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Home >> Suzuki >> 2011 >> Equator Base >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Communication Devices >> Body Electrical Control System >> Diagnostic Information and Procedure >> Combination Switch Input Circuit Check >> Diagnosis Procedure

Diagnosis Procedure

Regarding Wiring Diagram information, refer to [BCM: WIRING DIAGRAM ].

DIAGNOSIS PROCEDURE

Step Action YES NO
1  CHECK INPUT 1 - 5 SYSTEM CIRCUIT FOR OPEN 
  1. Turn ignition switch OFF.
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  1. 2. Disconnect BCM and combination switch.
  2. 3. Check continuity between BCM harness connector and combination switch harness connector.
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Does continuity exist? 		 GO TO 2 Repair or replace harness.
2  CHECK INPUT 1 - 5 SYSTEM CIRCUIT FOR SHORT 
Check for continuity between BCM harness connector and ground.
Does continuity exist? 		 Repair or replace harness. GO TO 3
3  CHECK BCM OUTPUT VOLTAGE 
  1. Connect BCM.
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  1. 2. Turn ignition switch ON.
  2. 3. Check voltage between BCM harness connector and ground.
G06446893G06446894Courtesy of SUZUKI OF AMERICA CORP.SUZUKI OF AMERICA CORP.

Is the measurement value normal? 		 GO TO 4 Replace BCM. Refer to [BCM (BODY CONTROL MODULE): REMOVAL AND INSTALLATION ].
4  CHECK COMBINATION SWITCH 
Check combination switch. Refer to [COMBINATION SWITCH CIRCUIT CHECK ].
Is the check result normal? 		 Replace BCM. Refer to [BCM (BODY CONTROL MODULE): REMOVAL AND INSTALLATION ]. Replace the combination switch (applicable parts). Refer to [LIGHTING & TURN SIGNAL SWITCH: REMOVAL AND INSTALLATION ]
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