Infiniti F50. Manual — part 633

CAN SYSTEM (FOR ICC MODELS)

LAN-61

[CAN]

C

D

E

F

G

H

I

J

L

M

A

B

LAN

Component Inspection

EKS003M9

ECM/TCM INTERNAL CIRCUIT INSPECTION

●

Remove ECM and TCM from vehicle.

●

Check resistance between ECM terminals 174 and 171.

●

Check resistance between TCM terminals 6 and 7.

Unit

Terminal

Resistance value (

Ω

)

ECM

174 – 171

Approx. 108 - 132

TCM

6 – 7

PKIA0298E

LAN-62

[CAN]

CAN SYSTEM (FOR ICC MODELS)

LT-1

LIGHTING SYSTEM

K ELECTRICAL

CONTENTS

C

D

E

F

G

H

I

J

L

M

SECTION

A

B

LT

LIGHTING SYSTEM

PRECAUTIONS . . . . . . . . . . . . . . .. 4

Precautions for Supplemental Restraint System
(SRS) “AIR BAG” and “SEAT BELT PRE-TEN-
SIONER” . . . . . . . . . . . . . . . . .. 4
General Precautions for Service Operations . . . 4
Wiring Diagrams and Trouble Diagnosis . . . . .. 4

HEADLAMP (FOR USA) . . . . . . . . . . . 6

Component Parts and Harness Connector Location

. . 6

System Description . . . . . . . . . . . . .. 6

OUTLINE . . . . . . . . . . . . . . . ... 6
BATTERY SAVER CONTROL . . . . . . . .. 8
AUTO LIGHT OPERATION . . . . . . . . ... 8
VEHICLE SECURITY SYSTEM . . . . . . . 8
XENON HEADLAMP . . . . . . . . . . . . 8

Schematic . . . . . . . . . . . . . . . .. 10
Wiring Diagram — H/LAMP — . . . . . . . . 11
Terminals and Reference Value for Battery Saver
Control Unit . . . . . . . . . . . . . . . 17
Terminals and Reference Value for BCM . . . ... 18
Work Flow . . . . . . . . . . . . . . . .. 20
Preliminary Check . . . . . . . . . . . . .. 20

SETTING CHANGE FUNCTION FOR AUTO
LIGHT SYSTEM . . . . . . . . . . . . .. 20
INSPECTION FOR POWER SUPPLY AND
GROUND CIRCUIT . . . . . . . . . . . . 20

CONSULT-II Function for Auto Light System . . . 22

CONSULT-II BASIC OPERATION PROCEDURE

... 22

WORK SUPPORT . . . . . . . . . . . ... 23
DATA MONITOR . . . . . . . . . . . . . 23
ACTIVE TEST . . . . . . . . . . . . . . 23

On Board Diagnosis . . . . . . . . . . . ... 24

DIAGNOSIS ITEM . . . . . . . . . . . ... 24
SWITCH MONITOR . . . . . . . . . . . 24

Symptom Chart . . . . . . . . . . . . . .. 25

HEADLAMP SYSTEM . . . . . . . . . . . 25
AUTO LIGHT SYSTEM . . . . . . . . . ... 26

Lighting Switch (AUTO) System Check . . . . .. 27
Optical Sensor System Check . . . . . . . ... 28
Headlamp Relay System Check . . . . . . . 29

Tail Lamp Relay System Check . . . . . . . .. 30
Aiming Adjustment . . . . . . . . . . . . .. 31

LOW BEAM AND HIGH BEAM . . . . . . ... 31

Bulb Replacement . . . . . . . . . . . . .. 32

HEADLAMP (OUTER SIDE), FOR LOW BEAM ... 32
HEADLAMP (INNER SIDE), FOR HIGH BEAM ... 33
PARKING LAMP (CLEARANCE LAMP) . . . .. 33
FRONT TURN SIGNAL LAMP . . . . . . . 33
FRONT SIDE MARKER LAMP . . . . . . ... 33

