Diagnosis Procedure
DIAGNOSIS PROCEDURE CHART
| Step | Action | YES | NO |
|---|---|---|---|
| 1 | CHECK COMBINATION METER INPUT SIGNAL
Does monitor value match fuel gauge reading? |
GO TO 2 | Replace combination meter. Refer to [COMBINATION METER: REMOVAL AND INSTALLATION ]. |
| 2 | CHECK FUEL LEVEL SENSOR SIGNAL CIRCUIT Check the fuel level sensor signal circuit. Refer to [FUEL LEVEL SENSOR SIGNAL CIRCUIT CHECK ]. Is the inspection result normal? |
GO TO 3 | Repair harness or connector. |
| 3 | CHECK FUEL LEVEL SENSOR UNIT Perform a unit check for the fuel level sensor unit. Refer to [FUEL LEVEL SENSOR SIGNAL CIRCUIT CHECK ]. Is the inspection result normal? |
GO TO 4 | Replace fuel level sensor unit. Refer to [FUEL LEVEL SENSOR UNIT, FUEL FILTER AND FUEL PUMP ASSEMBLY: REMOVAL AND INSTALLATION ] |
| 4 | CHECK FLOAT INTERFERENCE Check that the float arm does not interfere or bind with any of the components in the fuel tank. Is the inspection result normal? |
Replace combination meter. Refer to [COMBINATION METER: REMOVAL AND INSTALLATION ]. | Repair or replace malfunctioning parts. |