W/Harness Inspection

P0624 Fuel Cap Lamp Control Circuit

Inspection/Repair - W/Harness Inspection

Terminal and Connector Inspection

1. Many malfunctions in the electrical system are caused by poor harness and terminals.
Faults can also be caused by interference from other electrical systems, and mechanical or chemical damage.
2. Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage.
3. Has a problem been found?
YES
1) Repair as necessary and go to "Verification of Vehicle Repair" procedure.
NO
1) Go to "Main relay circuit inspection" procedure.

Power Supply Circuit Inspection

1. IG "OFF".
2. Disconnect the instrument cluster harness connector.
3. Measure the voltage between terminal 11/M09-1 of harness connector and ground.
A. Specification : B+




4. Is the measured voltage within specification?
YES
1) Go to "Control circuit inspection" procedure.
NO
1) Check the fuse (ECU A 30A) between battery and cluster.
2) Repair Open or Short in power circuit and then go to "Verification of vehicle Repair" procedure.

Control Circuit Inspection

1. IG "OFF".
2. Disconnect PCM harness connector.
3. IG "ON".
4. Measure the voltage between terminal 53/C01-1 (94/C01) of PCM (ECM) harness connector and ground.
A. Specification : B+








5. Is the measured voltage within specification?
YES
1) Go to "Component inspection" procedure.
NO
1) Check the bulb and repair as necessary.
2) Repair Open or Short in control circuit and then go to "Verification of vehicle Repair" procedure.