Nissan Quest E52. Manual - part 794

INL-56

< DTC/CIRCUIT DIAGNOSIS >

INTERIOR ROOM LAMP POWER SUPPLY CIRCUIT

DTC/CIRCUIT DIAGNOSIS

INTERIOR ROOM LAMP POWER SUPPLY CIRCUIT

Component Function Check

INFOID:0000000009653481

1.

CHECK INTERIOR ROOM LAMP POWER SUPPLY FUNCTION

CONSULT ACTIVE TEST

1.

Turn ignition switch ON.

2.

Turn each interior room lamp ON.

-

Personal lamp

-

Map lamp

-

Luggage room lamp

-

Automatic back door close switch illumination

-

Step lamp

-

Vanity mirror lamp

3.

Select “BATTERY SAVER” of BCM (BATTERY SAVER) active test item.

4.

 With operating the test items, check that each interior room lamp turns ON/OFF.

Does the interior room lamp turn ON/OFF?

YES

>> Interior room lamp power supply circuit is normal.

NO

>> Refer to 

INL-56, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000009653482

1.

CHECK INTERIOR ROOM LAMP POWER SUPPLY OUTPUT

CONSULT ACTIVE TEST

1.

Turn ignition switch OFF.

2.

Disconnect the following connectors.

-

Personal lamp(ALL)

-

Map lamp

-

Luggage room lamp

-

Automatic back door close switch

-

Step lamp (both sides)

-

Vanity mirror lamp (both sides)

3.

Turn ignition switch ON.

4.

Select “BATTERY SAVER” of BCM (BATTERY SAVER) active test item.

5.

With operating the test item, check voltage between BCM harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> GO TO 3.

2.

CHECK INTERIOR ROOM LAMP POWER SUPPLY OPEN CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect the BCM connector.

3.

Check continuity between BCM harness connector and each interior room lamp harness connector.

Off

: Interior room lamp OFF

On

: Interior room lamp ON

BCM

(–)

Test item

Voltage

(Approx.)

(+)

Connector

Terminal

M123

56

Ground

BATTERY SAVER

Off

0 V

On

12 V

INTERIOR ROOM LAMP POWER SUPPLY CIRCUIT

INL-57

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

F

G

H

I

J

K

M

A

B

INL

N

O

P

Is the inspection result normal?

YES

>> Check for internal short circuit of each interior room lamp.

NO

>> Repair or replace harnesses.

3.

CHECK INTERIOR ROOM LAMP POWER SUPPLY SHORT CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect the BCM connector.

3.

Check continuity between BCM harness connector and ground.

Is the inspection result normal?

YES

>> Replace BCM. Refer to 

BCS-98, "Removal and Installation"

.

NO

>> Repair or replace harnesses.

BCM

Each interior room lamp

Continuity

Connector

Terminal

Connector

Terminal

M123

56

Map lamp

R109

6

Existed

Second personal lamp LH

R18

1

Second personal lamp RH

R17

1

Third personal lamp LH

R28

1

Third personal lamp RH

R27

1

Luggage room lamp

B51

1

Automatic back door close switch 

D169

3

Step lamp
(driver side)

D51

1

Step lamp
(passenger side)

D17

1

Vanity mirror lamp LH

R24

1

Vanity mirror lamp RH

R10

1

BCM

Ground

Continuity

Connector

Terminal

M123

56

Not existed

INL-58

< DTC/CIRCUIT DIAGNOSIS >

INTERIOR ROOM LAMP CONTROL CIRCUIT

INTERIOR ROOM LAMP CONTROL CIRCUIT

Component Function Check

INFOID:0000000009653483

CAUTION:

 Before performing the diagnosis, check that the following are normal.
• Interior room lamp power supply
• Map lamp bulb
• Personal lamp bulb

1.

CHECK INTERIOR ROOM LAMP CONTROL FUNCTION

CONSULT ACTIVE TEST

1.

Switch the map lamp switch and personal lamp switch to DOOR.

2.

Turn ignition switch ON.

3.

Select “INT LAMP” of BCM (INT LAMP) active test item.

4.

With operating the test items, check that each interior room lamp turns ON/OFF (gradual brightening/dim-
ming).

Does the interior room lamp turns ON/OFF (gradual brightening/dimming)?

YES

>> Interior room lamp control circuit is normal.

NO

>> Refer to 

INL-58, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000009653484

1.

CHECK INTERIOR ROOM LAMP CONTROL OUTPUT

CONSULT ACTIVE TEST

1.

Switch the map lamp switch and personal lamp switch to DOOR.

2.

Turn ignition switch OFF.

3.

Remove all the bulbs of map lamp and personal lamp.

4.

Turn ignition switch ON.

5.

Select “INT LAMP” of BCM (INT LAMP) active test item.

6.

 With operating the test item, check continuity between BCM harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 2.

Fixed ON>>GO TO 3.
Fixed OFF>>Replace BCM. Refer to 

BCS-98, "Removal and Installation"

.

2.

CHECK INTERIOR ROOM LAMP CONTROL OPEN CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect BCM connector, map lamp connector and personal lamp connector.

3.

Check continuity between BCM harness connector and map lamp harness connector.

4.

Check continuity between personal lamp harness connector and map lamp harness connector.

On

: Interior room lamp gradual brightening

Off

: Interior room lamp gradual dimming

BCM

Ground

Test item

Continuity

Connector

Terminal

M123

63

INT LAMP

On

Existed

Off

Not existed

BCM

Map lamp

Continuity

Connector

Terminal

Connector

Terminal

M123

63

R109

5

Existed

INTERIOR ROOM LAMP CONTROL CIRCUIT

INL-59

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

F

G

H

I

J

K

M

A

B

INL

N

O

P

Is the inspection result normal?

YES

>> Replace map lamp or personal lamp.

NO

>> Repair or replace harnesses.

3.

CHECK INTERIOR ROOM LAMP CONTROL SHORT CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect BCM connector, map lamp connector and personal lamp connector.

3.

Check continuity between BCM harness connector and ground.

4.

Check continuity between map lamp harness connector and ground.

Is the inspection result normal?

YES

>> Replace BCM. Refer to 

BCS-98, "Removal and Installation"

.

NO

>> Repair or replace harnesses.

Map lamp

Personal lamp

Continuity

Connector

Terminal

Connector

Terminal

R109

3

Second LH

R18

2

Existed

Second RH

R17

Third LH

R28

Third RH

R27

BCM

Ground

Continuity

Connector

Terminal

M123

63

Not existed

Map lamp

Ground

Continuity

Connector

Terminal

R109

3

Not existed