POWER SUPPLY, GROUND & CIRCUIT ELEMENTS
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POWER SUPPLY, GROUND & CIRCUIT ELEMENTS
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CONTENTS POWER SUPPLY ROUTING CIRCUIT ...................... 3 Schematic ................................................................ 3 Wiring Diagram — POWER — ................................. 4 BATTERY POWER SUPPLY — IGNITION SW. IN ANY POSITION ................................................ 4 ACCESSORY POWER SUPPLY — IGNITION SW. IN “ACC” OR “ON” ......................................... 9 IGNITION POWER SUPPLY — IGNITION SW. IN “ON” AND/OR “START” .................................. 10 Fuse ....................................................................... 16 Fusible Link ............................................................ 16 Circuit Breaker ....................................................... 16 IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM) ...................................... 17 System Description ................................................ 17 SYSTEMS CONTROLLED BY IPDM E/R ........... 17 CAN COMMUNICATION LINE CONTROL ......... 17 IPDM E/R STATUS CONTROL ........................... 18 CAN Communication System Description .............. 18 CAN Communication Unit ...................................... 18 Function of Detecting Ignition Relay Malfunction ... 18 CONSULT-II Function (IPDM E/R) ......................... 19 CONSULT-II INSPECTION PROCEDURE ......... 19 SELF-DIAG RESULTS ........................................ 19 DATA MONITOR ................................................. 19 ACTIVE TEST ..................................................... 21 Auto Active Test ..................................................... 21 DESCRIPTION .................................................... 21 OPERATION PROCEDURE ............................... 21 INSPECTION IN AUTO ACTIVE TEST MODE ... 22 Schematic .............................................................. 24 IPDM E/R Terminal Arrangement ........................... 25 IPDM E/R Power/Ground Circuit Inspection .......... 26 Inspection with CONSULT-II (Self-Diagnosis) ........ 27 Removal and Installation of IPDM E/R ................... 28 REMOVAL ........................................................... 28 INSTALLATION ................................................... 28
Revision: 2006 August
GROUND ................................................................... 29 Ground Distribution ................................................. 29 MAIN HARNESS ................................................. 29 ENGINE ROOM HARNESS ................................ 32 ENGINE CONTROL HARNESS .......................... 34 BODY HARNESS ................................................ 35 BODY NO. 2 HARNESS ..................................... 37 HARNESS ................................................................. 38 Harness Layout ...................................................... 38 HOW TO READ HARNESS LAYOUT ................. 38 OUTLINE ............................................................. 39 MAIN HARNESS ................................................. 40 ENGINE ROOM HARNESS ................................ 43 ENGINE CONTROL HARNESS .......................... 46 BODY HARNESS ................................................ 48 BODY NO. 2 HARNESS ..................................... 50 ROOM LAMP HARNESS .................................... 51 FRONT DOOR HARNESS .................................. 52 REAR DOOR HARNESS .................................... 53 BACK DOOR HARNESS .................................... 54 Wiring Diagram Codes (Cell Codes) ...................... 55 ELECTRICAL UNITS LOCATION ............................ 58 Electrical Units Location ......................................... 58 ENGINE COMPARTMENT .................................. 58 PASSENGER COMPARTMENT ......................... 59 LUGGAGE COMPARTMENT .............................. 61 HARNESS CONNECTOR ......................................... 62 Description .............................................................. 62 HARNESS CONNECTOR (TAB-LOCKING TYPE) .................................................................. 62 HARNESS CONNECTOR (SLIDE-LOCKING TYPE) .................................................................. 63 ELECTRICAL UNITS ................................................ 64 Terminal Arrangement ............................................ 64 SMJ (SUPER MULTIPLE JUNCTION) ..................... 66 Terminal Arrangement ............................................ 66 STANDARDIZED RELAY .......................................... 67 Description .............................................................. 67 NORMAL OPEN, NORMAL CLOSED AND
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2006 Murano
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