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Diagnosis Procedure Front Air Control

Regarding Wiring Diagram information, refer to DEFOGGER CONTROL SYSTEM: WIRING DIAGRAM .

DIAGNOSIS PROCEDURE

Step Action YES NO
CHECK FRONT AIR CONTROL (REAR WINDOW DEFOGGER SWITCH) CIRCUIT 
Does rear window defogger switch operate normally?
Is the inspection result normal? 
Inspection End. GO TO 2
CHECK HARNESS CONTINUITY 
  1. Turn ignition switch OFF.
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  1. 2. Disconnect BCM and front air control.
  2. 3. Check continuity between BCM harness connector M18 (A) terminal 9 and front air control harness connector M50 (B) terminal 16.
G06443640G06443641G06443642Courtesy of SUZUKI OF AMERICA CORP.SUZUKI OF AMERICA CORP.SUZUKI OF AMERICA CORP.

  1. 4. Check continuity between BCM harnesses connector M18 (A) terminal 9 and ground.
G06443640G06443641G06443642Courtesy of SUZUKI OF AMERICA CORP.SUZUKI OF AMERICA CORP.SUZUKI OF AMERICA CORP.

Is the inspection result normal? 
Replace front air control. Refer to [CONTROL UNIT: REMOVAL AND INSTALLATION ] Repair or replace harness as necessary.