

                                                                   IGNITION SWITCH                                  R
                                                  SBF-4




                                                                         OFF ACC ON ST                              N                                                                                   1
                                                                                                                                     STARTER
                                                                    B                                               D
                                                                                                                                     INTER-
                                                                                                                                                                                                        2
                                                                                                   INTERRUPT                         LOCK
                                                                   ACC
                                                                                                   RELAY
                                                                                                                    3
                                                                                                                                     RELAY
                                                                                                                                                                                                        3
                                                                   IG                                               2                (MT)
                                                                                                                                                                                                        4
           F/B FUSE NO. 11

                               F/B FUSE NO. 13




                                                                   ST                                               1
                                                  F/B FUSE NO. 5




                                                                                                                                                 MT
   SBF-5




                                                                                         WS




                                                                                                               WS


                                                                                                                        AT
                                                                                                                                            AT

                                                                                              OS         OS                  MT                                                   C20
                                                                                                                                                                             AT   C21

                                                                                                                                                                                  C10
                                                                                                                                                                                  B9
                                                                                                                                                                                  C12
                                                                                                                                                                                  C23
                                          FUEL                                            MAIN                                                                                    C13
                                          PUMP                                            RELAY                                                                                   C22
                                          RELAY                                                         FRONT OXYGEN (A/F) SENSOR
                                                                                                                                                                                  B23
                                                                                                                                                                                  C6
                                                                                                                                                                                  C17
                                                                                                                                                                                  C4
                                                                                                        REAR OXYGEN SENSOR                                                        B14
                                                                                                                                                                                  D15
                                                                                                                                                                                  A11
                                                                                                                                                                                  B1
                                                                                                                                                                                  B2
                                                                                                                                                                                  A15
                                                                                                                                                                                  A16




                                                                                                                                                                                           ENGINE CONTROL MODULE
                             FUEL                                                                       EGR SOLENOID VALVE                                                        A17
                             PUMP                                                                                                                                                 A18
                                                                                                        FUEL INJECTOR NO. 1                                                       A34
                                                                                                        FUEL INJECTOR NO. 2                                                       A23
                                                                                                        FUEL INJECTOR NO. 3                                                       A22
                                                                                                        FUEL INJECTOR NO. 4                                                       A8
                                                                                                                                                                                  A6
                                                                                                                                                                                  A19
                                                                                                        IDLE AIR CONTROL SOLENOID VALVE                                           A20
                                                                                                                                                                                  A5
                                                                                                        AIR ASSIST INJECTOR SOLENOID VALVE                                        A12
                                                                                                        PURGE CONTROL SOLENOID VALVE                                              A29
                                                                                                        INTERNAL PRESSURE SOLENOID VALVE                                          A1
                                                                                                        DRAIN VALVE                                                               A3
                                                                                                        PRESSURE SOLENOID VALVE                                                   A4
                                                                                                        FUEL TEMPERATURE SENSOR                                                   D5
                                                                                                                                                                                  B26
                                                                                                        FUEL TANK PRESSURE SENSOR                                                 B19
                                                                                                                                                                SHIELD AND
                                                                                                                                                                SENSOR GROUND
                                                                                                                                                                JOINT CONNECTOR
                                                                                                                                                                                  D19
                                                                                                                                                                                  D2
                                                                                                        TRANSMISSION CONTROL MODULE (AT)                                          C15
                                                 AT : AT MODEL                                                                                                                    C1
                                                                                                                                                                                  C18
                                                                                                               TO AIR CONDITIONING RELAY                                          A9
                                                 MT : MT MODEL                                            TO EVAPORATION THERMO SWITCH                                            C11
                                                                                                              TO AIR CONDITIONING SWITCH                                          D13
                                                 WS : WITH SECURITY MODEL                                               TO MAIN FAN RELAY                                         A14
                                                                                                                         TO SUB FAN RELAY                                         A13
                                                                                                                   TO INTEGRATED MODULE                                           D4
                                                 OS : WITHOUT SECURITY MODEL                                           TO LIGHTING SWITCH                                         D20

                                                                                                                                                                                                        5
                                                                                                                                                                                                        6
                                                                                                                                                                                   WI-03036




                                                                                                                    WI-80
                                                              ENGINE ELECTRICAL SYSTEM
                                                                                                                                                                               WIRING SYSTEM




                              CHECK                 DATA LINK          LINE END CHECK
                              CONNECTOR             CONNECTOR          CONNECTOR            VEHICLE SPEED            MT                         AT   TRANSMISSION
                                                                                            SENSOR (MT)                                              CONTROL MODULE (AT)

