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 ENGINE COOLANT TEMPERATURE SENSOR Refer to [P0125 ECT SENSOR ]. OK or NG	GO TO 3.	Replace engine coolant temperature sensor.
3	CHECK THERMOSTAT OPERATION When the engine is cold [lower than 70°C (158°F)] condition, grasp lower radiator hose and confirm that the engine coolant does not flow. OK or NG	GO TO 4.	Repair or replace thermostat. Refer to [WATER INLET AND THERMOSTAT ASSEMBLY: REMOVAL AND INSTALLATION ]
4	CHECK INTERMITTENT INCIDENT Refer to [SERVICE INFORMATION FOR ELECTRICAL INCIDENT: INTERMITTENT INCIDENT ]	INSPECTION END