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. PRECONDITIONING
If "DTC CONFIRMATION PROCEDURE" has been previously conducted, always turn the ignition switch OFF
and wait at least 10 seconds before conducting the next test.
- GO TO 2.
2. DTC REPRODUCTION PROCEDURE
1.Turn the ignition switch OFF to ON.
2.Perform self-diagnosis for "ABS" with CONSULT.
Is DTC "C1116" detected?
YES- Proceed to 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.
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.
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. GO TO 4.
- Xenon type: Xenon Type.
- Halogen type: Halogen Type.
4. CHECK DATA MONITOR (1)
1.Erase self-diagnosis result for "ABS" with CONSULT.
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. Check that data monitor displays "On" or "Off" when brake pedal is depress or release. VDC/TCS/ABS Actuator And Electric Unit (Control Unit).
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. Adjustments.
Is the inspection result normal?
YES- GO TO 7.
NO- Adjust stop lamp switch clearance. Adjustments. GO TO 6.
6. CHECK DATA MONITOR (2)
1.Erase self-diagnosis result for "ABS" with CONSULT.
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. Check that data monitor displays "On" or "Off" when brake pedal is depress or release. VDC/TCS/ABS Actuator And Electric Unit (Control Unit).
Is the inspection result normal?
YES- INSPECTION END
NO- GO TO 7.
7. CHECK STOP LAMP SWITCH
Check stop lamp switch. .
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.
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. Check that data monitor displays "On" or "Off" when brake pedal is depress or release. VDC/TCS/ABS Actuator And Electric Unit (Control Unit).
Is the inspection result normal?
YES- INSPECTION END
NO- GO TO 9.
9. CHECK STOP LAMP RELAY
Check stop lamp relay. .
Is the inspection result normal?
YES- GO TO 11.
NO- Replace stop lamp relay. GO TO 10.
10. CHECK DATA MONITOR (4)
1.Erase self-diagnosis result for "ABS" with CONSULT.
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. Check that data monitor displays "On" or "Off" when brake pedal is depress or release. VDC/TCS/ABS Actuator And Electric Unit (Control Unit).
Is the inspection result normal?
YES- INSPECTION END
NO- GO TO 11.
11. 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.
8.Disconnect stop lamp relay harness connector.
9.Check stop lamp relay harness connector for disconnection or looseness.
10.Check stop lamp relay pin terminals for damage or loose connection with harness connector.
Is the inspection result normal?
YES- GO TO 13.
NO- Repair or replace error-detected parts. GO TO 12.
12. CHECK DATA MONITOR (5)
1.Connect ABS actuator and electric unit (control unit) harness connector.
2.Connect stop lamp switch harness connector.
3.Connect stop lamp relay harness connector.
4.Erase self-diagnosis result for "ABS" with CONSULT.
5.Turn the ignition switch OFF, and wait 10 seconds or more.
6.Start the engine.
CAUTION:
Never start the vehicle.
7.Select "ABS", "DATA MONITOR" and "STOP LAMP SW" according to this order with CONSULT. Check that data monitor displays "On" or "Off" when brake pedal is depress or release. VDC/TCS/ABS Actuator And Electric Unit (Control Unit).
Is the inspection result normal?
YES- INSPECTION END
NO- GO TO 13.
13. 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). VDC/TCS/ABS.
NO- Repair or replace error-detected parts. GO TO 14.
14. CHECK STOP LAMP SWITCH CIRCUIT (2)
1.Disconnect stop lamp switch harness connector.
2.Check voltage between stop lamp switch harness connector and ground.
Is the inspection result normal?
YES- GO TO 15.
NO- Repair or replace error-detected parts. GO TO 15.
15. CHECK STOP LAMP SWITCH CIRCUIT (3)
1.Turn the ignition switch OFF.
2.Disconnect stop lamp relay harness connector.
3.Check continuity between ABS actuator and electric unit (control unit) harness connector and stop lamp relay harness connector.
4.Check continuity between ABS actuator and electric unit (control unit) harness connector and the ground.
Is the inspection result normal?
YES- GO TO 16.
NO- Repair or replace error-detected parts. GO TO 16.
16. CHECK STOP LAMP SWITCH CIRCUIT (4)
Check continuity and short circuit between stop lamp relay harness connector terminal (3) and 10 A fuse (11).
Is the inspection result normal?
YES- GO TO 17.
NO- Repair or replace error-detected parts. GO TO 17.
17. CHECK STOP LAMP SWITCH CIRCUIT (5)
1.Check continuity between stop lamp switch harness connector and stop lamp relay harness connector.
2.Check continuity between ABS actuator and electric unit (control unit) harness connector and the ground.
Is the inspection result normal?
YES- GO TO 18.
NO- Repair or replace error-detected parts. GO TO 18.
18. CHECK DATA MONITOR (6)
1.Connect ABS actuator and electric unit (control unit) harness connector.
2.Connect stop lamp switch harness connector.
3.Connect stop lamp relay harness connector.
4.Erase self-diagnosis result for "ABS" with CONSULT.
5.Turn the ignition switch OFF, and wait 10 seconds or more.
6.Start the engine.
CAUTION:
Never start the vehicle.
7.Select "ABS", "DATA MONITOR" and "STOP LAMP SW" according to this order with CONSULT. Check that data monitor displays "On" or "Off" when brake pedal is depress or release. VDC/TCS/ABS Actuator And Electric Unit (Control Unit).
Is the inspection result normal?
YES- INSPECTION END
NO- Replace ABS actuator and electric unit (control unit). VDC/TCS/ABS.
Component Inspection (Stop Lamp Switch)
1. CHECK STOP LAMP SWITCH
1.Turn the ignition switch OFF.
2.Disconnect stop lamp switch harness connector.
3.Check continuity between stop lamp switch connector terminals.
Is the inspection result normal?
YES- INSPECTION END
NO- Replace stop lamp switch. Exploded View.
Component Inspection (Stop Lamp Relay)
1. CHECK STOP LAMP RELAY
1.Turn the ignition switch OFF.
2.Disconnect stop lamp relay harness connector.
3.Apply 12 V to stop lamp relay connector terminal (2 and 1).
CAUTION:
- Never make the terminals short.
- Connect the fuse between the terminals when applying the voltage.
4.Check continuity between stop lamp relay connector terminals.
5.Check resistance between stop lamp relay connector terminals.
Is the inspection result normal?
YES- INSPECTION END
NO- Replace stop lamp relay.
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. Refer to BRC76, "ADJUSTMENT OF STEERING ANGLE SENSOR NEUTRAL POSITION : Special Repair Requirement".
- END