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HAZARD SWITCH EXL-229 < DTC/CIRCUIT DIAGNOSIS > [LED HEADLAMP] C D E F G H I J K M A B EXL N O P HAZARD SWITCH Component Function Check INFOID:0000000011421504 1. CHECK HAZARD SWITCH SIGNAL BY CONSULT CONSULT DATA MONITOR 1. Turn ignition switch ON. 2. Select “HAZARD SW” in “Data Monitor” of “BCM (FLASHER)”. 3. With operating the hazard switch, check the monitor status. Is the inspection result normal? YES >> Hazard switch circuit is normal. NO >> Refer to EXL-229, "Diagnosis Procedure" . Diagnosis Procedure INFOID:0000000011421505 1. CHECK HAZARD SWITCH SIGNAL INPUT 1. Turn ignition switch OFF. 2. Disconnect hazard switch connector. 3. Check voltage between hazard switch connector and ground. Is the inspection result normal? YES >> GO TO 4. NO >> GO TO 2. 2. CHECK HAZARD SWITCH SIGNAL OPEN CIRCUIT 1. Disconnect BCM connector. 2. Check continuity between hazard switch harness connector and BCM harness connector. Is the inspection result normal? YES >> GO TO 3. NO >> Repair or replace harness. 3. CHECK HAZARD SWITCH SIGNAL SHORT CIRCUIT Check continuity between hazard switch harness connector and ground. Is the inspection result normal? YES >> Replace BCM. Refer to BCS-75, "Removal and Installation" (with Intelligent Key system) or 135, "Removal and Installation" (without Intelligent Key system). NO >> Repair or replace harness. Monitor item Condition Monitor status HAZARD SW Hazard switch ON On OFF Off (+) ( −) Voltage (Approx.) Hazard switch Connector Terminal M26 2 Ground Battery voltage Hazard switch BCM Continuity Connector Terminal Connector Terminal M26 2 M18 11 Yes Hazard switch Ground Continuity Connector Terminal M26 2 No |