Infiniti M35/M45 Y50. Manual — part 964

PG-1

POWER SUPPLY, GROUND & CIRCUIT ELEMENTS

K ELECTRICAL

CONTENTS

C

D

E

F

G

H

I

J

L

M

SECTION

PG

A

B

PG

POWER SUPPLY, GROUND & CIRCUIT ELEMENTS

POWER SUPPLY ROUTING CIRCUIT . . . . . .. 3

Schematic . . . . . . . . . . . . . . . . 3
Wiring Diagram — POWER — . . . . . . . . . 5

BATTERY POWER SUPPLY — IGNITION SW.
IN ANY POSITION . . . . . . . . . . . . 5
ACCESSORY POWER SUPPLY — IGNITION
SW. IN “ACC” OR “ON” . . . . . . . . . . 11
IGNITION POWER SUPPLY — IGNITION SW.
IN “ON” AND/OR “START” . . . . . . . . .. 12

Fuse . . . . . . . . . . . . . . . . . ... 17
Fusible Link . . . . . . . . . . . . . . . 17
Circuit Breaker . . . . . . . . . . . . . ... 17

IPDM E/R (INTELLIGENT POWER DISTRIBUTION
MODULE ENGINE ROOM) . . . . . . . . . .. 18

System Description . . . . . . . . . . . . 18

SYSTEMS CONTROLLED BY IPDM E/R . . ... 18
CAN COMMUNICATION LINE CONTROL . . . 18
IPDM E/R STATUS CONTROL . . . . . . ... 19

CAN Communication System Description . . . .. 19
CAN Communication Unit . . . . . . . . . .. 19
Function of Detecting Ignition Relay Malfunction ... 19
CONSULT-II Function (IPDM E/R) . . . . . . . 20

CONSULT-II BASIC OPERATION . . . . . ... 20
SELF-DIAG RESULTS . . . . . . . . . . 20
DATA MONITOR . . . . . . . . . . . . . 21
CAN DIAG SUPPORT MNTR . . . . . . . . 22
ACTIVE TEST . . . . . . . . . . . . . . 22

Auto Active Test . . . . . . . . . . . . . . 23

DESCRIPTION . . . . . . . . . . . . . 23
OPERATION PROCEDURE . . . . . . . ... 23
INSPECTION IN AUTO ACTIVE TEST MODE ... 24

Schematic . . . . . . . . . . . . . . . .. 27
IPDM E/R Terminal Arrangement . . . . . . ... 28
Check IPDM E/R Power Supply and Ground Circuit

... 29

Inspection with CONSULT-II (Self-Diagnosis) . . 30
Removal and Installation of IPDM E/R . . . . ... 31

REMOVAL . . . . . . . . . . . . . . ... 31
INSTALLATION . . . . . . . . . . . . ... 31

PDU (POWER DISTRIBUTION UNIT) . . . . . .. 32

Component Parts and Harness Connector Location

... 32

System Description . . . . . . . . . . . . . 32

PUSH-BUTTON IGNITION SWITCH OPERAT-
ING PROCEDURE . . . . . . . . . . . .. 32

Wiring Diagram — PDU — . . . . . . . . . . 34
Terminals and Reference Value for Intelligent Key
Unit . . . . . . . . . . . . . . . . . . . 36
Terminals and Reference Value for PDU . . . . 37
Work Flow . . . . . . . . . . . . . . . ... 37
Trouble Diagnosis Symptom Chart . . . . . . . 38
Check CAN Communication System . . . . . .. 38
Check PDU Power Supply and Ground Circuit . .. 39
Check Push-Button Ignition Switch (Ignition Switch)
System . . . . . . . . . . . . . . . . . 39
Check Push-Button Ignition Switch (Indicator Cir-
cuit) System . . . . . . . . . . . . . . . 41
PDU Communication Circuit System 1 . . . . ... 42
PDU Communication Circuit System 2 . . . . ... 43
Removal and Installation of PDU . . . . . . . 44

