Diagnosis Procedure
- CHECK COMBINATION METER INPUT SIGNAL
- Turn ignition switch ON.
- Check voltage between combination meter harness connector and ground.
Terminals Voltage (Approx.) (+) (-) Combination meter Ground Connector Terminal M53 34 Does it match fuel gauge reading?
YES: GO TO 2.
NO: Replace the combination meter. Refer to "REMOVAL AND INSTALLATION ".
- CHECK FUEL LEVEL SENSOR UNIT (SUB) CIRCUIT
- Turn ignition switch OFF.
- Disconnect combination meter connector and fuel level sensor unit (sub) connector.
- Check continuity between combination meter harness connector and fuel level sensor unit (sub) harness connector.
Combination meter Fuel level sensor unit (sub) Continuity Connector Terminal Connector Terminal M53 34 B21 1 Existed - Check continuity between combination meter harness connector and ground.
Combination meter Ground Continuity Connector Terminal M53 34 Not existed Is the inspection result normal?
YES: GO TO 3.
NO: Repair harness or connector.
- CHECK FUEL LEVEL SENSOR (SUB-MAIN) CIRCUIT
- Disconnect fuel level sensor unit (main) connector.
- Check continuity between fuel level sensor unit (sub) harness connector and fuel level sensor unit (main) harness connector.
Fuel level sensor unit (sub) Fuel level sensor unit (main) Continuity Connector Terminal Connector Terminal B21 2 B241 2 Existed - Check continuity between fuel level sensor unit (main) harness connector and ground.
Fuel level sensor unit (sub) Ground Continuity Connector Terminal B21 2 Not existed Is the inspection result normal?
YES: GO TO 4.
NO: Repair harness or connector.
- CHECK FUEL LEVEL SENSOR (MAIN) GROUND CIRCUIT
Check continuity between fuel level sensor unit (main) harness connector and combination meter harness connector.
Fuel level sensor unit (main) Combination meter Continuity Connector Terminal Connector Terminal B241 5 M53 24 Existed Is the inspection result normal?
YES: INSPECTION END
NO: Repair harness or connector.