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 THROTTLE CONTROL MOTOR OUTPUT SIGNAL CIRCUIT FOR OPEN OR SHORT Disconnect electric throttle control actuator harness connector. Courtesy of SUZUKI OF AMERICA CORP.SUZUKI OF AMERICA CORP. 2. Disconnect ECM harness connector. 3. Check harness continuity between the following terminals. Refer to WIRING DIAGRAM . Courtesy of SUZUKI OF AMERICA CORP.SUZUKI OF AMERICA CORP. 4. Also check harness for short to ground and short to power. OK or NG	GO TO 3.	Repair or replace.
3	CHECK THROTTLE CONTROL MOTOR Refer to [P2118 THROTTLE CONTROL MOTOR ]. OK or NG	GO TO 4.	GO TO 5.
4	CHECK INTERMITTENT INCIDENT Refer to [SERVICE INFORMATION FOR ELECTRICAL INCIDENT: INTERMITTENT INCIDENT ] OK or NG	GO TO 5.	Repair or replace harness or connectors.
5	REPLACE ELECTRIC THROTTLE CONTROL ACTUATOR Replace the electric throttle control actuator. Perform "Throttle Valve Closed Position Learning" in [PROCEDURE AFTER REPLACING ECM ]. Perform "Idle Air Volume Learning" in [PROCEDURE AFTER REPLACING ECM ].	INSPECTION END