Nissan GT-R (R35) · Service Manual
DRIVER CONTROLS
DRIVER CONTROLS › INTERIOR LIGHTING SYSTEM › COMPONENT DIAGNOSIS
INTERIOR ROOM LAMP CONTROL CIRCUIT
Description
Component Function Check
Diagnosis Procedure
Description
Controls each interior room lamp (ground side) by PWM signal.
NOTE：
PWM signal control period is approximately 250 Hz (in the gradual brightening/dimming).
Component Function Check
■ CAUTION ■
Before performing the diagnosis, check that the following is normal.
Interior room lamp power supply
Map lamp bulb
1.CHECK INTERIOR ROOM LAMP CONTROL FUNCTION
CONSULT-III ACTIVE TEST
Switch the map lamp switch to DOOR.
Turn ignition switch ON.
Select “INT LAMP” of BCM (INT LAMP) active test item.
With operating the test items, check that each interior room lamps operation. (gradual brightening/dimming).
On
: Interior room lamp gradual brightening
Off
: Interior room lamp gradual dimming
Are the interior room lamps turned ON/OFF (gradual brightening/dimming)?
YES
>>
Interior room lamp control circuit is normal.
NO
>>
Refer to
Diagnosis Procedure
.
Diagnosis Procedure
1.CHECK INTERIOR ROOM LAMP CONTROL OUTPUT
CONSULT-III ACTIVE TEST
Turn ignition switch OFF.
Remove all the bulbs of map lamp.
Select “INT LAMP” of BCM (INT LAMP) active test item.
With operating the test item, check continuity between BCM harness connector and ground.
BCM
Ground
Test item
Continuity
Connector
Terminal
INT LAMP
M119
19
On
Existed
Off
Not existed
Is the measurement value normal?
YES
>>
GO TO 2
.
Fixed ON
>>
GO TO 3
.
Fixed OFF
>>
Replace BCM.
2.CHECK INTERIOR ROOM LAMP CONTROL OPEN CIRCUIT
Turn ignition switch OFF.
Disconnect BCM connector and map lamp connector.
Check continuity between BCM harness connector and map lamp harness connector.
BCM
Map lamp
Continuity
Connector
Terminal
Connector
Terminal
M119
19
R6
2
Existed
Does continuity exist?
YES
>>
Replace the map lamp.
NO
>>
Repair the harnesses or connectors.
3.CHECK INTERIOR ROOM LAMP CONTROL SHORT CIRCUIT
Turn ignition switch OFF.
Disconnect BCM connector and map lamp connector.
Check continuity between BCM harness connector and ground.
BCM
Ground
Continuity
Connector
Terminal
M119
19
Not existed
Does continuity exist?
YES
>>
Repair the harnesses or connectors.
NO
>>
Replace BCM.
1.CHECK INTERIOR ROOM LAMP CONTROL FUNCTION
CONSULT-III ACTIVE TEST