                                                                                                                                                       COMBINATION METER
1
                                                                                                                                                                                  I/F
2
                                                                                    IGNITION COIL
3                                                                                   AND IGNITOR




                                                                                                                                                                  CUSTOM CPU
                                                                                                                                                                                  SPEEDO-
                                                                                                                                                          I/F                      METER
4
                        D16                                                                                                                               I/F
                        D10
                        A33
                        A32                                                                                                                                                       TACHO-
                        A10                                                                                                                                                       METER

                                                  TEST MODE
                                                  CONNECTOR                                                                                                MALFUNCTION
                        C3                                                                                                                                 INDICATOR LIGHT

                        A28
                                                                                                                                                                ENGINE COOLANT
                                                                                                                                                                TEMPERATURE GAUGE

                               LINE END CONNECTOR                                                                                                          OIL PRESSURE
                                                                                                                                                           WARNING LIGHT




                                                                                                                          OIL PRESSURE SWITCH
                                   FUEL SUB       FUEL

                                                                                                       THERMOMETER
                                   LEVEL SENSOR   LEVEL SENSOR
                        B25
                                                                 NEUTRAL POSITION
                                                                 SWITCH (MT)


                        C21   MT
ENGINE CONTROL MODULE




                        B3
                                                                                                                                                                                        THROTTLE
                        B13                                                                                                                                                             POSITION
                                                                                                                                                                                        SENSOR

                                                                                                                      PRESSURE SENSOR
                        B15

                                                                                                                      INTAKE AIR
                         D6
                                                                                                                      TEMPERATURE SENSOR

                                                                                                                      ENGINE COOLANT
                        B12
                                                                                                                      TEMPERATURE SENSOR


                         B7                                                                                                                                           CRANKSHAFT POSITION
                        B17                                                                                                                                           SENSOR

                         B6                                                                                                                                           CAMSHAFT POSITION
                        B18                                                                                                                                           SENSOR
                        B28
                        B16                                                                                                                                           KNOCK SENSOR
                        B27
                         A7
                        A35
                        C26
                        B21
                        D14
                        C19   MT
                         C5
                        C16
                         C9
                                                                  POWER
                                                                  STEERING
                                                                  OIL
5                                                                 PRESSURE
                                                                  SWITCH
6
                                                                                          ENGINE GROUND
                                                                                                                                                                                        WI-03037




                                                                                       WI-81
                                                                                 ENGINE ELECTRICAL SYSTEM
WIRING SYSTEM
E/G(NA)-01




                                                                                                                                                                                                                                                       E/G(NA)-01
                                                                                                                                                  TO POWER SUPPLY ROUTING

                                                                                                                           FB-19
                                                                                                                      F/B FUSE NO. 11
                                                                                                                            (IG)
               FUEL PUMP
               RELAY




                                                                                                                             GR
                                    2         BR
                                                                                                                                                                                                                             A   E/G(NA)-03

                                    1         GR                                                                                                                                                                             B   E/G(NA)-08
                                    3         LgB
                                    4         BY

                                     B46
             FUEL PUMP ASSEMBLY
                    FUEL PUMP

                                              1        BY                                               BY      8     BY            BY       5     BY
                                              4        B                                                  B     16    B
               FUEL                           5        RW
               TEMPERATURE
               SENSOR                         6        LB

                FUEL LEVEL
                SENSOR                        2        BW                                               BW      11    BW            BW       12    BW                                                                        C   E/G(NA)-02
                                              3         L                                               BrW     7    BrW           BrW       6    BrW

                                               R58                                                      LgB     2    LgB            LgB      10 LgB
                                                                                                        RW      3     RW            RW       3     BW                                                                        D   E/G(NA)-06
               FUEL SUB                                                                                 LB      5     LB            LB       7     LB
               LEVEL SENSOR
                                              2         L                                               BrY     6     BrY           BrY      9     BrY
                                              1        BrW                                              YG      10    YL            YL       1     YL                                                                        E   E/G(NA)-03
                                               R59                                                        R     12    Sb            Sb       4     Sb                                                                        F   E/G(NA)-06
                                                                                                        GOr 13       GOr            GOr      8    GOr
                                                                                                        RY      14    RY            RY       2     RY                                                                        G   E/G(NA)-06
                                                                                                        RL      4     RL            RL       11    RL

                                                                                                          R57        R15                R2        B98
                                        LgB




                                                                                             GOr
                                                                      BrY
                     YG




                                                  YG




                                                                            YG




                                                                                                   RY
               RL




                                                                                        R




                                                                                                                                                                                             B25 BrW
                                                                                                                                                            B26 GOr




