Room/Map Lamp Control Does Not Operate

Select "BCM" on CONSULT-II. 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

1. OK: GO TO 2.
2. NG: Inspect malfunctioning switch system.

Fig 1: CONSULT-II Function Display Data Monitor

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1. Select "BCM" on CONSULT-II. Select "INT LAMP" active test.
2. When lamps on demand switch is in "DOOR" position, use active test to make sure interior room lamp operates.

OK or NG

1. OK: Replace BCM. Refer to REMOVAL AND INSTALLATION OF BCM .
2. NG: GO TO 3.

Fig 2: CONSULT-II Function Display Active Test

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1. Turn ignition switch OFF.
2. Check voltage between room/map lamp harness connector R9 terminal 1 (R/G) and ground.

Battery voltage should exist. 

OK or NG

1. OK: GO TO 4.
2. NG: GO TO  6 .

Fig 3: Checking Voltage Between Room/Map Lamp Harness Connector R9 Terminal 1 (R/G) & Ground

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1. Disconnect lamps on demand switch connector.
2. Check continuity between lamps on demand switch terminals.
   TERMINAL CONTINUITY CHART
   
   

   Terminal		Condition	Continuity
   				Lamps on demand switch
   3	4	Lamps on demand switch position: DOOR	Yes
   		Lamps on demand switch position: OFF	No

OK or NG

1. OK: GO TO 5.
2. NG: Replace lamps on demand switch.

Fig 4: Checking Continuity Between Lamps On Demand Switch Terminals

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1. Connect lamps on demand switch connector.
2. Turn lamps on demand switch to DOOR position.
3. Disconnect BCM connector.
4. Check continuity between BCM harness connector M19 terminal 48 (P) and lamps on demand harness connector M108 terminal 3(P).

Continuity should exist. 

OK or NG

1. OK: Replace BCM if interior lamp does not work after setting the connector again. Refer to REMOVAL AND INSTALLATION OF BCM .
2. NG: Repair harness or connector.

Fig 5: Checking Continuity Between BCM Harness Connector M19 Terminal 48 (P)

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1. Disconnect BCM connector and interior room lamp connector.
2. Check continuity between BCM harness connector M19 terminal 41 (R/G) and interior room lamp harness connector R9 terminal 1 (R/G).

Continuity should exist. 

OK or NG

1. OK: Replace BCM if interior lamp does not work after setting the connector again. Refer to REMOVAL AND INSTALLATION OF BCM .
2. NG: Repair harness or connector between BCM and room/map lamp or between room/map lamp and lamps on demand switch.

Fig 6: Checking Continuity Between BCM Harness Connector M19 Terminal 41 (R/G)

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