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POWER SUPPLY, GROUND & CIRCUIT ELEMENTS


K ELECTRICAL

                                                                                                                                                                   A




   POWER SUPPLY, GROUND & CIRCUIT ELEMENTS
                                                                                                   SECTION                    PG                                   B



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                                                                                                                                                                   E
                                                                   CONTENTS
PRECAUTIONS ......................................................... 3   .        GROUND .................................................................. 30
                                                                                                                                                          .        F
  Precautions for Battery Service ............................... 3       .         Ground Distribution ................................................ 30
                                                                                                                                                          .
POWER SUPPLY ROUTING CIRCUIT ..................... 4                      .           MAIN HARNESS ................................................ 30    .
  Schematic ............................................................... 4
                                                                          .           ENGINE ROOM HARNESS ............................... 33              .        G
  Wiring Diagram -- POWER -- ................................ 5           .           ENGINE CONTROL HARNESS ......................... 35                 .
    BATTERY POWER SUPPLY -- IGNITION SW.                                              BODY HARNESS ............................................... 36     .
    IN ANY POSITION ............................................... 5     .           BODY NO.2 HARNESS ..................................... 38          .
                                                                                                                                                                   H
    ACCESSORY POWER SUPPLY -- IGNITION                                             HARNESS ................................................................ 40
                                                                                                                                                          .
    SW. IN "ACC" OR "ON" ...................................... 10        .         Harness Layout ..................................................... 40
                                                                                                                                                          .
    IGNITION POWER SUPPLY -- IGNITION SW.                                             HOW TO READ HARNESS LAYOUT ................ 40                      .
    IN "ON" AND/OR "START" ..................................11           .           OUTLINE ............................................................ 41
                                                                                                                                                          .         I
  Fuse ...................................................................... 16
                                                                          .           MAIN HARNESS ................................................ 42    .
  Fusible Link ........................................................... 16
                                                                          .           ENGINE ROOM HARNESS ............................... 44              .
  Circuit Breaker ...................................................... 16
                                                                          .           ENGINE CONTROL HARNESS ......................... 48                 .        J
IPDM E/R (INTELLIGENT POWER DISTRIBUTION                                              BODY HARNESS ............................................... 50     .
MODULE ENGINE ROOM) ..................................... 17              .           BODY NO.2 HARNESS ..................................... 53          .
  System Description ............................................... 17   .           ROOM LAMP HARNESS ................................... 55            .
                                                                                                                                                                   PG
    SYSTEMS CONTROLLED BY IPDM E/R .......... 17                          .           DOOR HARNESS .............................................. 56      .
    CAN COMMUNICATION LINE CONTROL ........ 17                            .         Wiring Diagram Codes (Cell Codes) ..................... 57            .
    IPDM E/R STATUS CONTROL .......................... 18                 .        ELECTRICAL UNITS LOCATION ........................... 60               .
  CAN Communication System Description ............. 18                   .         Electrical Units Location ........................................ 60 .        L
  CAN Communication Unit ..................................... 18         .           ENGINE COMPARTMENT ................................. 60             .
  Function of Detecting Ignition Relay Malfunction ... 18                             PASSENGER COMPARTMENT ........................ 61                   .
  CONSULT-II .......................................................... 19.           LUGGAGE COMPARTMENT ............................. 63                .        M
    CONSULT-II BASIC OPERATION ...................... 19                  .        HARNESS CONNECTOR ........................................ 64          .
    SELF-DIAG RESULTS ....................................... 20          .         Description ............................................................. 64
                                                                                                                                                          .
    DATA MONITOR ................................................ 21      .           HARNESS CONNECTOR (TAB-LOCKING
    ACTIVE TEST .................................................... 21   .           TYPE) ................................................................. 64
                                                                                                                                                          .
  Auto Active Test .................................................... 23.           HARNESS CONNECTOR (SLIDE-LOCKING
    DESCRIPTION ................................................... 23    .           TYPE) ................................................................. 65
                                                                                                                                                          .
    OPERATION PROCEDURE .............................. 23                 .        ELECTRICAL UNITS ............................................... 66    .
    INSPECTION IN AUTO ACTIVE TEST MODE ... 23                                      Terminal Arrangement ........................................... 66   .
  Schematic ............................................................. 25
                                                                          .        SMJ (SUPER MULTIPLE JUNCTION) .................... 67                  .
  IPDM E/R Terminal Arrangement .......................... 26             .         Terminal Arrangement ........................................... 67   .
  IPDM E/R Power/Ground Circuit Inspection ......... 27                   .        STANDARDIZED RELAY ......................................... 69        .
  Inspection With CONSULT-II (Self-Diagnosis) ...... 28                   .         Description ............................................................. 69
                                                                                                                                                          .
  Removal and Installation of IPDM E/R .................. 29              .           NORMAL OPEN, NORMAL CLOSED AND
    REMOVAL .......................................................... 29 .           MIXED TYPE RELAYS ....................................... 69        .
    INSTALLATION .................................................. 29    .           TYPE OF STANDARDIZED RELAYS ................ 69                     .



