Interior Room Lamp Control Does Not Operate

WARNING: This page is about a different car, the 2008 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.

CHECK EACH SWITCH
Select "BCM" on CONSULT-III. With "INT LAMP" data monitor, make sure switches listed in display item list turn ON-OFF linked with switch operation. Refer to "DISPLAY ITEM LIST " for switches and their functions.

OK or NG

OK: GO TO 2.

NG: Inspect malfunctioning switch system.
ACTIVE TEST
1. With interior room lamp switch in the AUTO position, use active test to make sure interior room lamp operates.
2. Select "BCM" on CONSULT-III. Select "INT LAMP" on "SELECT TEST ITEM" screen.
3. Select "ACTIVE TEST" on "SELECT DIAG MODE" screen.
4. Select "INT LAMP" on "SELECT TEST ITEM" screen.
5. Select "ON" on ACTIVE TEST" screen.
OK or NG

OK: Replace BCM. Refer to "BCM ".

NG: GO TO 3.
CHECK INTERIOR ROOM LAMP INPUT
1. Turn ignition switch OFF.
2. Check voltage between interior room lamp harness connector R14 terminal 7 and ground.
  7 - Ground: Battery voltage should exist.
Fig 1: Checking Voltage Between Interior Room Lamp Connector R14 Terminal 7 And Ground
Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG

OK: GO TO 4.

NG: GO TO 6.

CHECK INTERIOR ROOM LAMP

Disconnect interior room lamp connector.

Check continuity between interior room lamp terminals.

INTERIOR ROOM LAMP

Interior room lamp		Condition	Continuity
Terminal		Condition	Continuity
7	6	Interior room lamp switch is AUTO	Yes
7	6	Interior room lamp switch is OFF	No

Fig 2: Checking Continuity Between Interior Room Lamp Terminals

Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG

OK: GO TO 5.

NG: Replace interior room lamp.

CHECK INTERIOR ROOM LAMP CIRCUIT
1. Disconnect BCM connector.
2. Check continuity between BCM connector M20 (A) terminal 63 and interior room lamp connector R14 (B) terminal 6.
  63 - 6: Continuity should exist.
Fig 3: Checking Continuity Between BCM Connector M20 Terminal 63 And Interior Room Lamp Connector R14 Terminal 6
Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG

OK: Replace BCM if interior lamp does not work after setting the connector again. Refer to "BCM ".

NG: Repair harness or connector.
CHECK INTERIOR ROOM LAMP CIRCUIT
1. Disconnect BCM connector and interior room lamp connector.
2. Check continuity between BCM connector M20 (A) terminal 56 and interior room lamp connector R14 (B) terminal 7.
  56 - 7: Continuity should exist.
Fig 4: Checking Continuity Between BCM Connector M20 Terminal 56 And Interior Room Lamp Connector R14 Terminal 7
Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG

OK: Replace BCM if interior lamp does not work after setting the connector again. Refer to "BCM ".

NG: Repair harness or connector.