Nissan Xterra. Manual - part 378

EM-140

< SERVICE DATA AND SPECIFICATIONS (SDS) 

[VQ40DE]

SERVICE DATA AND SPECIFICATIONS (SDS)

Unit: mm (in)

*: Actual clearance

Items

Standard

Limit

Connecting rod bearing oil clearance

0.034 - 0.059 (0.0013 - 0.0023)*

0.070 (0.0028)

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

SYSTEM DESCRIPTION  ..............................

7

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

7

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

7

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

7

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

7

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

8

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

9

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

9

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

9

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

10

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

10

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

12

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

12

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

12

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

13

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

13

OFF-ROAD LAMPS  ...........................................

14

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

14

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

14

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

14

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

15

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

16

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

16

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

16

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

16

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

16

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

18

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

18

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

18

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

18

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

19

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

20

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

20

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

20

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

20

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

21

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

22

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

22

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

22

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

23

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

23

COMBINATION SWITCH READING SYSTEM 

...

24

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

24

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

24

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

27

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

28

COMMON ITEM  .........................................................

28

COMMON ITEM : CONSULT Function (BCM - 
COMMON ITEM)  .....................................................

28

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

28

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

29

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

30

FLASHER : CONSULT Function (BCM - FLASH-
ER) ..........................................................................

30

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

30

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

30

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

32

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

32

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

34

EXL-2

DTC/CIRCUIT DIAGNOSIS .........................

36

POWER SUPPLY AND GROUND CIRCUIT  .....

36

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

36

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

36

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

37

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

37

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

39

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

39

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

39

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

39

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

42

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

42

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

42

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

42

Component Inspection ............................................

45

DAYTIME LIGHT RELAY CIRCUIT ...................

46

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

46

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

46

Component Inspection ............................................

47

OFF-ROAD LAMPS SWITCH CIRCUIT  ............

48

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

48

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

48

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

48

OFF-ROAD LAMP COVER SENSOR CIR-
CUIT ...................................................................

50

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

50

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

50

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

50

OFF-ROAD LAMPS CIRCUIT  ...........................

53

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

53

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

53

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

53

Component Inspection ............................................

55

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

56

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

56

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

56

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

56

PARKING LAMP CIRCUIT  ................................

58

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

58

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

58

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

58

TURN SIGNAL LAMP CIRCUIT  ........................

61

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

61

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

61

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

61

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

64

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

64

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

64

ECU DIAGNOSIS INFORMATION .............

65

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

65

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

65

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

68

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

68

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

73

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

73

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

74

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

76

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

76

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

77

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

77

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

81

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

82

WIRING DIAGRAM  ....................................

83

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

83

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

83

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

87

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

87

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

95

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

95

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

102

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

102

OFF-ROAD LAMPS ..........................................

106

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

106

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

111

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

111

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

117

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

117

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

124

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

124

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

129

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

129

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

134

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

134

SYMPTOM DIAGNOSIS  ...........................

143

EXTERIOR LIGHTING SYSTEM SYMPTOMS ..

143

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

143

NORMAL OPERATING CONDITION ...............

146

EXL-3

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

146

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

147

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

147

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

147

DAYTIME LIGHT SYSTEM INOPERATIVE .....

148

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

148

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

148

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

149

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

149

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

149

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

150

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

150

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

150

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

151

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

151

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

151

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

152

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

152

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

152

Precaution for Work  ..............................................

152

PREPARATION .........................................

153

PREPARATION ................................................

153

Special Service Tool  .............................................

153

PERIODIC MAINTENANCE .......................

154

ADJUSTMENT AND INSPECTION ..................

154

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

154

HEADLAMP : Aiming Adjustment  .........................

154

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

155

FRONT FOG LAMP : Aiming Adjustment ..............

155

REMOVAL AND INSTALLATION .............

157

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

157

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

157

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

157

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

158

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

160

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

160

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

160

LIGHTING & TURN SIGNAL SWITCH  ...........

161

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

161

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

162

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

162

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

163

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

163

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

164

High-Mounted Stop Lamp ......................................

164

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

165

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

165

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

165

REAR COMBINATION LAMP .........................

166

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

166

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

166

OFF-ROAD LAMPS  ........................................

168

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

168

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

169

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

170

BULB SPECIFICATIONS ................................

170

Bulb Specifications  ................................................

170