Infiniti QX56 (Z62). Manual - part 834

INL-66

< DTC/CIRCUIT DIAGNOSIS >

PUSH-BUTTON IGNITION SWITCH ILLUMINATION CIRCUIT

NO

>> Repair or replace harnesses.

4.

CHECK PUSH-BUTTON IGNITION SWITCH ILLUMINATION GROUND CIRCUIT-1

1.

Connect push-button ignition switch connector.

2.

Check voltage between BCM harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Replace BCM. Refer to 

BCS-81, "Removal and Installation"

.

5.

CHECK PUSH-BUTTON IGNITION SWITCH ILLUMINATION GROUND CIRCUIT-2

1.

Check continuity between push-button ignition switch harness connector and BCM harness connector.

2.

Check continuity between push-button ignition switch harness connector and ground.

Is the inspection result normal?

YES

>> Replace push-button ignition switch.

NO

>> Repair or replace harnesses.

(+)

(–)

Condition

Voltage

(Approx.)

BCM

Connector

Terminal

M71

92

Ground

Push-button ignition switch 
illumination

ON Condition

0 V

Push-button ignition switch

BCM

Continuity

Connector

Terminal

Connector

Terminal

M101

2

M71

92

Existed

Push-button ignition switch

Ground

Continuity

Connector

Terminal

M101

2

Not existed

INTERIOR LIGHTING SYSTEM SYMPTOMS

INL-67

< SYMPTOM DIAGNOSIS >

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SYMPTOM DIAGNOSIS

INTERIOR LIGHTING SYSTEM SYMPTOMS

Symptom Table

INFOID:0000000006216080

CAUTION:

Perform the self-diagnosis with CONSULT-III before the symptom diagnosis. Perform the trouble diag-
nosis if any DTC is detected.

Symptom

Possible cause

Inspection item

All the following lamps do not turn ON.
• Map  lamp
• Personal  lamp
• Vanity mirror lamp
• Foot  lamp
• Step  lamp
• Puddle lamp 
• Luggage room lamp
• Automatic back door close switch illumination

• Harness between BCM and each 

interior room lamp

• BCM

Interior room lamp power supply cir-
cuit
Refer to 

INL-56, "Component Func-

tion Check"

.

• Interior room lamp does not turn ON even 

though the door is open.
(It turns ON when turning the interior room 
lamp ON.)

• Interior room lamp does not turn OFF even 

though the door is closed.

• Harness between BCM and each 

door switch

• Harness between BCM and each 

interior room lamp

• BCM

Door switch circuit
Refer to 

DLK-117, 

"Component Function Check"

.

Interior room lamp control circuit
Refer to 

INL-58, "Component Func-

tion Check"

.

Interior room lamp timer does not activate.
(It turns ON/ OFF when the door opens/closes.)

—

Check the interior room lamp setting.
Refer to 

INL-14

.

• Puddle lamp does not turn ON even though the 

door is open.

• Puddle lamp does not turn OFF even though 

the door is closed.

• Harness between BCM and each 

door switch

• Harness between BCM and puddle 

lamp

• BCM

Door switch circuit
Refer to 

DLK-117, 

"Component Function Check"

.

Puddle lamp circuit
Refer to 

INL-64, "Diagnosis Proce-

dure"

.

• Luggage room lamp or automatic back door 

close switch illumination does not turn ON even 
though the back door is open.
(It turns ON when turning the luggage room 
lamp ON.)

• Luggage room lamp or automatic back door 

close switch illumination does not turn OFF 
even though the back door is closed.

• Harness between BCM and back 

door switch

• Harness between BCM and lug-

gage room lamp

• Harness between BCM and auto-

matic back door close switch

• BCM

Back door switch circuit
Refer to 

DLK-120, 

"Component Function Check"

.

Luggage room lamp circuit
Refer to 

INL-60, "Diagnosis Proce-

dure"

.

• Step lamps (ALL) do not turn ON.
• Step lamps (ALL) do not turn OFF.

• Harness between BCM and each 

step lamp

• BCM

Door switch circuit
Refer to 

DLK-117, 

"Component Function Check"

.

Step lamp circuit
Refer to 

INL-62

.

Push-button ignition switch illumination does not 
illuminate.

• Harness between BCM and push-

button ignition switch

• BCM

Push-button ignition switch illumina-
tion circuit
Refer to 

INL-65, "Component Func-

tion Check"

.

Interior room lamp battery saver does not acti-
vate.

BCM

Replace BCM.
Refer to 

BCS-81, "Removal and In-

stallation"

.

INL-68

< REMOVAL AND INSTALLATION >

MAP LAMP

REMOVAL AND INSTALLATION

MAP LAMP

Exploded View

INFOID:0000000006288640

Removal and Installation

INFOID:0000000006288641

Refer to 

INT-29, "Removal and Installation"

 for the map lamp assembly removal and installation.

Replacement

INFOID:0000000006288642

CAUTION:

• Disconnect the battery cable from negative terminal or remove the fuse.
• Never touch the glass of bulb directly by hand. Keep grease and other oily substaces away from it.

Never touch bulb by hand while it is lit or right after it is off.

• Never leave bulb out of lamp reflector for a long time because dust, moisture smoke, etc. may affect

the performance of lamp. When replacing bulb, be sure to replace it with a new one.

MAP LAMP BULB

1.

Insert any appropriate tool into the gap between the lens, and then remove the lens.

2.

Remove the bulb.

1.

Map lamp assembly

2.

Bulb

3.

Lens

: Pawl

JMLIA0539ZZ

VANITY MIRROR LAMP

INL-69

< REMOVAL AND INSTALLATION >

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VANITY MIRROR LAMP

Exploded View

INFOID:0000000006288643

Replacement

INFOID:0000000006288644

CAUTION:

• Disconnect the battery cable from negative terminal or remove the fuse.
• Never touch the glass of bulb directly by hand. Keep grease and other oily substaces away from it.

Never touch bulb by hand while it is lit or right after it is off.

• Never leave bulb out of lamp reflector for a long time because dust, moisture smoke, etc. may affect

the performance of lamp. When replacing bulb, be sure to replace it with a new one.

VANITY MIRROR LAMP BULB

1.

Insert any appropriate tool into the gap between the lens, and then remove the lens.

2.

Remove the bulb.

1.

Lens

2.

Bulb

: Pawl

JMLIA1048ZZ