Diagnosis Procedure

DIAGNOSIS PROCEDURE

Step	Action	YES	NO
1	CHECK GROUND CONNECTIONS Turn ignition switch OFF. Loosen and retighten three ground screws on the body. Refer to [POWER SUPPLY AND GROUND CIRCUIT CHECK ]. Courtesy of SUZUKI OF AMERICA CORP. OK or NG	GO TO 2.	Repair or replace ground connections.
2	CHECK EVPA CONTROL SYSTEM PRESSURE SENSOR CONNECTOR FOR WATER Disconnect EVAP control system pressure sensor (2) harness connector. Courtesy of SUZUKI OF AMERICA CORP. EVAP canister vent control valve (1) Drain filter (3) EVAP canister (4) <=: Vehicle front 2. Check sensor harness connector for water. Water should not exist. OK or NG	GO TO 3.	Repair or replace harness connector.
3	CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR Refer to [P0451 EVAP CONTROL SYSTEM PRESSURE SENSOR ]. OK or NG	GO TO 4.	Replace EVAP control system pressure sensor.
4	CHECK INTERMITTENT INCIDENT Refer to [SERVICE INFORMATION FOR ELECTRICAL INCIDENT: INTERMITTENT INCIDENT ]	INSPECTION END