Diagnosis Procedure

STEP LAMP CIRCUIT


Description

Controls the step lamp (ground side) to turn the step lamp ON and OFF.




STEP LAMP CIRCUIT


Diagnosis Procedure

1.CHECK STEP LAMP OUTPUT
CONSULT-III ACTIVE TEST
1. Turn ignition switch OFF.
2. Remove the step lamp bulbs (driver side and passenger side).
3. Turn ignition switch ON.
4. Select "STEP LAMP TEST" of BCM (INT LAMP) active test item.
5. With operating the test item, check continuity between BCM harness connector and ground.





Is the measurement value normal?
YES - GO TO 2.
Fixed ON-GO TO 3.
Fixed OFF-Replace BCM.
2.CHECK STEP LAMP OPEN CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM connector, and step lamp connector.
3. Check continuity between BCM harness connector and step lamp harness connector.





Does continuity exist?
YES - Replace step lamp.
NO - Repair harnesses or connectors.
3.CHECK STEP LAMP SHORT CIRCUIT
1. Turn ignition switch OFF.
2. Check continuity between BCM harness connector and ground.





Does continuity exist?
YES - Repair the harnesses or connectors.
NO - Replace BCM.