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BCS COMBINATION SWITCH OUTPUT CIRCUIT BCS-39 < DTC/CIRCUIT DIAGNOSIS > [BCM] C D E F G H I J K L B A O P N COMBINATION SWITCH OUTPUT CIRCUIT Diagnosis Procedure INFOID:0000000009467072 Regarding Wiring Diagram information, refer to . 1. CHECK OUTPUT 1 - 5 SYSTEM CIRCUIT FOR OPEN 1. Turn the ignition switch OFF. 2. Disconnect the BCM and combination switch. 3. Check continuity between BCM harness connector and combination switch harness connector. Does continuity exist? YES >> GO TO 2 NO >> Repair or replace harness. 2. CHECK OUTPUT 1 - 5 SYSTEM CIRCUIT FOR SHORT Check for continuity between BCM harness connector and ground. Does continuity exist? YES >> Repair or replace harness. NO >> GO TO 3 3. CHECK BCM INPUT VOLTAGE 1. Connect the BCM and the combination switch connector. 2. Check voltage between BCM harness connector and ground. System BCM Combination switch Continuity Connector Terminal Connector Terminal OUTPUT 1 M18 (A) 51 M28 (B) 12 Yes OUTPUT 2 52 14 OUTPUT 3 53 5 OUTPUT 4 54 2 OUTPUT 5 50 8 System BCM Ground Continuity Connector Terminal OUTPUT 1 M18 51 No OUTPUT 2 52 OUTPUT 3 53 OUTPUT 4 54 OUTPUT 5 50 |