                                                                                                                                                                                    A4 LgB


                                                                                                                                                                                                        A11 LgB
                                                                                                                                                                      A3 BrY




                                                                                                                                                                                                                   C10 GR
                                                                                                                                                                               LB




                                                                                                                                                                                                                            RL
                                                                                                                       B




                                                                                                                                        B
                                                                                                                                             B




                          R144                              R68                   R69                     R47
               2
                     1




                                        2

                                                  1




                                                                      2
                                                                            1




                                                                                        3
                                                                                             1
                                                                                                   2




                                                                                                                                                   R147
                                                                                                                                                                               D5




                                                                                                                                                                                                                            A1
                                                                                                                                        1
                                                                                                                                             3




                                                                                                                                                                               A: B134                 B: B135               ENGINE
                                                                                                                                    GROUND
                                                                                                                                                                                                                             CONTROL
    INTERNAL                       PRESSURE     VENT CONTROL                            FUEL TANK                                    JOINT
                                                                                                              REF. TO GND-06                                                   C: B136                 D: B137               MODULE
   PRESSURE                      SOLENOID VALVE   SOLENOID                              PRESSURE                                   CONNECTOR
 SOLENOID VALVE                                     VALVE                                SENSOR

         R59                         R47           (BLACK)                  B46                    R147                           R58                                 B98                                                            R57

         R68        (GRAY)          1 2 3                                   1 2              1 2 3 4 5                        1 2 3                       1 2     3 4 5
                                                                                                                                                                                                                            1 2 3        4 5 6 7
                                                                            3 4                                               4 5 6                       6 7 8 9 10 11 12
         R69                                                                                                                                                                                                                8 9 10 11 12 13 14 15 16

       R144 (BROWN)

         1 2

                D: B137 (GRAY)                                              C: B136 (GRAY)                                  B: B135 (GRAY)                                                                        A: B134 (GRAY)

      1 2             3 4                                         1 2 3                4 5 6                     1 2 3                 4 5 6 7                                 1 2     3 4                  5 6      7 8
      5 6 7 8 9 10 11 12 13                                       7 8 9 10 11 12 13 14 15 16 17                  8 9 10 11 12 13 14 15 16 17 18 19                             9 10 11 12 13 14 15 16 17 18 19 20 21 22 23
      14 15 16 17 18  19 20                                       18 19 20 21 22 23 24    25 26                  20 21  22 23    24 25 26    27 28                             24 25   26 27 28 29    30 31 32 33    34 35


                                                                                                                                                                                                                                            WI-03038




                                                                                                                WI-82
                                                                                       ENGINE ELECTRICAL SYSTEM
                                                                                                                                                                                                                           WIRING SYSTEM
E/G(NA)-02




                                                                                                                                                                                                                                                  E/G(NA)-02
                                                                                                                                        TO POWER SUPPLY ROUTING
                                            FB-22                                                                                                                                                         IG
                                       F/B FUSE NO. 14                                                                                                                                             IGNITION RELAY
                                             (IG)                                                                                                                                                        (IG)




                                                                                                                                                                                                          GW
                                                        GR
                                                                      B36
                                                                                                                                                                             B:   B55

                                                        5             i1                                                                                                   TRANSMISSION
                                                                                                                                                                             CONTROL
                                                        GR
                                                                                                                                                                            MODULE (AT)
                                                        B9




                                                                                                                                                                                     GY B13
                                                                                                                             SPEEDO-                TACHO-                                                                    H   E/G(NA)-05
                                                                                                                              METER                 METER
                                                                                                                                                                COMBINATION




                                                                                                                       I/F
                                                                                         INDICATOR LIGHT                                                        METER
                                                                      TEMPERATURE
                                        WARNING LIGHT




                                                                                                                                                                B:   i10
                                        OIL PRESSURE




                                                                                         MALFUNCTION




                                                                                                                                      CUSTOM CPU
                                                                                                                                                                C:   i11
                                                                      GAUGE




                                                                                                                                                                                                                              VEHICLE
                                                                                                                                                                A:   i12                                                      SPEED SENSOR (MT)




                                                                                                                                                                                     AT
                                                                                                                       I/F
                                                                                                                             I/F                                                                                             GW     3
                                                                                                                                                                                              MT                             GY     1
                                                                                                                                                                                                                             BL     2
                                                                              WG C10




                                                                                                                       B11
                                                                                                                             GY B12
                                                        GW A3




                                                                      C9




                                                                                                           A1




                                                                                                                                                                                                                                B17
                                                                      BW




                                                                                                           RW



                                                                                                                       G




                                         i3                                                                                             i1
                                                        14




