Diagnosis Procedure

FUEL LEVEL SENSOR SIGNAL CIRCUIT


Description

The fuel level sensor unit and fuel pump detect the fuel level in the fuel tank and transmit the fuel level sensor signal to the combination meter.





FUEL LEVEL SENSOR SIGNAL CIRCUIT


Diagnosis Procedure

1.CHECK COMBINATION METER INPUT SIGNAL
1. Turn ignition switch ON.
2. Check voltage between combination meter harness connector and ground.





Does it match fuel gauge reading?
YES - GO TO 2.
NO - Replace the combination meter. Removal And Installation.
2.CHECK FUEL LEVEL SENSOR CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect combination meter connector and fuel level sensor unit connector.
3. Check continuity between combination meter harness connector and fuel level sensor unit harness connector.





4. Check continuity between combination meter harness connector and ground.





Is the inspection result normal?
YES - GO TO 3.
NO - Repair harness or connector.
3.CHECK FUEL LEVEL SENSOR GROUND CIRCUIT
Check continuity between fuel level sensor unit harness connector and combination meter harness connector.





Is the inspection result normal?
YES - INSPECTION END
NO - Repair harness or connector.