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