                                                                      15
                                                                              13




                                                                                                           17



                                                                                                                       17
                                                                                                                             18




                                        B38                                                                                             B36
                                                        GW




                                                                              WG
                                                                      BW




                                                                                                           RW




                                                                                                                             GY
                                                                                                                       G




                                                                                                                                                                                                                              I   E/G(NA)-05
             E/G(NA)-01      C                                                                                                                                                                                                J   E/G(NA)-08
                                                        GW




                                                                              WG




                                        B22
                                                                              10
                                                        5




                                        E3
                                                        GW




                                                                              WG




                                                                                                                                                                                                                              K   E/G(NA)-07
                                                        GW




                                                                E11
                                                                                                           A28 RW




                                                                                                                             D10 GY
                                                                                                                       G
                                                                                                                       A10




                                                                                                                                                    A: B134    D: B137 ENGINE CONTROL MODULE

                                 OIL PRESSURE SWITCH


    B17       (BLACK)              C:         i11        (GREEN)                              A:           i12      (GREEN)                        B22   (LIGHT GRAY)             D: B137 (GRAY)                                  B36

1 2 3                                                                                                                                                                      1 2             3 4                  1 2 3 4 5            6 7 8 9 10 11
                            1 2 3 4 5 6 7 8 9 10                                    1 2 3       4 5 6                                        1 2  3 4
                                                                                                                                                                           5 6 7 8 9 10 11 12 13                12 13 14 15 16 17 18 19 20 21 22 23 24
                                                                                    7 8 9 10 11 12 13 14                                 5    6 7     8
                                                                                                                                                                           14 15 16 17 18  19 20
                                                                                                                                          9 10   11 12
                                                                                                                                        13   14 15   16
                                                                                                                                         17 18   19 20

               B:   B55     (GRAY)                                                  B:          i10          (GREEN)                                           B38                                             A: B134 (GRAY)

                                                                                                                                               1 2 3 4              5 6 7 8 9                  1 2     3 4                  5 6      7 8
1 2 3 4             5 6     7     8     9                 1 2 3 4 5 6 7              8 9 10 11 12 13 14
                                                                                                                                               10 11 12 13 14 15 16 17 18 19 20 21             9 10 11 12 13 14 15 16 17 18 19 20 21 22 23
10 11 12 13         14 15   16    17    18                15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
                                                                                                                                               22 23 24 25 26 27 28 29 30 31 32                24 25   26 27 28 29    30 31 32 33    34 35
19 20 21                    22    23    24


                                                                                                                                                                                                                                             WI-03039




                                                                                                                                             WI-83
                                                                           ENGINE ELECTRICAL SYSTEM
WIRING SYSTEM

                                                                                                                                                       SHORT CONNECTOR
E/G(NA)-03




                                                                                                                                                                                                                              E/G(NA)-03
                                              TO POWER SUPPLY ROUTING                                                                                  (WITHOUT SECURITY SYSTEM)
                                                                            MB-9                        ST                                                 WL     2        Y
                                                                            SBF-5               IGNITION SWITCH
                                                                                                                                                           WR     6        Y
                                                                             (B)                       (ST)                                                                                            INTERRUPT RELAY
                                                                                                                                                             B59                                       (WITH SECURITY
                                                                                                                                                                                                       SYSTEM)




                                                                                                         WL
                                                                                 BR




                                                                                                                             OS
                                                                                                                                  WS                                                        WL       2
                     WS : WITH SECURITY SYSTEM




                                                                                                                                            OS
                                                                                                                                                                                           WR        6




                                                                                 BR
                     OS : WITHOUT SECURITY SYSTEM                                        F44                                                     WS                                         WL       1




                                                                                 7
                                                                                                                                                        REF. TO SEC-01                      RB       4
                                                                                        B61




                                                                                 BR
                                                                                                                                                                                                B59
                                                                                                                                                                                                         INHIBITOR SWITCH (AT)
         E/G(NA)-01        A                                                                                                                                                                     P       R   N    D   3   2    1

                                                                                                                                                 AT          WR       12         BY        12
         E/G(NA)-01        E




                                                                                                                                            MT
                                                                                                                                                             YL       11        BW         7
MAIN RELAY
                                                                                                                                                              B12          T3         T7
                            6   BR                                                                                                                                                                           L   E/G(NA)-05
                            4   YR                                                                                                                                                                           M   E/G(NA)-06
                            5   BR                                                                                                                                                                           N   E/G(NA)-09
                            3    YL
                                                                                                                                                                                STARTER INTERLOCK RELAY (MT)
                            2   LgW
                                                                                                                  AT


