Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Subaru Forester 1999-2004 Approved Subaru Forester 1999-2000 FUEL AND OBD II On-Board Diagnostics II System MSA5T0123A27481

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MSA5T0123A27481


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2-7   [T5A0]                               DIAGNOSTICS
5. Specified Data


5. Specified Data
A: ENGINE CONTROL MODULE (ECM) I/O SIGNAL




                                                                                                                 B2M2267A


                             Con- Termi-                    Signal (V)
          Content           nector nal      Ignition SW ON                                             Note
                                                                    Engine ON (Idling)
                             No.   No.       (Engine OFF)
Crankshaft    Signal (+)    B135    1               0                    -7 to +7        Sensor output waveform
position sen- Signal (-)    B135    8               0                        0                         --
sor           Shield        B135    10              0                        0                         --
Camshaft      Signal (+)    B135    2               0                    -7 to +7        Sensor output waveform
position sen- Signal (-)    B135    9               0                        0                         --
sor           Shield        B135    10              0                        0                         --
                                                     Fully closed: 0.2 -- 1.0
              Signal        B136    17                                                                  --
                                                     Fully opened: 4.2 -- 4.7
Throttle
              Power sup-
position sen-               B136    15             5                       5                            --
              ply
sor
              GND (sen-
                            B136    16             0                       0                            --
              sor)
              Signal        B136    18             0                    0 -- 0.9                        --
Rear oxygen Shield          B136    24             0                        0                           --
sensor        GND (sen-
                            B136    16             0                       0                            --
              sor)
Front oxy-
              Signal 1      B134    22         0 -- 1.0                 0 -- 1.0                        --
gen (A/F)
sensor
              Signal 2      B134    23         0 -- 1.0                 0 -- 1.0                        --
heater
Rear oxygen sensor heater
                            B134    21         0 -- 1.0                 0 -- 1.0                        --
signal
Engine cool- Signal         B136    14        1.0 -- 1.4               1.0 -- 1.4        After warm-up the engine.
ant tempera- GND (sen-
ture sensor sor)            B136    16             0                       0             After warm-up the engine.

                                                                                         "5" and "0" are repeatedly dis-
Vehicle speed signal        B135    24          0 or 5                   0 or 5
                                                                                         played when vehicle is driven.
Starter switch              B135    28            0                       0              Cranking: 8 -- 14
                                             ON: 10 -- 13            ON: 13 -- 14
A/C switch                  B135    27                                                                  --
                                               OFF: 0                  OFF: 0


                                                           36
                                              DIAGNOSTICS                                                   [T5A0] 2-7
                                                                                                        5. Specified Data


                                Con- Termi-                  Signal (V)
          Content              nector nal      Ignition SW ON                                           Note
                                                                     Engine ON (Idling)
                                No.   No.       (Engine OFF)
Ignition switch                B135    7           10 -- 13              13 -- 14                          --
Neutral position switch                                     ON: 12



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