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C1116 STOP LAMP SWITCH BRC-45 < COMPONENT DIAGNOSIS > [VDC/TCS/ABS] C D E G H I J K L M A B BRC N O P C1116 STOP LAMP SWITCH Description INFOID:0000000005147995 The stop lamp switch transmits the stop lamp switch signal (ON/OFF) to the ABS actuator and electric unit (control unit). DTC Logic INFOID:0000000005147996 DTC DETECTION LOGIC DTC CONFIRMATION PROCEDURE 1. CHECK SELF-DIAGNOSIS RESULTS Check the self-diagnosis results. Is above displayed on the self-diagnosis display? YES >> Proceed to diagnosis procedure. Refer to . NO >> Inspection End Diagnosis Procedure INFOID:0000000005147997 Regarding Wiring Diagram information, refer to BRC-92, "Wiring Diagram - BRAKE CONTROL SYSTEM -" 1. CONNECTOR INSPECTION 1. Disconnect the ABS actuator and electric unit (control unit) connector and stop lamp switch connector. 2. Check the terminals for deformation, disconnection, looseness or damage. YES >> GO TO 2 NO >> Repair or replace as necessary. 2. STOP LAMP SWITCH INSPECTION 1. Connect the stop lamp switch connector. 2. Check the voltage between the ABS actuator and electric unit (control unit) connector E125 terminal 41 and body ground. Is the inspection result normal? YES >> Perform self-diagnosis again. If the same results appear, replace ABS actuator and electric unit (control unit). Refer to BRC-116, "Removal and Installation" NO >> GO TO 3 3. STOP LAMP RELAY CIRCUIT INSPECTION DTC Display item Malfunction detected condition Possible cause C1116 STOP LAMP SW When stop lamp switch circuit is open. • Harness or connector (control unit) Self-diagnosis results STOP LAMP SW Brake pedal applied : Battery voltage Brake pedal released : Approx. 0V AWFIA0019ZZ |