Diagnosis Procedure

IGNITION KEYHOLE ILLUMINATION CONTROL CIRCUIT


Description

Controls the ignition keyhole illumination (ground side) to turn the ignition keyhole illumination ON and OFF.




IGNITION KEYHOLE ILLUMINATION CONTROL CIRCUIT


Diagnosis Procedure

Regarding Wiring Diagram information, Interior Room Lamp Control System.
1.CHECK IGNITION KEYHOLE OUTPUT
CONSULT-III





1. Turn ignition switch ON.
2. Select "IGN ILLUM" of BCM (INT LAMP) active test item.
3. While operating the test item, check voltage between BCM connector M18 terminal 1 and ground.





Is the inspection result normal?
YES - Ignition keyhole illumination control circuit is operating normally.
Fixed ON-GO TO 3
Fixed OFF-GO TO 2
2.CHECK IGNITION KEYHOLE ILLUMINATION OPEN CIRCUIT





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





Is the inspection result normal?
YES - Check ignition keyhole illumination for an open. If OK, replace BCM. Service and Repair. If NG, replace ignition keyhole illumination.
NO - Repair harness or connectors.
3.CHECK IGNITION KEYHOLE ILLUMINATION SHORT CIRCUIT





1. Turn ignition switch OFF.
2. Disconnect BCM connector M18 and ignition keyhole illumination connector.
3. Check continuity between BCM connector M18 terminal 1 and ground.





Is the inspection result normal?
YES - Check ignition keyhole illumination for a short circuit. If
OK, replace BCM. Service and Repair, "Removal and
Installation". If NG, replace ignition keyhole illumination.
NO - Repair harness or connectors.