C1116

C1116 STOP LAMP SWITCH





Description
The stop lamp switch transmits the stop lamp switch signal (ON/OFF) to the ABS actuator and electric unit
(control unit).




DTC Logic

DTC DETECTION LOGIC






DTC CONFIRMATION PROCEDURE
1.DTC REPRODUCTION PROCEDURE
1. Turn the ignition switch ON.
2. Perform self-diagnosis for "ABS" with CONSULT-III.
Is DTC "C1116" detected?
YES - Proceed to diagnosis procedure. C1116.
NO - INSPECTION END




Diagnosis Procedure
1.CHECK CONNECTOR
1. Turn the ignition switch OFF.
2. Disconnect ABS actuator and electric unit (control unit) harness connector.
3. Disconnect stop lamp switch harness connector.
4. Check terminal for deformation, disconnection, looseness, etc.
5. Reconnect ABS actuator and electric unit (control unit) and stop lamp switch connectors securely.
6. Start the engine.
7. Repeat pumping brake pedal carefully several times, and perform self-diagnosis for "ABS" with CONSULT-III.
Is the inspection result normal?
YES - GO TO 2.
NO - Poor connection of connector terminal. Repair or replace error-detected.
2.CHECK STOP LAMP SWITCH CLEARANCE
Check stop lamp switch clearance. Inspection and Adjustment.
Is the inspection result normal?
YES - GO TO 3.
NO - Adjust stop lamp switch clearance. Inspection and Adjustment.
3.CHECK STOP LAMP SWITCH SIGNAL
1. Turn the ignition switch OFF.
2. Disconnect ABS actuator and electric unit (control unit) harness connector.
3. 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). Exploded View.
NO - GO TO 4.
4.CHECK STOP LAMP SWITCH
Check stop lamp switch. C1116.
Is the inspection result normal?
YES - GO TO 5.
NO - Repair stop lamp switch. Exploded View.
5.CHECK STOP LAMP SWITCH CIRCUIT (1)
Check the continuity between stop lamp switch harness connector and ABS actuator electric unit (control unit) harness connector.





Is the inspection result normal?
YES - GO TO 6.
NO - Repair or replace error-detected parts.
6.CHECK STOP LAMP SWITCH CIRCUIT (2)
1. Check the 10A fuse (#7).
2. Check the continuity between stop lamp switch harness connector and battery positive terminal.
3. Disconnect fuse block connector M1.
4. Check the harness for open between stop lamp switch harness connector and fuse block harness connector.





Is the inspection result normal?
YES - Perform the trouble diagnosis for power supply circuit. Battery Power Supply.
NO - Repair or replace error-detected parts.




Component Inspection
1.CHECK STOP LAMP SWITCH
1. Turn the ignition switch OFF.
2. Disconnect stop lamp switch harness connector.
3. Check the continuity between stop lamp switch harness connector terminals.





Is the inspection result normal?
YES - INSPECTION END
NO - Replace stop lamp switch. Exploded View.




Special Repair Requirement
1.ADJUSTMENT OF STEERING ANGLE SENSOR NEUTRAL POSITION
Always perform the neutral position adjustment for the steering angle sensor, when replacing the ABS actuator and electric unit (control unit) or steering angle sensor and removing steering angle sensor. Special Repair Requirement
- END