Infiniti G37 Coupe. Manual - part 792

INL-2

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

47

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

47

Wiring Diagram - BCM -  .........................................

70

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

75

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

77

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

79

COMBINATION METER  ....................................

81

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

81

Wiring Diagram - METER -  .....................................

84

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

93

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

94

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

95

INTERIOR LIGHTING SYSTEM SYMPTOMS ...

95

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

95

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

96

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

96

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

96

Precaution for Battery Service  ................................

96

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

97

MAP LAMP  ........................................................

97

Exploded View  ........................................................

97

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

97

Replacement ...........................................................

97

VANITY MIRROR LAMP  ...................................

98

Exploded View  ........................................................

98

Replacement ...........................................................

98

CIGARETTE LIGHTER ILLUMINATION  ...........

99

Exploded View  ........................................................

99

Replacement ...........................................................

99

GLOVE BOX LAMP ..........................................

100

Exploded View  ......................................................

100

Replacement .........................................................

100

STEP LAMP ......................................................

101

Exploded View  ......................................................

101

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

101

Replacement .........................................................

101

TRUNK ROOM LAMP  ......................................

102

Exploded View  ......................................................

102

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

102

Replacement .........................................................

102

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

103

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

103

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

103

DIAGNOSIS AND REPAIR WORKFLOW

INL-3

< BASIC INSPECTION >

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BASIC INSPECTION

DIAGNOSIS AND REPAIR WORKFLOW

Work Flow

INFOID:0000000001604809

OVERALL SEQUENCE

DETAILED FLOW

1.

INTERVIEW FOR MALFUNCTION

Interview the symptom to the customer.

JPLIA0313GB

INL-4

< BASIC INSPECTION >

DIAGNOSIS AND REPAIR WORKFLOW

>> GO TO 2.

2.

SYMPTOM CHECK

Check the symptom from the customer's information.

>> GO TO 3.

3.

BASIC INSPECTION

Check the operation of each part. Check that any symptom occurs other than the interviewed symptom.

>> GO TO 4.

4.

SELF-DIAGNOSIS WITH CONSULT-III

Perform the self-diagnosis with CONSULT-III. Check that any DTC is detected.
Is any DTC detected?

YES

>> GO TO 5.

NO

>> GO TO 6.

5.

TROUBLE DIAGNOSIS BY DTC

Perform the trouble diagnosis for the detected DTC. Specify the malfunctioning part.

>> GO TO 9.

6.

FAIL-SAFE ACTIVATION CHECK

Check that the symptom is applied to the fail-safe activation.
Does the fail-safe activate?

YES

>> GO TO 7.

NO

>> GO TO 8.

7.

SYSTEM DIAGNOSIS

Perform the system diagnosis for the system that the fail-safe activates. Specify the malfunctioning part.

>> GO TO 9.

8.

SYMPTOM DIAGNOSIS

Perform the symptom diagnosis. Specify the malfunctioning part.

>> GO TO 9.

9.

MALFUNCTION PART REPAIR

Repair or replace the malfunctioning part.

>> GO TO 10.

10.

REPAIR CHECK (SELF-DIAGNOSIS WITH CONSULT-III)

Perform the self-diagnosis with CONSULT-III. Check that any DTC is not detected. Erase DTC if DTC is
detected before the repair. Check that DTC is not detected again.

Is any DTC detected?

YES

>> GO TO 5.

NO

>> GO TO 11.

11.

REPAIR CHECK (OPERATION CHECK)

Check the operation of each part.
Does it operate normally?

YES

>> INSPECTION END

NO

>> GO TO 3.

INTERIOR ROOM LAMP CONTROL SYSTEM

INL-5

< FUNCTION DIAGNOSIS >

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FUNCTION DIAGNOSIS

INTERIOR ROOM LAMP CONTROL SYSTEM

System Diagram

INFOID:0000000001604810

System Description

INFOID:0000000001604811

OUTLINE

• Interior room lamps* are controlled by interior room lamp timer control function of BCM. 

*: Map lamp (when map lamp switch is in DOOR position).

• Trunk room lamp is controlled by trunk room lamp control function of BCM.
• Step lamp is controlled by step lamp control function of BCM.
• Push-button ignition switch illumination is controlled by the push-button ignition switch illumination control

function of BCM.

INTERIOR ROOM LAMP TIMER CONTROL

Interior Room Lamp Timer Basic Operation

JSLIA0133GB

JPLIA0093GB