Ignition Keyhole Illumination Control Does Not Operate

WARNING: This page is about a different car, the 2006 Nissan Pathfinder. 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.

Fig 1: CONSULT II Display - Data Monitor
Courtesy of NISSAN MOTOR CO., U.S.A.

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 2: CONSULT-II Display - IGN ILLUM
Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG

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

NG: GO TO 3.

CHECK IGNITION KEYHOLE ILLUMINATION POWER SUPPLY INPUT

Check voltage between ignition keyhole illumination harness connector M150 terminal 1 and ground.

IGNITION KEYHOLE ILLUMINATION POWER SUPPLY INPUT

Terminals		(-)	Voltage (Approx.)
(+)
Ignition keyhole illumination connector	Terminal
M150	1	Ground	Battery voltage

Fig 3: Checking Voltage Between Ignition Keyhole Illumination Harness Connector M150 Terminal 1 And Ground

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

OK or NG

OK: GO TO 4.

NG: GO TO 5.

CHECK IGNITION KEYHOLE ILLUMINATION BULB

Turn ignition switch OFF.
Disconnect ignition keyhole illumination connector.
Check continuity between ignition keyhole illumination terminals 1 and 2.

IGNITION KEYHOLE ILLUMINATION BULB

Terminals		Continuity
Ignition keyhole illumination terminal		Continuity
1	2	Yes

Fig 4: 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 bulb.

CHECK IGNITION KEYHOLE ILLUMINATION CONTROL CIRCUIT

Disconnect BCM connector.
Check continuity between BCM harness connector M18 (A) terminal 1 and ignition keyhole illumination harness connector M150 (B) terminal 2.

IGNITION KEYHOLE ILLUMINATION CONTROL CIRCUIT

A		B		Continuity
BCM connector	Terminal	Ignition keyhole illumination connector	Terminal	Continuity
M18	1	M150	2	Yes

Fig 5: Checking Continuity Between BCM Harness Connector M18 Terminal 1 And Ignition Keyhole Illumination Harness Connector M150 Terminal 2

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 "REMOVAL AND INSTALLATION ".

NG: Repair harness or connector.

CHECK IGNITION KEYHOLE ILLUMINATION POWER SUPPLY CIRCUIT

Turn ignition switch OFF.
Disconnect BCM connector and ignition keyhole illumination connector.
Check continuity between BCM harness connector M20 (A) terminal 56 and ignition keyhole illumination harness connector M150 (B) terminal 1.

IGNITION KEYHOLE ILLUMINATION POWER SUPPLY CIRCUIT

A		B		Continuity
BCM connector	Terminal	Ignition keyhole illumination connector	Terminal	Continuity
M20	56	M150	1	Yes

Fig 6: Checking Continuity Between BCM Harness Connector M20 Terminal 56 And Ignition Keyhole Illumnation Harness Connector M150 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 "REMOVAL AND INSTALLATION ".

NG: Repair harness or connector.