Infiniti F50. Manual — part 684

PG-1

POWER SUPPLY, GROUND & CIRCUIT ELEMENTS

K ELECTRICAL

CONTENTS

C

D

E

F

G

H

I

J

L

M

SECTION

A

B

PG

POWER SUPPLY, GROUND & CIRCUIT ELEMENTS

POWER SUPPLY ROUTING . . . . . . . . . .. 2

Schematic . . . . . . . . . . . . . . . . 2
Wiring Diagram — POWER — . . . . . . . . . 3

BATTERY POWER SUPPLY— IGNITION SW. IN
ANY POSITION . . . . . . . . . . . . . . 3
ACCESSORY POWER SUPPLY — IGNITION
SW. IN “ACC” OR “ON” . . . . . . . . . . . 7
IGNITION POWER SUPPLY — IGNITION SW.
IN “ON” AND/OR “START” . . . . . . . . . 9

GROUND . . . . . . . . . . . . . . . . .. 13

Ground Distribution . . . . . . . . . . . . 13

MAIN HARNESS . . . . . . . . . . . . . 13
ENGINE ROOM HARNESS . . . . . . . . 16
ENGINE HARNESS . . . . . . . . . . . 19
ENGINE CONTROL HARNESS . . . . . . . 20
BODY HARNESS . . . . . . . . . . . . 22
BODY NO.2 HARNESS . . . . . . . . . .. 24

HARNESS . . . . . . . . . . . . . . . . . 27

Harness Layout . . . . . . . . . . . . . .. 27

HOW TO READ HARNESS LAYOUT . . . . . 27
OUTLINE . . . . . . . . . . . . . . . . 28
MAIN HARNESS . . . . . . . . . . . . . 29
ENGINE ROOM HARNESS . . . . . . . . 32
ENGINE HARNESS . . . . . . . . . . . 35
ENGINE CONTROL HARNESS . . . . . . . 36
BODY HARNESS AND REAR CONTROL HAR-
NESS . . . . . . . . . . . . . . . . .. 38
BODY NO. 2 HARNESS . . . . . . . . . . 40
ROOM LAMP HARNESS . . . . . . . . . 42
FRONT DOOR HARNESS . . . . . . . . .. 43
REAR DOOR HARNESS . . . . . . . . . 44

Wiring Diagram Codes (Cell Codes) . . . . . .. 45

ELECTRICAL UNITS LOCATION . . . . . . . 49

Electrical Units Location . . . . . . . . . . . 49

ENGINE COMPARTMENT . . . . . . . . .. 50
PASSENGER COMPARTMENT . . . . . . . 51
LUGGAGE COMPARTMENT . . . . . . . .. 54

Fuse . . . . . . . . . . . . . . . . . . 55
Fusible Link . . . . . . . . . . . . . . . 55
Circuit Breaker . . . . . . . . . . . . . . 55

HARNESS CONNECTOR . . . . . . . . . . . 56

Description . . . . . . . . . . . . . . . .. 56

HARNESS CONNECTOR (TAB-LOCKING
TYPE) . . . . . . . . . . . . . . . . .. 56
HARNESS CONNECTOR (SLIDE-LOCKING
TYPE) . . . . . . . . . . . . . . . . .. 57

JOINT CONNECTOR (J/C) . . . . . . . . . ... 58

Terminal Arrangement . . . . . . . . . . . 58

ELECTRICAL UNITS . . . . . . . . . . . . 59

Terminal Arrangement . . . . . . . . . . . 59

SMJ (SUPER MULTIPLE JUNCTION) . . . . . . 61

Terminal Arrangement . . . . . . . . . . . 61

STANDARDIZED RELAY . . . . . . . . . . .. 64

Description . . . . . . . . . . . . . . . .. 64

NORMAL OPEN, NORMAL CLOSED AND
MIXED TYPE RELAYS . . . . . . . . . . 64
TYPE OF STANDARDIZED RELAYS . . . . . 64

FUSE BLOCK - JUNCTION BOX (J/B) NO.1 . . .. 66

Terminal Arrangement . . . . . . . . . . . 66

FUSE BLOCK - JUNCTION BOX (J/B) NO.2 . . .. 67

Terminal Arrangement . . . . . . . . . . . 67

FUSE, FUSIBLE LINK AND RELAY BLOCK (J/B) ... 68

Terminal Arrangement . . . . . . . . . . . 68

FUSE, FUSIBLE LINK AND RELAY BOX . . . . 69

Terminal Arrangement . . . . . . . . . . . 69

PG-2

POWER SUPPLY ROUTING

POWER SUPPLY ROUTING

PFP:00011

Schematic

EKS000DP

TKWM0741E

POWER SUPPLY ROUTING

PG-3

C

D

E

F

G

H

I

J

L

M

A

B

PG

Wiring Diagram — POWER —

EKS000DQ

BATTERY POWER SUPPLY— IGNITION SW. IN ANY POSITION

TKWM0355E

PG-4

POWER SUPPLY ROUTING

TKWM0356E