                            1      B                                                                                                                                                       WR      28
                                                                                                                           MT                                                              YL      27
                             B47                                                                                                                                                           WR      26
                                                                                                                                                                                           GY      24

                                                                                                                                                                                                B225          CLUCTH
                                                                                                                                                                                                              SWITCH (MT)


                                                                                                                                                                                            GY       2
                                                                                                                                                                                            B        1

                                                                                                                                                                                                B106         STARTER MOTOR
                                              B




                                                                                                                                                             TO BATTERY TERMINAL
                                                                                                         AT




                                   REF. TO GND-04
                                                            C12 LgW




                                                                                                         C21 WR
                                                                                 BR
                                                                                      C23 YR
                                                                      YL
                                                                           YL




                                                                                                                  C20 YL




                                                                                                                                            B




                                                                                                                                                                                            YL
                                                                      B1
                                                                           B2
                                                                                 B9




                                                                                                                                                                                                B14

                                B: B135       C: B136 ENGINE CONTROL MODULE
                                                                                                                                      REF. TO GND-02


       B106               B59             B47          (BROWN)             F44                      T7                          B12   (GRAY)               C: B136 (GRAY)                                B: B135 (GRAY)

             1          1 2 3            1         2                  1 2 3 4                  1 2 3 4 5 6                 1 2 3 4                1 2 3                4 5 6               1 2 3                 4 5 6 7
             2          4 5 6             3       4                   5 6 7 8                  7 8 9 10 11 12              5 6 7 8                7 8 9 10 11 12 13 14 15 16 17            8 9 10 11 12 13 14 15 16 17 18 19
                                          5       6                                                                        9 10 11 12             18 19 20 21 22 23 24    25 26            20 21  22 23    24 25 26    27 28



                                       B225   (BLACK)

         1       2
         3       4       9 14 15 16 19 24 25 26 29 34 35 36
                         10    17    20    27    30    37
         5       6
                      11 12 13 18 21 22 23 28 31 32 33 38
         7       8
                                RELAY BLOCK                                                                                                                                                                           WI-03040




                                                                                                                  WI-84
                                                                         ENGINE ELECTRICAL SYSTEM
                                                                                                                                                                                                                                 WIRING SYSTEM
E/G(NA)-04




                                                                                                                                                                                                                                            E/G(NA)-04
                                            A/C(AN)-01
                                     REF. TO A/C(M)-01




                                                                                                                                                                                               REF. TO AT(NA)-04
                                                                                                                                                         REF. TO ILLUMI-01
                                                                                            REF. TO R/F-01




                                                                                                                                 REF. TO R/DEF-01
                           B11 BrW




                                                                                                                                                                             D19 BrR

                                                                                                                                                                                       D2 GW
                                                             D13 GB




                                                                                                             A13 GR




                                                                                                                                                                                                                        C18 PG
                                                                                                                                                         D20 BP




                                                                                                                                                                                               C15 YR

                                                                                                                                                                                                                   RY
                                                                                   A14 RL
                                                    C11 LY
                                     Br




                                                                                                                                 L
                                     A9




                                                                                                                                 D4




                                                                                                                                                                                                                   C1




                                                                            A: B134             B: B135               C: B136   D: B137             ENGINE CONTROL MODULE




             D: B137 (GRAY)                                           C: B136 (GRAY)                                                        B: B135 (GRAY)                                                         A: B134 (GRAY)

        1 2             3 4                                  1 2 3                4 5 6                                  1 2 3                 4 5 6 7                       1 2     3 4                  5 6      7 8
        5 6 7 8 9 10 11 12 13                                7 8 9 10 11 12 13 14 15 16 17                               8 9 10 11 12 13 14 15 16 17 18 19                   9 10 11 12 13 14 15 16 17 18 19 20 21 22 23
        14 15 16 17 18  19 20                                18 19 20 21 22 23 24    25 26                               20 21  22 23    24 25 26    27 28                   24 25   26 27 28 29    30 31 32 33    34 35




                                                                                                                                                                                                                                       WI-03041




                                                                                                                         WI-85
                                                                ENGINE ELECTRICAL SYSTEM
WIRING SYSTEM
 E/G(NA)-05




                                                                                                                                                                                                         E/G(NA)-05
                                                                              C: B136       D: B137     ENGINE CONTROL MODULE




                                                                                                                                                  GrB D16



                                                                                                                                                                 GB C21
                                                                         C3
                                                                         Or




                                                                                                                                                                 MT
                                                                                                                                                                                          NEUTRAL POSITION
                DIAGNOSIS                                                                                                   



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