Infiniti QX56 (JA60). Manual — part 493

EXL-1

DRIVER CONTROLS

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SECTION

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CONTENTS

EXTERIOR LIGHTING SYSTEM

BASIC INSPECTION . . . . . . . . .

4

DIAGNOSIS AND REPAIR WORKFLOW . . ..

4

Work Flow . . . . . . . . . . . . . . . .....

4

FUNCTION DIAGNOSIS . . . . . . . ...

7

HEADLAMP . . . . . . . . . . . . . . .

7

System Diagram . . . . . . . . . . . . . ....

7

System Description . . . . . . . . . . . . ...

7

Component Parts Location . . . . . . . . . ....

7

Component Description . . . . . . . . . . .....

7

DAYTIME LIGHT SYSTEM . . . . . . . . .

9

System Diagram . . . . . . . . . . . . . ....

9

System Description . . . . . . . . . . . . ...

9

Component Parts Location . . . . . . . . . ....

9

Component Description . . . . . . . . . . ...

10

AUTO LIGHT SYSTEM . . . . . . . . . ..

11

System Diagram . . . . . . . . . . . . . ..

11

System Description . . . . . . . . . . . . .

11

Component Parts Location . . . . . . . . . ..

12

Component Description . . . . . . . . . . ...

12

HEADLAMP AIMING SYSTEM (MANUAL) . ...

13

System Diagram . . . . . . . . . . . . . ..

13

System Description . . . . . . . . . . . . .

13

Component Parts Location . . . . . . . . . ..

13

Component Description . . . . . . . . . . ...

13

FRONT FOG LAMP . . . . . . . . . . .

14

System Diagram . . . . . . . . . . . . . ..

14

System Description . . . . . . . . . . . . .

14

Component Parts Location . . . . . . . . . ..

14

Component Description . . . . . . . . . . ...

14

TURN SIGNAL AND HAZARD WARNING
LAMPS . . . . . . . . . . . . . . . ...

15

System Diagram . . . . . . . . . . . . . ..

15

System Description . . . . . . . . . . . . .

15

Component Parts Location . . . . . . . . . ..

15

Component Description . . . . . . . . . . ...

16

PARKING, LICENSE PLATE AND TAIL
LAMPS . . . . . . . . . . . . . . . ..

17

System Diagram . . . . . . . . . . . . . ..

17

System Description . . . . . . . . . . . . ..

17

Component Parts Location . . . . . . . . . ..

17

Component Description . . . . . . . . . . ...

18

DIAGNOSIS SYSTEM (BCM) . . . . . . ...

19

HEADLAMP . . . . . . . . . . . . . . . ...

19

HEADLAMP : CONSULT-III Function (BCM -
HEAD LAMP) . . . . . . . . . . . . . . ...

19

FLASHER . . . . . . . . . . . . . . . . ...

20

FLASHER : CONSULT-III Function (BCM -
FLASHER) . . . . . . . . . . . . . . . ...

20

COMB SW . . . . . . . . . . . . . . . . ..

20

COMB SW : CONSULT-III Function (BCM -
COMB SW) . . . . . . . . . . . . . . . ..

20

DIAGNOSIS SYSTEM (IPDM E/R) . . . . ...

22

Diagnosis Description . . . . . . . . . . . ..

22

CONSULT - III Function (IPDM E/R) . . . . . ...

24

COMPONENT DIAGNOSIS . . . . . . .

27

POWER SUPPLY AND GROUND CIRCUIT .

27

BCM (BODY CONTROL MODULE) . . . . . . ..

27

BCM (BODY CONTROL MODULE) : Diagnosis
Procedure . . . . . . . . . . . . . . . .

27

IPDM E/R (INTELLIGENT POWER DISTRIBU-
TION MODULE ENGINE ROOM) . . . . . . . ..

28

IPDM E/R (INTELLIGENT POWER DISTRIBU-
TION MODULE ENGINE ROOM) : Diagnosis Pro-
cedure . . . . . . . . . . . . . . . . . ..

28

HEADLAMP (HI) CIRCUIT . . . . . . . .

