Push-Button Ignition Switch Illumination Circuit

PUSH-BUTTON IGNITION SWITCH ILLUMINATION CIRCUIT





Description
Provides the power supply and the ground to control the push-button ignition switch illumination.




Component Function Check
1.CHECK PUSH-BUTTON IGNITION SWITCH ILLUMINATION OPERATION
CONSULT-III ACTIVE TEST
1. Turn the ignition switch ON.
2. Select "ENGINE SW ILLUMI" of BCM (INTELLIGENT KEY) active test item.
3. With operating the test items, check that the push-button ignition switch illumination turns ON/OFF.






Does the push-button ignition switch illumination turn ON/OFF?
YES - Push-button ignition switch illumination circuit is normal.
NO - SEE Diagnosis Procedure.




Diagnosis Procedure
1.CHECK PUSH-BUTTON IGNITION SWITCH ILLUMINATION POWER SUPPLY OUTPUT
1. Turn ignition switch OFF.
2. Disconnect push-button ignition switch connector.
3. Check voltage between push-button ignition switch harness connector and ground.





Is the inspection result normal?
YES - GO TO 4.
NO - GO TO 2.
2.CHECK PUSH-BUTTON IGNITION SWITCH ILLUMINATION POWER SUPPLY OPEN CIRCUIT
1. Turn the ignition switch OFF.
2. Disconnect BCM connector.
3. Check continuity between BCM harness connector and the push-button ignition switch harness connector.





Is the inspection result normal?
YES - GO TO 3.
NO - Repair or replace harnesses.
3.CHECK PUSH-BUTTON IGNITION SWITCH ILLUMINATION POWER SUPPLY SHORT CIRCUIT
Check continuity between BCM harness connector and ground.





Is the inspection result normal?
YES - Replace BCM. Removal And Installation With Intelligent Key System.
NO - Repair or replace harnesses.
4.CHECK PUSH-BUTTON IGNITION SWITCH ILLUMINATION GROUND CIRCUIT
1. Turn the ignition switch OFF.
2. Check continuity between push-button ignition switch harness connector and ground.





Is the inspection result normal?
YES - Replace push-button ignition switch.
NO - Repair or replace harnesses.