Diagnosis Procedure Front Air Control

Regarding Wiring Diagram information, refer to [REAR WINDOW DEFOGGER: WIRING DIAGRAM ].

DIAGNOSIS PROCEDURE

Step	Action	YES	NO
1	CHECK REAR WINDOW DEFOGGER SWITCH REQUEST SIGNAL Turn ignition switch ON. Check voltage between front air control harness connector and ground. Is the inspection result normal?	GO TO 4	GO TO 2
2	CHECK REAR WINDOW DEFOGGER SWITCH VOLTAGE SIGNAL Turn ignition switch OFF. Disconnect front air control. Turn ignition switch ON. Check voltage between front air control harness connector and ground. Is the inspection result normal?	Replace front air control. Refer to [CONTROL UNIT: REMOVAL AND INSTALLATION ].	GO TO 3
3	CHECK HARNESS CONTINUITY Turn ignition switch OFF. Disconnect BCM harness connector M18. Check continuity between BCM harness connector M18 terminal 9 and front air control harness connector. Courtesy of SUZUKI OF AMERICA CORP.SUZUKI OF AMERICA CORP. 4. Check continuity between BCM harness connector M18 terminal 9 and ground. Courtesy of SUZUKI OF AMERICA CORP.SUZUKI OF AMERICA CORP. Is the inspection result normal?	Replace front air control. Refer to [BCM (BODY CONTROL MODULE): REMOVAL AND INSTALLATION ]	Repair or replace harness as necessary.
4	CHECK REAR WINDOW DEFOGGER SWITCH INDICATOR CIRCUIT Check voltage between front air control harness connector and ground. Is the inspection result normal?	Replace front air control. Refer to [CONTROL UNIT: REMOVAL AND INSTALLATION ].	Repair or replace harness as necessary.