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C1116 STOP LAMP SWITCH BRC-51 < 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:0000000003132908 The stop lamp switch transmits the stop lamp switch signal (ON/OFF) to the ABS actuator and electric unit DTC Logic INFOID:0000000003132909 DTC DETECTION LOGIC DTC CONFIRMATION PROCEDURE 1. DTC REPRODUCTION PROCEDURE 1. Turn the ignition switch ON. 2. Perform ABS actuator and electric unit (control unit) self-diagnosis. Is DTC “C1116” detected? YES >> Proceed to diagnosis procedure. Refer to . NO >> INSPECTION END Diagnosis Procedure INFOID:0000000003132910 1. CHECK CONNECTOR 1. Turn the ignition switch OFF. 2. Disconnect ABS actuator and electric unit (control unit) connector. 3. Disconnect stop lamp switch connector. 4. Check terminal for deformation, disconnection, looseness, etc. Is the inspection result normal? YES >> GO TO 2. NO >> Repair or replace damaged parts. 2. CHECK STOP LAMP SWITCH Check stop lamp switch. Refer to BRC-51, "Component Inspection" Is the inspection result normal? YES >> GO TO 3. NO >> Replace stop lamp switch. 3. CHECK STOP LAMP SWITCH CIRCUIT Check the voltage between ABS actuator and electric unit (control unit) harness connector and ground. Is the inspection result normal? YES >> Replace ABS actuator and electric unit (control unit). NO >> Repair or replace damaged parts. Component Inspection INFOID:0000000003132911 1. CHECK STOP LAMP SWITCH DTC Display item Malfunction detected condition Possible cause C1116 STOP LAMP SW When stop lamp switch circuit is open. • Harness or connector (control unit) ABS actuator and electric unit (control unit) Condition Voltage Connector Terminal E41 30 Brake pedal is depressed Battery voltage Brake pedal is released Approx. 0 V |