Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Infiniti G35 2003-2005 Coupe Sedan Approved Infiniti G35 Sedan 2003 pg

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POWER SUPPLY, GROUND & CIRCUIT ELEMENTS


K ELECTRICAL

                                                                                                                                                                   A


                                                                                                                                                                   B
                                                                                                   SECTION
   POWER SUPPLY, GROUND & CIRCUIT ELEMENTS                                                                                                                         C


                                                                                                                                                                   D


                                                                                                                                                                   E
                                                                   CONTENTS
POWER SUPPLY ROUTING CIRCUIT ..................... 3                      .           (FROM SERIAL 329288*) .................................. 35         .        F
  Schematic ............................................................... 3
                                                                          .           ENGINE CONTROL HARNESS/M/T MODELS... 36
  Wiring Diagram - POWER - .................................... 4         .           BODY HARNESS ............................................... 37     .
    BATTERY POWER SUPPLY - IGNITION SW. IN                                         HARNESS ................................................................ 40
                                                                                                                                                          .        G
    ANY POSITION .................................................... 4   .         Harness Layout ..................................................... 40
                                                                                                                                                          .
    ACCESSORY POWER SUPPLY - IGNITION SW.                                             HOW TO READ HARNESS LAYOUT ................ 40                      .
    IN "ACC" OR "ON" ............................................... 9    .           OUTLINE ............................................................ 41
                                                                                                                                                          .
                                                                                                                                                                   H
    IGNITION POWER SUPPLY - IGNITION SW. IN                                           MAIN HARNESS ................................................ 42    .
    "ON" AND/OR "START" ...................................... 10         .           ENGINE ROOM HARNESS ............................... 45              .
  Fuse ...................................................................... 15
                                                                          .           ENGINE CONTROL HARNESS ......................... 49                 .
  Fusible Link ........................................................... 15
                                                                          .           BODY HARNESS ............................................... 51     .         I
  Circuit Breaker ...................................................... 15
                                                                          .           BODY NO.2 HARNESS ..................................... 54          .
IPDM E/R (INTELLIGENT POWER DISTRIBUTION                                              ROOM LAMP HARNESS ................................... 55            .
MODULE ENGINE ROOM) ..................................... 16              .           FRONT DOOR HARNESS ................................. 56             .        J
  System Description ............................................... 16   .           REAR DOOR HARNESS ................................... 57            .
    SYSTEMS CONTROLLED BY IPDM E/R .......... 16                          .         Wiring Diagram Codes (Cell Codes) ..................... 58            .
    CAN COMMUNICATION LINE CONTROL ........ 16                            .        ELECTRICAL UNITS LOCATION ........................... 62               .
                                                                                                                                                                   PG
    IPDM E/R STATUS CONTROL .......................... 17                 .         Electrical Units Location ........................................ 62 .
  CAN Communication Unit ..................................... 17         .           ENGINE COMPARTMENT ................................. 62             .
    TYPE 1/TYPE 3 ................................................. 17    .           PASSENGER COMPARTMENT ........................ 63                   .
    TYPE 2 ............................................................... 19
                                                                          .           LUGGAGE COMPARTMENT ............................. 65                .        L
  Function of Detecting Ignition Relay Malfunction ... 20                          HARNESS CONNECTOR ........................................ 66          .
  Auto Active Test .................................................... 21.         Description ............................................................. 66
                                                                                                                                                          .
    DESCRIPTION ................................................... 21    .           HARNESS CONNECTOR (TAB-LOCKING                                               M
    OPERATION PROCEDURE .............................. 21                 .           TYPE) ................................................................. 66
                                                                                                                                                          .
    INSPECTION IN AUTO ACTIVE TEST MODE ... 21                                        HARNESS CONNECTOR (SLIDE-LOCKING
  Schematic ............................................................. 23
                                                                          .           TYPE) ................................................................. 67
                                                                                                                                                          .
  IPDM E/R Terminal Arrangement .......................... 24             .        JOINT CONNECTOR (J/C) ...................................... 68        .
  IPDM E/R Terminal Inspection .............................. 25          .         Terminal Arrangement ........................................... 68   .
  IPDM E/R Power/Ground Circuit Inspection ......... 26                   .        ELECTRICAL UNITS ............................................... 69    .
  Removal and Installation of IPDM E/R .................. 27              .         Terminal Arrangement ........................................... 69   .
GROUND ................................................................. 28
                                                                          .        SMJ (SUPER MULTIPLE JUNCTION) .................... 71                  .
  Ground Distribution ............................................... 28  .         Terminal Arrangement ........................................... 71   .
    MAIN HARNESS ................................................ 28      .        STANDARDIZED RELAY ......................................... 73        .
    ENGINE ROOM HARNESS ............................... 32                .         Description ............................................................. 73
                                                                                                                                                          .
    ENGINE CONTROL HARNESS/WITH A/T (UP                                               NORMAL OPEN, NORMAL CLOSED AND
    TO SERIAL 329287*) ......................................... 34       .           MIXED TYPE RELAYS ....................................... 73        .
    ENGINE CONTROL HARNESS/WITH A/T                                                   TYPE OF STANDARDIZED RELAYS ................ 73                     .
                                                                                   FUSE BLOCK - JUNCTION BOX (J/B) ................... 75                 .
                                                                                    Terminal Arrangement ........................................... 75   .


