Power Switch Illumination Circuit

POWER SWITCH ILLUMINATION CIRCUIT

Description

Provides the power supply and the ground to control the power switch illumination.


Component Function Check


1. CHECK POWER SWITCH ILLUMINATION OPERATION

CONSULT ACTIVE TEST
1.Turn the power switch ON.
2.Select "ENGINE SW ILLUMI" of BCM (INTELLIGENT KEY) active test item.
3.With operating the test items, check that the power switch illumination turns ON/OFF.
On: Power switch illumination ON


Off: Power switch illumination OFF
Does the power switch illumination turn ON/OFF?
YES- Power switch illumination circuit is normal.
NO- Refer to "Diagnosis Procedure" .


Diagnosis Procedure


1. CHECK POWER SWITCH ILLUMINATION POWER SUPPLY OUTPUT

1.Turn power switch OFF.
2.Disconnect power switch connector.
3.Check voltage between power switch harness connector and ground.





Is the inspection result normal?
YES- GO TO 4.
NO- GO TO 2.

2. CHECK POWER SWITCH ILLUMINATION POWER SUPPLY OPEN CIRCUIT

1.Turn the power switch OFF.
2.Disconnect BCM connector.
3.Check continuity between BCM harness connector and the power switch harness connector.





Is the inspection result normal?
YES- GO TO 3.
NO- Repair or replace harnesses.

3. CHECK POWER SWITCH ILLUMINATION POWER SUPPLY SHORT CIRCUIT

Check continuity between BCM harness connector and ground.





Is the inspection result normal?
YES- Replace BCM. Refer to "Removal and Installation" Service and Repair.
NO- Repair or replace harnesses.

4. CHECK POWER SWITCH ILLUMINATION GROUND CIRCUIT

1.Turn the power switch OFF.
2.Check continuity between power switch harness connector and ground.





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