Diagnosis Procedure

1. Turn ignition switch OFF.
2. Disconnect combination meter connector and fuel level sensor unit and fuel pump (fuel level sensor) connector.
3. Check continuity between combination meter harness connector and fuel level sensor unit and fuel pump (fuel level sensor) harness connector.

   Combination meter		Fuel level sensor unit and fuel pump (fuel level sensor)		Continuity
   Connector	Terminal	Connector	Terminal
   M24	6	B48	2	Yes

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

   Combination meter		Ground	Continuity
   Connector	Terminal
   M24	6		No

Is the inspection result normal?

YES

GO TO 2

NO

Repair or replace harness or connector.

1. Disconnect ECM connector E16.
2. Check continuity between fuel level sensor unit and fuel pump (fuel level sensor) harness connector and combination meter harness connector.

   Fuel level sensor unit and fuel pump (fuel level sensor)		Combination meter		Continuity
   Connector	Terminal	Connector	Terminal
   B48	5	M24	24	Yes

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

Is the inspection result normal?

YES

GO TO 3.

NO

Repair or replace harness or connector.

Check fuel level sensor unit and fuel pump (fuel level sensor) installation, and check whether the float arm interferes or binds with any of the internal components in the fuel tank.

Is the inspection result normal?

YES

Inspection End.

NO

Install the fuel level sensor unit and fuel pump (fuel level sensor) properly. Refer to Removal and Installation .