Removal and Installation . . . . . . . . . . 34

REMOVAL . . . . . . . . . . . . . . ... 34
INSTALLATION . . . . . . . . . . . . ... 34

Disassembly and Assembly . . . . . . . . . 35

DISASSEMBLY . . . . . . . . . . . . ... 35
ASSEMBLY . . . . . . . . . . . . . . . 36

HEADLAMP (FOR CANADA) - DAYTIME LIGHT
SYSTEM - . . . . . . . . . . . . . . . . .. 37

Component Parts and Harness Connector Location

... 37

System Description . . . . . . . . . . . . . 37

HEADLAMP OPERATION . . . . . . . . ... 38
BATTERY SAVER CONTROL . . . . . . . . 39
AUTO LIGHT OPERATION . . . . . . . . . 39
DAYTIME LIGHT OPERATION . . . . . . ... 39
OPERATION . . . . . . . . . . . . . . 39

Schematic . . . . . . . . . . . . . . . ... 41
Wiring Diagram — DTRL — . . . . . . . . ... 42
Terminals and Reference Value for Daytime Light
Control Unit . . . . . . . . . . . . . . . . 51
Symptom Chart . . . . . . . . . . . . . ... 52
Aiming Adjustment . . . . . . . . . . . . .. 54
Bulb Replacement . . . . . . . . . . . . .. 54
Removal and Installation . . . . . . . . . . 54
Disassembly and Assembly . . . . . . . . . 54

HEADLAMP AIMING CONTROL . . . . . . . . 55

Wiring Diagram — H/AIM — . . . . . . . . ... 55
Removal and Installation . . . . . . . . . . 57
Switch Circuit Inspection . . . . . . . . . . 57

TURN SIGNAL AND HAZARD WARNING LAMPS ... 58

System Description . . . . . . . . . . . . . 58

TURN SIGNAL OPERATION . . . . . . . .. 58

LT-2

HAZARD LAMP OPERATION . . . . . . . . 58
MULTI-REMOTE CONTROL SYSTEM OPERA-
TION . . . . . . . . . . . . . . . . . 59
LOW TIRE PRESSURE WARNING CONTROL
SYSTEM . . . . . . . . . . . . . . . .. 59

Schematic . . . . . . . . . . . . . . . ... 60
Wiring Diagram — TURN — . . . . . . . . ... 61
Symptom Chart . . . . . . . . . . . . . ... 65
Electrical Components Inspection . . . . . . .. 66

COMBINATION FLASHER UNIT CHECK . . ... 66

Bulb Replacement . . . . . . . . . . . . .. 66

FRONT TURN SIGNAL LAMP . . . . . . . 66
REAR TURN SIGNAL LAMP . . . . . . . ... 66

Removal and Installation . . . . . . . . . . 66

FRONT TURN SIGNAL LAMP . . . . . . . 66
SIDE TURN SIGNAL LAMP . . . . . . . . 66
REAR TURN SIGNAL LAMP . . . . . . . ... 66

LIGHTING AND TURN SIGNAL SWITCH . . . . 67

Removal and Installation . . . . . . . . . . 67
Switch Circuit Inspection . . . . . . . . . . 67

HAZARD SWITCH . . . . . . . . . . . . . 68

Removal and Installation . . . . . . . . . . 68

STOP LAMP . . . . . . . . . . . . . . . .. 69

Wiring Diagram — STOP/L — . . . . . . . . 69
Bulb Replacement . . . . . . . . . . . . .. 70

STOP LAMP . . . . . . . . . . . . . . 70
HIGH-MOUNTED STOP LAMP . . . . . . ... 70

Removal and Installation . . . . . . . . . . 70

STOP LAMP . . . . . . . . . . . . . . 70
HIGH-MOUNTED STOP LAMP . . . . . . ... 70

BACK-UP LAMP . . . . . . . . . . . . . ... 71

Wiring Diagram — BACK/L — . . . . . . . . 71
Bulb Replacement . . . . . . . . . . . . .. 71
Removal and Installation . . . . . . . . . . 71

PARKING, LICENSE PLATE AND TAIL LAMPS . .. 72

System Description . . . . . . . . . . . . . 72

LIGHTING OPERATION BY LIGHTING SWITCH ... 72
BATTERY SAVER CONTROL . . . . . . . . 72

Schematic . . . . . . . . . . . . . . . ... 73
Wiring Diagram — TAIL/L — . . . . . . . . .. 74
Trouble Diagnoses . . . . . . . . . . . . .. 78
Bulb Replacement . . . . . . . . . . . . .. 79

LICENSE PLATE LAMP . . . . . . . . . .. 79
FRONT COMBINATION LAMP . . . . . . ... 79
REAR COMBINATION LAMP . . . . . . . .. 79

