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. SEE Diagnosis Procedure.
NO - INSPECTION END




Diagnosis Procedure

NOTE:
DTC "C1116" may be detected when the brake pedal and the accelerator pedal are simultaneously depressed for 1 minute or more while driving the vehicle. This is not a malfunction.
1.INTERVIEW FROM THE CUSTOMER
Check if the brake pedal and the accelerator pedal are simultaneously depressed for 1 minute or more while driving the vehicle.
Is there such a history?
YES - GO TO 2.
NO - GO TO 3.
2.PERFORM SELF-DIAGNOSIS
1. Erase Self-diagnosis result for "ABS" with CONSULT-III.
2. Turn the ignition switch OFF, and wait 10 seconds or more.
3. Start the engine.

CAUTION:
Never start the vehicle.
4. Depress the brake pedal several times.
5. Perform self-diagnosis for "ABS" with CONSULT-III.
Is DTC "C1116" detected?
YES - GO TO 3.
NO - INSPECTION END
3.STOP LAMP FOR ILLUMINATION
Depress brake pedal and check that stop lamp turns ON.
Does stop lamp turn ON?
YES - GO TO 5.
NO - Check stop lamp system. [1][2]Body Control Systems. GO TO 4.
4.CHECK DATA MONITOR (1)
1. Erase Self-diagnosis result for "ABS" with CONSULT-III.
2. Turn the ignition switch OFF, and wait 10 seconds or more.
3. Start the engine.

CAUTION:
Never start the vehicle.
4. Select "ABS", "DATA MONITOR" and "STOP LAMP SW" according to this order with CONSULT-III. Check that data monitor displays "On" or "Off" when brake pedal is depress or release. Pinout Values and Diagnostic Parameters.
5. Select "ABS", "DATA MONITOR" and "pressure sensor" according to this order. Check that data monitor displays "5 bar" or less when brake pedal is depress. Pinout Values and Diagnostic Parameters.
Is the inspection result normal?
YES - INSPECTION END
NO - GO TO 5.
5.CHECK STOP LAMP SWITCH CLEARANCE
1. Turn the ignition switch OFF.
2. Check stop lamp switch clearance. Inspection and Adjustment.
Is the inspection result normal?
YES - GO TO 7.
NO - Adjust stop lamp switch clearance. Inspection and Adjustment. GO TO 6.
6.CHECK DATA MONITOR (2)
1. Erase Self-diagnosis result for "ABS" with CONSULT-III.
2. Turn the ignition switch OFF, and wait 10 seconds or more.
3. Start the engine.

CAUTION:
Never start the vehicle.
4. Select "ABS", "DATA MONITOR" and "STOP LAMP SW" according to this order with CONSULT-III. Check that data monitor displays "On" or "Off" when brake pedal is depress or release. Pinout Values and Diagnostic Parameters.
5. Select "ABS", "DATA MONITOR" and "pressure sensor" according to this order. Check that data monitor displays "5 bar" or less when brake pedal is depress. Pinout Values and Diagnostic Parameters.
Is the inspection result normal?
YES - INSPECTION END
NO - GO TO 7.
7.CHECK STOP LAMP SWITCH
Check stop lamp switch. SEE Component Inspection.
Is the inspection result normal?
YES - GO TO 9.
NO - Replace stop lamp switch. Exploded View. GO TO 8.
8.CHECK DATA MONITOR (3)
1. Erase Self-diagnosis result for "ABS" with CONSULT-III.
2. Turn the ignition switch OFF, and wait 10 seconds or more.
3. Start the engine.

CAUTION:
Never start the vehicle.
4. Select "ABS", "DATA MONITOR" and "STOP LAMP SW" according to this order with CONSULT-III. Check that data monitor displays "On" or "Off" when brake pedal is depress or release. Pinout Values and Diagnostic Parameters.
5. Select "ABS", "DATA MONITOR" and "pressure sensor" according to this order. Check that data monitor displays "5 bar" or less when brake pedal is depress. Pinout Values and Diagnostic Parameters.
Is the inspection result normal?
YES - INSPECTION END
NO - GO TO 9.
9.CHECK CONNECTOR AND TERMINAL
1. Turn the ignition switch OFF.
2. Disconnect ABS actuator and electric unit (control unit) harness connector.
3. Check ABS actuator and electric unit (control unit) harness connector for disconnection or looseness.
4. Check ABS actuator and electric unit (control unit) pin terminals for damage or loose connection with harness connector.
5. Disconnect stop lamp switch harness connector.
6. Check stop lamp switch harness connector for disconnection or looseness.
7. Check stop lamp switch pin terminals for damage or loose connection with harness connector.
Is the inspection result normal?
YES - GO TO 11.
NO - Repair or replace error-detected parts. GO TO 10.
10.CHECK DATA MONITOR (4)
1. Connect ABS actuator and electric unit (control unit) harness connector.
2. Connect stop lamp switch harness connector.
3. Erase Self-diagnosis result for "ABS" with CONSULT-III.
4. Turn the ignition switch OFF, and wait 10 seconds or more.
5. Start the engine.

CAUTION:
Never start the vehicle.
6. Select "ABS", "DATA MONITOR" and "STOP LAMP SW" according to this order with CONSULT-III. Check that data monitor displays "On" or "Off" when brake pedal is depress or release. Pinout Values and Diagnostic Parameters.
7. Select "ABS", "DATA MONITOR" and "pressure sensor" according to this order. Check that data monitor displays "5 bar" or less when brake pedal is depress. Pinout Values and Diagnostic Parameters.
Is the inspection result normal?
YES - INSPECTION END
NO - GO TO 11.
11.CHECK STOP LAMP SWITCH CIRCUIT (1)
1. Turn the ignition switch OFF.
2. Disconnect ABS actuator and electric unit (control unit) harness connector.
3. Check voltage between ABS actuator and electric unit (control unit) harness connector and ground.





4. Turn the ignition switch ON.
5. Check 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 VDC/TCS/ABS.
NO - Repair or replace error-detected parts. GO TO 12.
12.CHECK STOP LAMP SWITCH CIRCUIT (2)
1. Turn the ignition switch OFF.
2. Disconnect stop lamp switch harness connector.
3. Check continuity between ABS actuator and electric unit (control unit) harness connector and stop lamp switch harness connector.





*1: With ICC
*2: Without ICC
4. Check continuity between ABS actuator and electric unit (control unit) harness connector and the ground.





Is the inspection result normal?
YES - Replace ABS actuator and electric unit (control unit). Exploded View VDC/TCS/ABS.
NO - Repair or replace error-detected parts. GO TO 13.
13.CHECK DATA MONITOR (5)
1. Connect ABS actuator and electric unit (control unit) harness connector.
2. Connect stop lamp switch harness connector.
3. Erase Self-diagnosis result for "ABS" with CONSULT-III.
4. Turn the ignition switch OFF, and wait 10 seconds or more.
5. Start the engine.

CAUTION:
Never start the vehicle.
6. Select "ABS", "DATA MONITOR" and "STOP LAMP SW" according to this order with CONSULT-III. Check that data monitor displays "On" or "Off" when brake pedal is depress or release. Pinout Values and Diagnostic Parameters.
7. Select "ABS", "DATA MONITOR" and "pressure sensor" according to this order. Check that data monitor displays "5 bar" or less when brake pedal is depress. Pinout Values and Diagnostic Parameters.
Is the inspection result normal?
YES - INSPECTION END
NO - Replace ABS actuator and electric unit (control unit). Exploded View VDC/TCS/ABS.




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