30

Description . . . . . . . . . . . . . . . ...

30

EXL-2

Component Function Check . . . . . . . . ...

30

Diagnosis Procedure - Without Daytime Light Sys-
tem . . . . . . . . . . . . . . . . . . ..

30

Diagnosis Procedure - With Daytime Light System

...

31

HEADLAMP (LO) CIRCUIT . . . . . . . ...

33

Description . . . . . . . . . . . . . . . ..

33

Component Function Check . . . . . . . . ...

33

Diagnosis Procedure - Without Daytime Light Sys-
tem . . . . . . . . . . . . . . . . . . ..

33

Diagnosis Procedure - With Daytime Light System

...

34

FRONT FOG LAMP CIRCUIT . . . . . . ...

36

Description . . . . . . . . . . . . . . . ..

36

Component Function Check . . . . . . . . ...

36

Diagnosis Procedure . . . . . . . . . . . ..

36

PARKING LAMP CIRCUIT . . . . . . . .

38

Description . . . . . . . . . . . . . . . ..

38

Component Function Check . . . . . . . . ...

38

Diagnosis Procedure - Without Daytime Light Sys-
tem . . . . . . . . . . . . . . . . . . ..

38

Diagnosis Procedure - With Daytime Light System

...

41

TURN SIGNAL LAMP CIRCUIT . . . . . .

44

Description . . . . . . . . . . . . . . . ..

44

Component Function Check . . . . . . . . ...

44

Diagnosis Procedure . . . . . . . . . . . ..

44

OPTICAL SENSOR . . . . . . . . . . ...

47

Description . . . . . . . . . . . . . . . ..

47

Component Function Check . . . . . . . . ...

47

Diagnosis Procedure . . . . . . . . . . . ..

47

HEADLAMP AIMING SWITCH . . . . . . ..

49

Description . . . . . . . . . . . . . . . ..

49

Diagnosis Procedure - Without Daytime Light Sys-
tem . . . . . . . . . . . . . . . . . . ..

49

Diagnosis Procedure - With Daytime Light System

...

50

HEADLAMP . . . . . . . . . . . . . ...

52

Wiring Diagram . . . . . . . . . . . . . ...

52

DAYTIME LIGHT SYSTEM . . . . . . . .

56

Wiring Diagram . . . . . . . . . . . . . ...

56

AUTO LIGHT SYSTEM . . . . . . . . . ..

62

Wiring Diagram . . . . . . . . . . . . . ...

62

HEADLAMP AIMING SYSTEM (MANUAL) . ..

69

Wiring Diagram . . . . . . . . . . . . . ...

69

FRONT FOG LAMP SYSTEM . . . . . . ...

73

Wiring Diagram . . . . . . . . . . . . . ...

73

TURN SIGNAL AND HAZARD WARNING
LAMP SYSTEM . . . . . . . . . . . . .

77

Wiring Diagram . . . . . . . . . . . . . ...

77

PARKING, LICENSE PLATE AND TAIL
LAMPS SYSTEM . . . . . . . . . . . ...

84

Wiring Diagram . . . . . . . . . . . . . ...

84

STOP LAMP . . . . . . . . . . . . . ..

91

Wiring Diagram . . . . . . . . . . . . . ...

91

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

95

Wiring Diagram . . . . . . . . . . . . . ...

95

TRAILER TOW . . . . . . . . . . . . .

100

Wiring Diagram . . . . . . . . . . . . . .

100

ECU DIAGNOSIS . . . . . . . . . ..

106

BCM (BODY CONTROL MODULE) . . . . .

106

Reference Value . . . . . . . . . . . . ...

106

Terminal Layout . . . . . . . . . . . . .

109

Physical Values . . . . . . . . . . . . . .

109

Wiring Diagram . . . . . . . . . . . . . .

115

Fail Safe . . . . . . . . . . . . . . . ...

119

DTC Inspection Priority Chart . . . . . . . .

120

DTC Index . . . . . . . . . . . . . . .

