Ignition Keyhole Illumination Control Does Not Operate

WARNING: This page is about a different car, the 2005 Nissan Quest. However, it is still accessible from the selected car via links, so may be relevant.

CHECK EACH SWITCH
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
- OK: GO TO 2.
- NG: Inspect malfunctioning switch system.
ACTIVE TEST
1. Select "BCM" on CONSULT-II. Select "INT LAMP".
2. Select "IGN ILLUM" active test to make sure lamp operates.
  
  Fig 1: Displaying IGN ILLUM On ACTIVE TEST Screen
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG
- OK: Replace BCM. Refer to "REMOVAL AND INSTALLATION OF BCM ".
- NG: GO TO 3.
CHECK IGNITION KEYHOLE ILLUMINATION INPUT
1. Check voltage between ignition keyhole illumination harness connector M25 terminal + (R/G) and ground.
  
  Fig 2: Checking Voltage Between Ignition Keyhole Illumination Harness Connector M25 Terminal + & Ground
  Courtesy of NISSAN MOTOR CO., U.S.A.
  
  + (R/G) - Ground: Battery voltage should exist.
OK or NG
- OK: GO TO 4.
- NG: GO TO 6.
CHECK IGNITION KEYHOLE ILLUMINATION BULB
1. Disconnect ignition keyhole illumination connector.
2. Check continuity between ignition keyhole illumination terminals + and -.
  
  Fig 3: Checking Continuity Between Ignition Keyhole Illumination Terminals + And -
  Courtesy of NISSAN MOTOR CO., U.S.A.
  
  + - -: Continuity should exist.
OK or NG
- OK: GO TO 5.
- NG: Replace ignition keyhole illumination bulb.
CHECK IGNITION KEYHOLE ILLUMINATION CIRCUIT
1. Disconnect BCM connector.
2. Check continuity between BCM harness connector M18 terminal 1 (BR/W) and keyhole illumination harness connector M25 terminal - (BR/W).
  
  Fig 4: Checking Continuity Between BCM Harness Connector M18 Terminal 1 & Keyhole Illumination Harness Connector M25 Terminal -
  Courtesy of NISSAN MOTOR CO., U.S.A.
  
  - (BR/W) -1 (BR/W): Continuity should exist.
OK or NG
- OK: Replace BCM if ignition keyhole illumination does not work after setting the connector again. Refer to "REMOVAL AND INSTALLATION OF BCM ".
- NG: Repair harness or connector.
CHECK IGNITION KEYHOLE ILLUMINATION CIRCUIT
1. Disconnect BCM connector and keyhole illumination connector.
2. Check continuity between BCM harness connector M19 terminal 41 (R/G) and keyhole illumination harness connector M25 terminal + (R/G).
  
  Fig 5: Checking Continuity Between BCM Harness Connector M19 Terminal 41 & Keyhole Illumination Harness Connector M25 Terminal +
  Courtesy of NISSAN MOTOR CO., U.S.A.
  
  + (R/G) - 41 (R/G): Continuity should exist.
OK or NG
- OK: Replace BCM if ignition keyhole illumination does not work after setting the connector again. Refer to "REMOVAL AND INSTALLATION OF BCM ".
- NG: Repair harness or connector.