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 [P0116 ECT SENSOR ]. OK or NG	GO TO 3.	Replace engine coolant temperature sensor.
3	CHECK INTERMITTENT INCIDENT Refer to [SERVICE INFORMATION FOR ELECTRICAL INCIDENT: HOW TO CHECK TERMINAL ] and [SERVICE INFORMATION FOR ELECTRICAL INCIDENT: INTERMITTENT INCIDENT ] For Wiring Diagram, refer to [ENGINE CONTROL SYSTEM: WIRING DIAGRAM [VQ40DE] ]	INSPECTION END