Ignition Key Hole Illumination Control Does Not Operate

WARNING: This page is about a different car, the 2008 Infiniti FX45 and 2008 Infiniti FX35. However, it is still accessible from the selected car via links, so may be relevant.

CHECK EACH SWITCH
CONSULT-III DATA MONITOR
1. Select "INT LAMP" of BCM data monitor item.
2. Check that switches listed in display item list turn ON-OFF linked with switch operation. Refer to CONSULT-III Functions (BCM) for switches and their functions.
OK or NG

OK: GO TO 2.

NG: Inspect malfunctioning switch system.
ACTIVE TEST
1. Select "IGN ILLUM" of BCM (INT LAMP) active test item.
2. With operating the test item, check the ignition key hole illumination operation (When interior room lamp switch is in DOOR position).
  Ignition key hole illumination should operate.
OK or NG

OK: Replace BCM. Refer to "REMOVAL AND INSTALLATION OF BCM ".

NG: GO TO 3.
CHECK IGNITION KEY HOLE ILLUMINATION INPUT
1. Turn ignition switch OFF.
2. Check voltage between ignition key hole illumination harness connector M24 terminal 1 and ground.
  1 - Ground : Battery voltage.
  
  Fig 1: Identifying Voltage Between Ignition Key Hole Illumination Harness Connector Terminal 1 And Ground
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG

OK: GO TO 4.

NG: GO TO 6.
CHECK IGNITION KEY HOLE ILLUMINATION BULB
1. Disconnect ignition key hole illumination connector.
2. Check continuity between ignition key hole illumination terminals 1 and 2.
  1 - 2 : Continuity should exist.
  
  Fig 2: Identifying Continuity Between Ignition Key Hole Illumination Terminals 1 And 2
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG

OK: GO TO 5.

NG: Replace ignition key hole illumination. Refer to "IGNITION KEY HOLE ILLUMINATION (WITHOUT INTELLIGENT KEY) " "IGNITION KEY HOLE ILLUMINATION (WITH INTELLIGENT KEY) "
CHECK IGNITION KEY HOLE ILLUMINATION CIRCUIT
1. Disconnect BCM connector.
2. Check continuity between BCM harness connector M3 terminal 1 and ignition key hole illumination harness connector M24 terminal 2.
  1 - 2 : Continuity should exist.
Fig 3: Identifying Continuity Between BCM Connector Terminal 1 And Ignition Key Hole Illumination Connector Terminal 2
Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG

OK: Replace BCM if ignition key hole illumination does not work after setting the connector again. Refer to "REMOVAL AND INSTALLATION OF BCM ".

NG: Repair harness or connector.
CHECK IGNITION KEY HOLE ILLUMINATION CIRCUIT
1. Disconnect BCM connector and ignition key hole illumination connector.
2. Check continuity between BCM harness connector M4 terminal 41 and ignition key hole illumination harness connector M24 terminal 1.
  41 - 1 : Continuity should exist.
  
  Fig 4: Identifying Continuity Between BCM Connector Terminal 41 And Ignition Key Hole Illumination Connector Terminal 1
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG

OK: Replace BCM if ignition key hole illumination does not work after setting the connector again. Refer to "REMOVAL AND INSTALLATION OF BCM ".

NG: Repair harness or connector.