Diagnosis Procedure

DIAGNOSIS PROCEDURE CHART

Step	Action	YES	NO
1	CHECK HARNESS CONNECTOR Turn ignition switch OFF. Check combination meter and fuel level sensor unit terminals (meter-side and harness-side) for poor connection. Is the inspection result normal?	GO TO 2	Repair or replace terminals or connectors.
2	CHECK FUEL LEVEL SENSOR UNIT CIRCUIT Disconnect combination meter connector and fuel level sensor unit connector. Courtesy of SUZUKI OF AMERICA CORP.SUZUKI OF AMERICA CORP.SUZUKI OF AMERICA CORP. 2. Check continuity between combination meter harness connector and fuel level sensor unit and fuel pump harness connector. Courtesy of SUZUKI OF AMERICA CORP.SUZUKI OF AMERICA CORP.SUZUKI OF AMERICA CORP. 3. Check continuity between fuel level sensor unit and fuel pump harness connector and ground. Courtesy of SUZUKI OF AMERICA CORP.SUZUKI OF AMERICA CORP.SUZUKI OF AMERICA CORP. Is the inspection result normal?	GO TO 3	Repair harness or connector.
3	CHECK FUEL LEVEL SENSOR UNIT GROUND CIRCUIT Check continuity between combination meter harness connector and fuel level sensor unit and fuel pump harness connector. Courtesy of SUZUKI OF AMERICA CORP.SUZUKI OF AMERICA CORP.SUZUKI OF AMERICA CORP. Courtesy of SUZUKI OF AMERICA CORP.SUZUKI OF AMERICA CORP.SUZUKI OF AMERICA CORP. 2. Check continuity between fuel level sensor unit and fuel pump harness connector and ground. Courtesy of SUZUKI OF AMERICA CORP.SUZUKI OF AMERICA CORP.SUZUKI OF AMERICA CORP. Is the inspection result normal?	GO TO 4	Repair harness or connector.
4	CHECK INSTALLATION CONDITION Check fuel level sensor unit 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?	Inspection End.	Install the fuel level sensor unit properly.