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.CHECK SELF-DIAGNOSIS RESULTS
Check the self-diagnosis results.

Is above displayed on the self-diagnosis display?
YES - Proceed to diagnosis procedure. C1116.
NO - Inspection End

Diagnosis Procedure
Regarding Wiring Diagram information, Electrical Diagrams.
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.
Is the inspection result normal?
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.

Brake pedal applied : Battery voltage (approx. 12V)
Brake pedal released : Approx. 0V

Is the inspection result normal?
YES - Perform self-diagnosis again. If the same results appear, replace ABS actuator and electric unit (control unit). Service and Repair.
NO - GO TO 3
3.STOP LAMP RELAY CIRCUIT INSPECTION

1. Disconnect the stop lamp relay harness connector E12.
2. Check the continuity between the ABS actuator and electric unit
(control unit) connector E125 (B) terminal 41 and stop lamp relay connector E12 (A) terminal 4.

Continuity should exist.

Is the inspection result normal?
YES - Exterior Lighting.
NO - Repair or replace malfunctioning components.

Special Repair Requirement
1.ADJUSTMENT OF STEERING ANGLE SENSOR NEUTRAL POSITION
Always perform neutral position adjustment for the steering angle sensor when replacing the ABS actuator and electric unit (control unit). Description.
- GO TO 2
2.CALIBRATION OF DECEL G SENSOR
Always perform calibration of decel G sensor when replacing the ABS actuator and electric unit (control unit). Description.
- END