Revision; 2004 April                                                         PG-1                                                       2003 G35 Sedan
FUSE, FUSIBLE LINK AND RELAY BOX ............... 76           .
 Terminal Arrangement ........................................... 76
                                                              .




Revision; 2004 April                                              PG-2   2003 G35 Sedan
                       POWER SUPPLY ROUTING CIRCUIT

POWER SUPPLY ROUTING CIRCUIT                                PFP:24110
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Schematic                                                        AKS000CM




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Revision; 2004 April               PG-3               2003 G35 Sedan
                       POWER SUPPLY ROUTING CIRCUIT

Wiring Diagram - POWER -                                         AKS000CN

BATTERY POWER SUPPLY - IGNITION SW. IN ANY POSITION




                                                           TKWT0972E




Revision; 2004 April                PG-4              2003 G35 Sedan
                       POWER SUPPLY ROUTING CIRCUIT


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                                                           TKWT0973E




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                       POWER SUPPLY ROUTING CIRCUIT




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                       POWER SUPPLY ROUTING CIRCUIT




                                                           TKWT0974E




Revision; 2004 April               PG-8               2003 G35 Sedan
                       POWER SUPPLY ROUTING CIRCUIT

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

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




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Revision; 2004 April                PG-10                     2003 G35 Sedan
                       POWER SUPPLY ROUTING CIRCUIT


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                                                           TKWT0977E




Revision; 2004 April              PG-11               2003 G35 Sedan
                       POWER SUPPLY ROUTING CIRCUIT




                                                           TKWT1043E




Revision; 2004 April              PG-12               2003 G35 Sedan
                       POWER SUPPLY ROUTING CIRCUIT


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                                                           TKWT0979E




Revision; 2004 April              PG-13               2003 G35 Sedan
                       POWER SUPPLY ROUTING CIRCUIT




                                                           TKWT1044E




Revision; 2004 April              PG-14               2003 G35 Sedan
                               POWER SUPPLY ROUTING CIRCUIT

Fuse                                                                                    AKS000I8

                                                                                                   A
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.                                                                                   B
q   Do not partially install fuse; always insert it into fuse holder prop-
    erly.
                                                                                                   C
q   Remove fuse for "ELECTRICAL PARTS (BAT)" if vehicle is not
    used for a long period of time.

                                                                                                   D
                                                                                    CEL083


Fusible Link                                                                            AKS000I9

                                                                                                   E
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:                                                                                           F
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-                                  G
     dent.
q    Never wrap outside of fusible link with vinyl tape. Important:
     Never let fusible link touch any other wiring harness, vinyl                                  H
     or rubber parts.                                                               CKIT0163E



Circuit Breaker                                                                        AKS000IA


The PTC thermistor generates heat in response to current flow. The                                  I
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                                 J
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.
                                                                                                   PG


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                                                                                    SEL109W




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Revision; 2004 April                                  PG-15                  2003 G35 Sedan
      IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)

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

System Description                                                                                                         AKS000I0


q  IPDM E/R (Intelligent Power Distribution Module Engine Room) integrates the relay box and fuse block
   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.
q  It controls operation of each electrical part via BCM and CAN communication lines.
CAUTION:
None of the IPDM E/R-integrated relays can be removed.

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



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