Removal and Installation . . . . . . . . . . 79

LICENSE PLATE LAMP . . . . . . . . . .. 79
FRONT COMBINATION LAMP . . . . . . ... 79
REAR COMBINATION LAMP . . . . . . . .. 80

INTERIOR ROOM LAMP . . . . . . . . . . .. 81

System Description . . . . . . . . . . . . . 81

OUTLINE . . . . . . . . . . . . . . . . 81
TIMER FUNCTION . . . . . . . . . . . .. 81
LAMP OUTPUT CONTROL FUNCTION . . . . 82
AUTO OFF FUNCTION . . . . . . . . . ... 82
LIGHTS ON/OFF MODES . . . . . . . . ... 82

Major Components and Their Functions . . . . . 84
Schematic . . . . . . . . . . . . . . . ... 85
Wiring Diagram — INT/L — . . . . . . . . . 86

Terminals and Reference Value for BCM . . . . 92
Terminals and Reference Value for Driver Door Con-
trol Unit (LCU01) . . . . . . . . . . . . . .93
Work Flow . . . . . . . . . . . . . . . ...93
Preliminary Check . . . . . . . . . . . . ...93

SETTING CHANGE FUNCTION . . . . . . .93
INSPECTION FOR POWER AND GROUND
CIRCUIT . . . . . . . . . . . . . . . ..94

CONSULT-II Function . . . . . . . . . . . .96

CONSULT-II BASIC OPERATION PROCEDURE

...96

WORK SUPPORT . . . . . . . . . . . ...97
DATA MONITOR . . . . . . . . . . . . ..97
ACTIVE TEST . . . . . . . . . . . . . ..97

On Board Diagnosis . . . . . . . . . . . . 98

DIAGNOSIS ITEM . . . . . . . . . . . ...98
SWITCH MONITOR . . . . . . . . . . . .98

Symptom Chart . . . . . . . . . . . . . ...99
Interior Lamp ILL Switch System Check . . . ...100
Personal Lamp Switch System Check . . . . ..102
Door Switch System Check . . . . . . . . ..103
Key Switch and Key Lock Solenoid System Check .105
Bulb Replacement . . . . . . . . . . . . .107

MAP LAMP (FRONT PERSONAL LIGHT) AND
CONSOLE LAMP (CONSOLE LIGHT) . . . ..107
PERSONAL LAMP (REAR PERSONAL LIGHT) .107

Removal and Installation . . . . . . . . . ...107

FRONT INTERIOR LAMP . . . . . . . . ..107
REAR INTERIOR LAMP . . . . . . . . . 107
IGNITION KEY HOLE ILLUMINATION . . . ..108

STEP LAMP . . . . . . . . . . . . . . . 109

Component Parts and Harness Connector Location .109
System Description . . . . . . . . . . . ... 110

POWER SUPPLY AND GROUND . . . . . . 110
OPERATING PROCEDURE . . . . . . . .. 110

Schematic . . . . . . . . . . . . . . . . 111
Wiring Diagram — STEP/L — . . . . . . . ... 112
Terminals and Reference Value for BCM . . . .. 118
Terminals and Reference Value for Driver Door Con-
trol Unit (LCU01) . . . . . . . . . . . . ... 118
Terminals and Reference Value for Passenger Door
Control Unit . . . . . . . . . . . . . . ... 119
Terminals and Reference Value for Rear LH, RH
Door Control Unit . . . . . . . . . . . . .. 119
Work Flow . . . . . . . . . . . . . . . . 119
Preliminary Check . . . . . . . . . . . . .120

INSPECTION FOR POWER SUPPLY AND
GROUND CIRCUIT . . . . . . . . . . ...120

CONSULT-II Function . . . . . . . . . . ...122

CONSULT-II BASIC OPERATION PROCEDURE

.122

DATA MONITOR . . . . . . . . . . . . 123
ACTIVE TEST . . . . . . . . . . . . . 123

On Board Diagnosis . . . . . . . . . . . ..124

DIAGNOSIS ITEM . . . . . . . . . . . .124
SWITCH MONITOR . . . . . . . . . . ...124

Symptom Chart . . . . . . . . . . . . . .125

DIAGNOSTIC PROCEDURE . . . . . . . .125