REMOVAL . . . . . . . . . . . . . . ... 44
INSTALLATION . . . . . . . . . . . . ... 44

GROUND . . . . . . . . . . . . . . . . ... 45

Ground Distribution . . . . . . . . . . . . . 45

MAIN HARNESS . . . . . . . . . . . . . 45
ENGINE ROOM HARNESS . . . . . . . . 50
ENGINE CONTROL HARNESS/VQ ENGINE
MODELS . . . . . . . . . . . . . . . . 54
ENGINE CONTROL HARNESS/VK ENGINE
MODELS . . . . . . . . . . . . . . . . 55
BODY HARNESS . . . . . . . . . . . . 56
BODY NO. 2 HARNESS . . . . . . . . . . 60

HARNESS . . . . . . . . . . . . . . . . . 62

Harness Layout . . . . . . . . . . . . . .. 62

HOW TO READ HARNESS LAYOUT . . . . . 62
OUTLINE . . . . . . . . . . . . . . . . 63
MAIN HARNESS . . . . . . . . . . . . . 64
NAVIGATION SUB-HARNESS & A/C HARNESS

... 69

ENGINE ROOM HARNESS . . . . . . . . 70
ENGINE CONTROL HARNESS (VQ ENGINE) ... 77
ENGINE CONTROL HARNESS (VK ENGINE) ... 80
BODY HARNESS . . . . . . . . . . . . 83

PG-2

BODY NO. 2 HARNESS . . . . . . . . . .. 87
TAIL HARNESS . . . . . . . . . . . . ... 91
ROOM LAMP HARNESS . . . . . . . . . 92
FRONT DOOR HARNESS . . . . . . . . .. 93
REAR DOOR HARNESS . . . . . . . . . 94

Wiring Diagram Codes (Cell Codes) . . . . . ... 95

ELECTRICAL UNITS LOCATION . . . . . . . . 98

Electrical Units Location . . . . . . . . . . . 98

ENGINE COMPARTMENT . . . . . . . . .. 98
PASSENGER COMPARTMENT . . . . . . 100
LUGGAGE COMPARTMENT . . . . . . . 103

HARNESS CONNECTOR . . . . . . . . . ... 104

Description . . . . . . . . . . . . . . . 104

HARNESS CONNECTOR (TAB-LOCKING
TYPE) . . . . . . . . . . . . . . . . 104
HARNESS CONNECTOR (SLIDE-LOCKING

TYPE) . . . . . . . . . . . . . . . . 105
HARNESS CONNECTOR (LEVER LOCKING
TYPE) . . . . . . . . . . . . . . . . 106

ELECTRICAL UNITS . . . . . . . . . . . ..107

Terminal Arrangement . . . . . . . . . . ...107

SMJ (SUPER MULTIPLE JUNCTION) . . . . . 109

Terminal Arrangement . . . . . . . . . . ...109

STANDARDIZED RELAY . . . . . . . . . . 112

Description . . . . . . . . . . . . . . . 112

NORMAL OPEN, NORMAL CLOSED AND
MIXED TYPE RELAYS . . . . . . . . . .. 112
TYPE OF STANDARDIZED RELAYS . . . . 112

FUSE BLOCK - JUNCTION BOX (J/B) . . . . .. 114

Terminal Arrangement . . . . . . . . . . ... 114

FUSE, FUSIBLE LINK AND RELAY BOX . . . .. 115

Terminal Arrangement . . . . . . . . . . ... 115

POWER SUPPLY ROUTING CIRCUIT

PG-3

C

D

E

F

G

H

I

J

L

M

A

B

PG

POWER SUPPLY ROUTING CIRCUIT

PFP:24110

Schematic

NKS004DX

TKWT5162E

PG-4

POWER SUPPLY ROUTING CIRCUIT

TKWT3565E