Nissan Versa Sedan Service ManualDriver controls » Interior lighting system (INL) » Interior room lamp control circuit
Diagnosis Procedure
Diagnosis Procedure
Regarding Wiring Diagram information, refer to INL "Wiring Diagram".
1.CHECK INTERIOR ROOM LAMP CONTROL OUTPUT
CONSULT
1. Turn ignition switch OFF.
2. Remove all the bulbs of map lamp and interior room lamp.
3. Turn ignition switch ON.
4. Select INT LAMP of BCM (INT LAMP) ACTIVE TEST item.
5. While 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 after making sure battery saver output/power supply circuit is not shorted to voltage.
Refer to BCS "Removal and Installation" (with Intelligent Key) or BCS "Removal and Installation" (without Intelligent Key).
2.CHECK INTERIOR ROOM LAMP CONTROL OPEN CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM connector and map lamp connector or interior room lamp connector.
3. Check continuity between BCM harness connector and map lamp harness connector or interior room lamp harness connector.
With map lamp
Is the inspection result normal?
YES >> Check that map lamp or interior room lamp has no internal open circuit.
NO >> Repair or replace harness or connector.
3.CHECK INTERIOR ROOM LAMP CONTROL SHORT CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM connector.
3. Check continuity between BCM harness connector and ground.
Is the inspection result normal?
YES >> Replace BCM after making sure battery saver output/power supply circuit is not shorted to voltage.
Refer to BCS "Removal and Installation" (with Intelligent Key) or BCS "Removal and Installation" (without Intelligent Key).
NO >> GO TO 4.
4.CHECK INTERIOR ROOM LAMP CONTROL SHORT CIRCUIT
1. Disconnect interior room lamp connector or map lamp connector.
2. Check continuity between BCM harness connector and ground.
Is the inspection result normal?
YES >> Check that map lamp or interior room lamp has no internal short circuit.
NO >> Repair or replace harness or connector.