                                                                             PG-1
FUSE BLOCK - JUNCTION BOX (J/B) ................... 71        .        FUSE, FUSIBLE LINK AND RELAY BOX ...............72             .
 Terminal Arrangement ........................................... 71
                                                              .         Terminal Arrangement ............................................72
                                                                                                                                      .




                                                                  PG-2
                                            PRECAUTIONS

PRECAUTIONS                                                                                          PFP:00001
                                                                                                                   A
Precautions for Battery Service                                                                         AKS00B6F


Before disconnecting the battery, lower both the driver and passenger windows. This will prevent any interfer-
ence between the window edge and the vehicle when the door is opened/closed. During normal operation, the          B
window slightly raises and lowers automatically to prevent any window to vehicle interference. The automatic
window function will not work with the battery disconnected.
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                                                   PG-3
                POWER SUPPLY ROUTING CIRCUIT

POWER SUPPLY ROUTING CIRCUIT                    PFP:24110

Schematic                                           AKS003HW




                                               TKWM0934E




                               PG-4
                    POWER SUPPLY ROUTING CIRCUIT

Wiring Diagram -- POWER --                                   AKS003HX

BATTERY POWER SUPPLY -- IGNITION SW. IN ANY POSITION                    A


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                                                       TKWM0935E




                                    PG-5
POWER SUPPLY ROUTING CIRCUIT




                               TKWM0936E




            PG-6
POWER SUPPLY ROUTING CIRCUIT


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                               TKWM0937E




            PG-7
POWER SUPPLY ROUTING CIRCUIT




                               TKWM0938E




            PG-8
POWER SUPPLY ROUTING CIRCUIT


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                               TKWM0939E




            PG-9
                    POWER SUPPLY ROUTING CIRCUIT

ACCESSORY POWER SUPPLY -- IGNITION SW. IN "ACC" OR "ON"




                                                          TKWM0941E




                                   PG-10
                     POWER SUPPLY ROUTING CIRCUIT

IGNITION POWER SUPPLY -- IGNITION SW. IN "ON" AND/OR "START"
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                                                               TKWM0942E




                                    PG-11
POWER SUPPLY ROUTING CIRCUIT




                               TKWM0943E




           PG-12
POWER SUPPLY ROUTING CIRCUIT


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                               TKWM0944E




           PG-13
POWER SUPPLY ROUTING CIRCUIT




                               TKWM0945E




           PG-14
POWER SUPPLY ROUTING CIRCUIT


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                               TKWM0946E




           PG-15
                               POWER SUPPLY ROUTING CIRCUIT

Fuse                                                                            AKS003HY


q   If fuse is blown, be sure to eliminate cause of incident before
    installing new fuse.
q   Use fuse of specified rating. Never use fuse of more than speci-
    fied rating.
q   Do not partially install fuse; always insert it into fuse holder prop-
    erly.
q   Remove fuse for "ELECTRICAL PARTS (BAT)" if vehicle is not
    used for a long period of time.

                                                                             CEL083


Fusible Link                                                                    AKS003HZ


A melted fusible link can be detected either by visual inspection or by
feeling with finger tip. If its condition is questionable, use circuit
tester or test lamp.
CAUTION:
q    If fusible link should melt, it is possible that critical circuit
     (power supply or large current carrying circuit) is shorted.
     In such a case, carefully check and eliminate cause of inci-
     dent.
q    Never wrap outside of fusible link with vinyl tape. Important:
     Never let fusible link touch any other wiring harness, vinyl
     or rubber parts.                                                        CKIT0163E



Circuit Breaker                                                                  AKS003I0


The PTC thermistor generates heat in response to current flow. The
temperature (and resistance) of the thermistor element varies with
current flow. Excessive current flow will cause the element's temper-
ature to rise. When the temperature reaches a specified level, the
electrical resistance will rise sharply to control the circuit current.
Reduced current flow will cause the element to cool. Resistance falls
accordingly and normal circuit current flow is allowed to resume.



                                                                             SEL109W




                                                      PG-16
      IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)

IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
                                                                                                                        PFP:284B7       A
System Description                                                                                                           AKS00A37


q  IPDM E/R (Intelligent Power Distribution Module Engine Room) integrates the relay box and fuse block                                 B
   which were originally placed in engine compartment. It controls integrated relay via IPDM E/R control cir-
   cuit.
q  IPDM E/R-integrated control circuit performs ON-OFF operation of relay, CAN communication control, oil
   pressure switch signal reception, etc.                                                                                               C
q  It controls operation of each electrical part via ECM, BCM and CAN communication lines.
CAUTION:
None of the IPDM E/R-integrated relays can be removed.                                                                                  D

SYSTEMS CONTROLLED BY IPDM E/R
1.     Lamp control                                                                                                                     E
       Using CAN communication line, it receives signal from BCM and controls the following lamps:



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