Diagnosis Procedure

Fuel gauge will not indicate from a certain position.

1. 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 .

2. 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 .

3. 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.

4. 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 .

5. 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.