Headlamp Levelizer Circuit

HEADLAMP LEVELIZER CIRCUIT





Component Function Check
1.CHECK AIMING MOTOR OPERATION
CONSULT-III ACTIVE TEST
1. Start the engine.
2. Turn the lighting switch 2ND.
3. Select "LEVELIZER TEST" of ADAPTIVE LIGHT active test item.
4. With operating the test item, check the operation.





Is the operation normal?
YES - Headlamp levelizer circuit is normal.
NO - SEE Diagnosis Procedure.




Diagnosis Procedure
1.CHECK AIMING MOTOR DRIVE SIGNAL OUTPUT
CONSULT-III ACTIVE TEST
1. Start the engine.
2. Turn light switch 2ND.
3. Select "LEVELIZER TEST" of ADAPTIVE LIGHT active test item.
4. With operating the test item, check voltage between AFS control unit harness connector and ground.





Is the inspection result normal?
YES - GO TO 2.
NO - GO TO 3.
2.CHECK AIMING MOTOR DRIVE SIGNAL OPEN CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect AFS control unit connector and headlamp aiming motor connector.
3. Check continuity between AFS control unit harness connector and head lamp aiming motor harness connector.





Is the inspection result normal?
YES - Replace front combination lamp.
NO - Repair or replace harness.
3.CHECK AIMING MOTOR DRIVE SIGNAL SHORT CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect AFS control unit connector and headlamp aiming motor connector.
3. Check continuity between AFS control unit harness connector and ground.





Is the inspection result normal?
YES - Replace AFS control unit. Removal And Installation Xenon Type
NO - Repair or replace harness.