Nissan Pathfinder. Manual - part 742

PUSH-BUTTON IGNITION SWITCH ILLUMINATION CIRCUIT

INL-55

< DTC/CIRCUIT DIAGNOSIS >

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PUSH-BUTTON IGNITION SWITCH ILLUMINATION CIRCUIT

Description

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Provides the power supply and the ground to control the push-button ignition switch illumination.

Component Function Check

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1.

CHECK PUSH-BUTTON IGNITION SWITCH ILLUMINATION OPERATION

CONSULT 

1. Turn the ignition switch ON.

2. Select ENGINE SW ILLUMI of BCM (INTELLIGENT KEY) active test item.

3. While operating the test items, check that the push-button ignition switch illumination turns ON/OFF.

Does the push-button ignition switch illumination turn ON/OFF?

YES

>> Push-button ignition switch illumination circuit is normal.

NO

>> Refer to 

INL-55, "Diagnosis Procedure"

 .

Diagnosis Procedure

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Regarding Wiring Diagram information, refer to 

INL-26, "Wiring Diagram"

.

1.

CHECK PUSH-BUTTON IGNITION SWITCH ILLUMINATION OPERATION

CONSULT

1. Turn the ignition switch ON.

2. Select ENGINE SW ILLUMI of BCM (INTELLIGENT KEY) active test item.

3. While operating the test item, check voltage between push-button ignition switch connector M17 terminal

5 and ground.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> GO TO 2.

2.

CHECK PUSH-BUTTON IGNITION SWITCH ILLUMINATION POWER SUPPLY OPEN CIRCUIT

1. Turn the ignition switch OFF.

2. Disconnect BCM harness connector M19 and the push-button ignition switch harness connector M17.

3. Check continuity between BCM harness connector M19 terminal 48 and the push-button ignition switch

harness connector M17 terminal 5.

Is the inspection result normal?

YES

>> GO TO 3.

On

: Push-button ignition switch illumination ON

Off

: Push-button ignition switch illumination OFF

Terminals

Test item

Voltage

(Approx.)

(+)

(-)

Push-button ignition switch

Ground

ENGINE SW ILLUMI

Connector

Terminal

M17

5

ON

5 V

OFF

0 V

BCM

Push-button ignition switch

Continuity

Connector

Terminal

Connector

Terminal

M19

48

M17

5

Yes

INL-56

< DTC/CIRCUIT DIAGNOSIS >

PUSH-BUTTON IGNITION SWITCH ILLUMINATION CIRCUIT

NO

>> Repair or replace harness or connector.

3.

CHECK PUSH-BUTTON IGNITION SWITCH ILLUMINATION POWER SUPPLY SHORT CIRCUIT

Check continuity between BCM harness connector M19 terminal 48 and ground.

Is the inspection result normal?

YES

>> Replace BCM. Refer to 

BCS-80, "Removal and Installation"

.

NO

>> Repair or replace harness or connector.

4.

CHECK PUSH-BUTTON IGNITION SWITCH ILLUMINATION GROUND CIRCUIT

1. Turn the ignition switch OFF.

2. Disconnect push-button ignition switch harness connector M17.

3. Check continuity between push-button ignition switch harness connector M17 terminal 6 and ground.

Is the inspection result normal?

YES

>> Replace push-button ignition switch. Refer to 

SEC-145, "Removal and Installation"

.

NO

>> GO TO 5.

5.

CHECK PUSH-BUTTON IGNITION SWITCH ILLUMINATION GROUND OPEN CIRCUIT

1. Disconnect BCM harness connector M80.

2. Check continuity between BCM harness connector M80 terminal 107 and  push-button ignition switch har-

ness connector M17 terminal 6.

Is the inspection result normal?

YES

>> Replace BCM. Refer to 

BCS-80, "Removal and Installation"

. 

NO

>> Repair or replace harness or connectors.

BCM

Ground

Continuity

Connector

Terminal

M19

48

No

Push-button ignition switch

Ground

Continuity

Connector

Terminal

M17

6

Yes

Push-button ignition switch

BCM

Continuity

Connector

Terminal

Connector

Terminal

M17

6

M80

107

Yes

INTERIOR LIGHTING SYSTEM SYMPTOMS

INL-57

< SYMPTOM DIAGNOSIS >

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SYMPTOM DIAGNOSIS

INTERIOR LIGHTING SYSTEM SYMPTOMS

Symptom Table

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CAUTION:

Perform the self-diagnosis with CONSULT before the symptom diagnosis. Perform the trouble diagno-

sis if any DTC is detected.

Symptom

Possible cause

Inspection item

All the following lamps do not turn ON:
• Front room/map lamp
• Personal lamp 2nd row
• Foot lamp LH/RH (if equipped)
• Step lamp LH/RH (if equipped)
• Cargo  lamp 
• Vanity lamp LH/RH (if equipped)

• Harness between BCM and each 

interior room lamp

• BCM

Battery saver output/power supply 
circuit
Refer to 

INL-49

.

• 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-170

.

Interior room lamp control circuit
Refer to 

INL-51

.

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

—

Check the interior room lamp setting.
Refer to 

BCS-17

.

• Step lamps  (if equipped) and foot lamps  (if 

equipped) do not turn ON even though the door 
is open.

• Step lamps  (if equipped) and foot lamps  (if 

equipped) do not turn OFF even though the 
door is closed.

• Harness between BCM and each 

step lamp  (if equipped) or foot 
lamp  (if equipped)

• BCM

Door switch circuit
Refer to 

DLK-170

.

Step lamp circuit
Refer to 

INL-53

.

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-55

.

Interior room lamp battery saver does not acti-
vate.

BCM

Replace BCM.
Refer to 

BCS-80

.

INL-58

< REMOVAL AND INSTALLATION >

FRONT ROOM/MAP LAMP ASSEMBLY

REMOVAL AND INSTALLATION

FRONT ROOM/MAP LAMP ASSEMBLY

Exploded View

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Removal and Installation

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CAUTION:

Do not attempt to separate the front room/map lamp assembly from the headlining prior to removing

headlining, or damage to the components may occur.

REMOVAL

1. Remove the headlining. Refer to 

INT-27, "Removal and Installation"

.

2. Remove the bracket screws, then remove front room/map lamp

assembly bracket (1) from front room/map assembly (3) and

position aside.

3. Disconnect the harness connectors from front room/map lamp

assembly (3).

4. Release the front room/map lamp assembly back plate (2) metal

clips and remove from headlining. 

: Metal clip

5. Release the back plate pawls (A) using a suitable tool and

remove the front room/map lamp assembly (3). 

: Pawl

INSTALLATION

Installation is in the reverse order of removal.

CAUTION:

1.

Front room/map lamp assembly A.

LED

AWLIA2189ZZ

AWLIA2190ZZ