120

IPDM E/R (INTELLIGENT POWER DISTRI-
BUTION MODULE ENGINE ROOM) . . . .

122

Reference Value . . . . . . . . . . . . ...

122

Terminal Layout . . . . . . . . . . . . .

124

Physical Values . . . . . . . . . . . . . .

125

Wiring Diagram . . . . . . . . . . . . . .

130

Fail Safe . . . . . . . . . . . . . . . ...

133

DTC Index . . . . . . . . . . . . . . .

135

SYMPTOM DIAGNOSIS . . . . . . ...

136

EXTERIOR LIGHTING SYSTEM SYMPTOMS ..

136

Symptom Table . . . . . . . . . . . . . .

136

NORMAL OPERATING CONDITION . . . ...

138

Description . . . . . . . . . . . . . . .

138

BOTH SIDE HEADLAMPS DO NOT SWITCH
TO HIGH BEAM . . . . . . . . . . . .

139

Description . . . . . . . . . . . . . . .

139

Diagnosis Procedure . . . . . . . . . . . .

139

BOTH SIDE HEADLAMPS (LO) ARE NOT
TURNED ON . . . . . . . . . . . . . .

140

Description . . . . . . . . . . . . . . .

140

Diagnosis Procedure . . . . . . . . . . . .

140

PARKING, LICENSE PLATE AND TAIL
LAMPS ARE NOT TURNED ON . . . . . ..

141

Description . . . . . . . . . . . . . . .

141

Diagnosis Procedure . . . . . . . . . . . .

141

BOTH SIDE FRONT FOG LAMPS ARE NOT
TURNED ON . . . . . . . . . . . . . .

142

Description . . . . . . . . . . . . . . .

142

Diagnosis Procedure . . . . . . . . . . . .

142

EXL-3

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PRECAUTION . . . . . . . . . . .

143

PRECAUTIONS . . . . . . . . . . . .

143

Precaution for Supplemental Restraint System
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" . . . . . . . . . . . . . . . ...

143

Precaution Necessary for Steering Wheel Rota-
tion After Battery Disconnect . . . . . . . . .

143

General precautions for service operations . . ..

144

ON-VEHICLE REPAIR . . . . . . . ...

145

ADJUSTMENT AND INSPECTION . . . . ..

145

HEADLAMP . . . . . . . . . . . . . . . .

145

HEADLAMP : Aiming Adjustment . . . . . . .

145

FRONT FOG LAMP . . . . . . . . . . . . .

146

FRONT FOG LAMP : Aiming Adjustment . . . .

146

REMOVAL AND INSTALLATION . . . .

148

HEADLAMP . . . . . . . . . . . . . ..

148

Bulb Replacement . . . . . . . . . . . . .

148

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

149

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

149

AUTO LIGHT SYSTEM . . . . . . . . .

151

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

151

FRONT FOG LAMP . . . . . . . . . .

152

Bulb Replacement . . . . . . . . . . . . .

152

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

152

LIGHTING & TURN SIGNAL SWITCH . . ...

154

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

154

HAZARD SWITCH . . . . . . . . . . ..

155

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

155

LICENSE PLATE LAMP . . . . . . . . .

156

Bulb Replacement . . . . . . . . . . . . .

156

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

156

STOP LAMP . . . . . . . . . . . . .

157

Bulb Replacement . . . . . . . . . . . . .

157

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

157

REAR COMBINATION LAMP . . . . . . .

158

Bulb Replacement . . . . . . . . . . . . .

158

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

158

SERVICE DATA AND SPECIFICATIONS
(SDS) . . . . . . . . . . . . . . ..

159

BULB SPECIFICATIONS . . . . . . . .

159

Headlamp . . . . . . . . . . . . . . . ..

159

Exterior Lamp . . . . . . . . . . . . . .

159

EXL-4

< BASIC INSPECTION >

DIAGNOSIS AND REPAIR WORKFLOW

BASIC INSPECTION

DIAGNOSIS AND REPAIR WORKFLOW

Work Flow

INFOID:0000000005146603

OVERALL SEQUENCE

AWLIA1661GB