Ignition Keyhole Illumination 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. Select "BCM" on CONSULT-III. Select "INT LAMP" on "SELECT TEST ITEM" screen.
2. Select "ACTIVE TEST" on "SELECT DIAG MODE" screen.
3. Select "IGN ILLUM" on "SELECT TEST ITEM" screen.
4. Select "ON" on "ACTIVE TEST" screen to make sure lamp operates.
OK or NG

OK: Replace BCM. Refer to "BCM ".

NG: GO TO 3.
CHECK IGNITION KEYHOLE ILLUMINATION INPUT
1. Turn ignition switch OFF.
2. Check voltage between ignition keyhole illumination harness connector M25 terminal 1 and ground.
  1 - Ground: Battery voltage should exist.
Fig 1: Checking Voltage Between Ignition Keyhole Illumination Connector M150 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 KEYHOLE ILLUMINATION BULB
1. Disconnect ignition keyhole illumination connector.
2. Check continuity between ignition keyhole illumination terminals 1 and 2.
  1 - 2: Continuity should exist.
Fig 2: Checking Continuity Between Ignition Keyhole Illumination Terminals 1 And 2
Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG

OK: GO TO 5.

NG: Replace ignition keyhole illumination.
CHECK IGNITION KEYHOLE ILLUMINATION CIRCUIT
1. Disconnect BCM connector.
2. Check continuity between BCM harness connector M18 terminal 1 and ignition keyhole illumination harness connector M25 terminal 2.
  1 - 2: Continuity should exist.
Fig 3: Checking Continuity Between BCM And Ignition Key Hole Illumination Connector Terminals
Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG

OK: Replace BCM if ignition keyhole illumination does not work after setting the connector again. Refer to "BCM ".

NG: Repair harness or connector.
CHECK IGNITION KEYHOLE ILLUMINATION CIRCUIT
1. Disconnect BCM connector and ignition keyhole illumination connector.
2. Check continuity between BCM connector M20 (A) terminal 56 and ignition keyhole illumination connector M25 (B) terminal 1.
  56 - 1: Continuity should exist.
Fig 4: Checking Continuity Between BCM Connector M20 Terminal 56 And Ignition Keyhole Illumination Connector M25 Terminal 1
Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG

OK: Replace BCM if ignition keyhole illumination does not work after setting the connector again. Refer to "BCM ".

NG: Repair harness or connector.