Diagnosis Procedure
- PERFORM COMBINATION METER SELF-DIAGNOSIS MODE
- Perform the self-diagnosis mode of combination meter, and then check that the fuel gauge operates normally. Refer to On Board Diagnosis Function .
Is the inspection result normal?
YES>>
GO TO 2.
NO>>
Replace the combination meter. Refer to Removal and Installation .
- CHECK COMBINATION METER INPUT SIGNAL
- Perform component function check. Refer to Component Function Check .
Does data monitor value match fuel gauge reading?
YES>>
GO TO 3.
NO>>
Replace combination meter. Refer to Removal and Installation .
- CHECK FUEL LEVEL SENSOR UNIT CIRCUITS
- Check the fuel level sensor circuits. Refer to Diagnosis Procedure .
Is the inspection result normal?
YES>>
GO TO 4.
NO>>
Repair or replace harness or connector.
- CHECK FUEL LEVEL SENSOR UNIT
- Check the fuel level sensor unit. Refer to Component Inspection .
Is the inspection result normal?
YES>>
GO TO 5.
NO>>
Replace fuel level sensor unit. Refer to Removal and Installation .
- CHECK FLOAT INTERFERENCE
- Check that the float arm does not interfere with or bind to other components in the fuel tank.
Is the inspection result normal?
YES>>
Check intermittent incident. Refer to Intermittent Incident .
NO>>
Repair or replace malfunctioning parts.