C1116
C1116 STOP LAMP SWITCH
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1. PRECONDITIONING
If "DTC CONFIRMATION PROCEDURE" has been previously conducted, always turn ignition switch OFF and wait at least 10 seconds before conducting the next test.
- GO TO 2.
2. CHECK DTC DETECTION
With CONSULT
1.Turn the ignition switch OFF to ON.
2.Perform self-diagnosis for "ABS".
Is DTC "C1116" detected?
YES- Proceed to diagnosis procedure. Refer 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
With CONSULT
1.Erase self-diagnosis result for "ABS".
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".
Is DTC "C1116" detected?
YES- GO TO 4.
NO- INSPECTION END
3. CHECK 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. Refer to "BODY SIDE : Diagnosis Procedure" Diagnosis Procedure.
4. CHECK DATA MONITOR (1)
With CONSULT
1.Erase self-diagnosis result for "ABS".
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. Check that data monitor displays "On" or "Off" when brake pedal is depress or release. Refer to "Reference Value" Pinout Values and Diagnostic Parameters.
5.Select "ABS", "DATA MONITOR" and "PRESS SENSOR" according to this order. Check that data monitor displays "5 bar" or less when brake pedal is depress. Refer to "Reference Value" 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 clearance. Refer to "Inspection and Adjustment" Adjustments.
Is the inspection result normal?
YES- GO TO 7.
NO- Adjust stop lamp switch clearance. Refer to "Inspection and Adjustment" Adjustments. GO TO 6.
6. CHECK DATA MONITOR (2)
With CONSULT
1.Erase self-diagnosis result for "ABS".
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. Check that data monitor displays "On" or "Off" when brake pedal is depress or release. Refer to "Reference Value" Pinout Values and Diagnostic Parameters.
5.Select "ABS", "DATA MONITOR" and "PRESS SENSOR" according to this order. Check that data monitor displays "5 bar" or less when brake pedal is depress. Refer to "Reference Value" 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. Refer to "Component Inspection (Stop lamp Switch)" .
Is the inspection result normal?
YES- GO TO 9.
NO- Repair or replace stop lamp switch. Refer to "Removal and Installation" Removal and Installation. GO TO 8.
8. CHECK DATA MONITOR (3)
With CONSULT
1.Erase self-diagnosis result for "ABS".
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. Check that data monitor displays "On" or "Off" when brake pedal is depress or release. Refer to "Reference Value" Pinout Values and Diagnostic Parameters.
5.Select "ABS", "DATA MONITOR" and "PRESS SENSOR" according to this order. Check that data monitor displays "5 bar" or less when brake pedal is depress. Refer to "Reference Value" Pinout Values and Diagnostic Parameters.
Is the inspection result normal?
YES- INSPECTION END
NO- GO TO 9.
9. CHECK CONNECTOR AND TERMINAL (1)
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)
With CONSULT
1.Erase self-diagnosis result for "ABS".
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. Check that data monitor displays "On" or "Off" when brake pedal is depress or release. Refer to "Reference Value" Pinout Values and Diagnostic Parameters.
5.Select "ABS", "DATA MONITOR" and "PRESS SENSOR" according to this order. Check that data monitor displays "5 bar" or less when brake pedal is depress. Refer to "Reference Value" Pinout Values and Diagnostic Parameters.
Is the inspection result normal?
YES- INSPECTION END
NO- GO TO 11.
11. CHECK STOP LAMP SWITCH POWER SUPPLY (1)
1.Disconnect ABS actuator and electric unit (control unit) harness connector.
2.Check voltage between ABS actuator and electric unit (control unit) harness connector and ground.
3.Turn the ignition switch ON.
CAUTION:
Never start engine.
4.Check voltage between ABS actuator and electric unit (control unit) harness connector and ground.
Is the inspection result normal?
YES- GO TO 16.
NO- GO TO 12.
12. CHECK STOP LAMP SWITCH CIRCUIT (1)
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.
4.Check continuity between ABS actuator and electric unit (control unit) harness connector and ground.
Is the inspection result normal?
YES- GO TO 13.
NO- Repair or replace error-detected parts.
13. CHECK STOP LAMP SWITCH POWER SUPPLY (2)
1.Check voltage between stop lamp switch harness connector and ground.
2.Turn the ignition switch ON.
CAUTION:
Never start engine.
3.Check voltage between stop lamp switch harness connector and ground.
Is the inspection result normal?
YES- Check pin terminals and connection of stop lamp switch harness connector for abnormal conditions. Repair or replace error-detected parts.
NO- GO TO 14.
14. CHECK STOP LAMP SWITCH CIRCUIT (2)
1.Turn the ignition switch OFF.
2.Check 10A fuse (#3).
3.Disconnect fuse block (J/B) harness connector.
4.Check fuse block (J/B) pin terminals for damage or loose connection with harness connector.
5.Check continuity between stop lamp switch harness connector and fuse block (J/B).
Is the inspection result normal?
YES- Perform trouble diagnosis for ignition power supply. Refer to "Wiring Diagram IGNITION POWER SUPPLY -" Ignition Power Supply.
NO- Repair or replace error-detected parts. GO TO 15.
15. CHECK DATA MONITOR (5)
With CONSULT
1.Connect ABS actuator and electric unit (control unit) harness connector.
2.Connect stop lamp switch harness connector.
3.Connect fuse block (J/B) harness connector.
4.Erase self-diagnosis result for "ABS".
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. Check that data monitor displays "On" or "Off" when brake pedal is depress or release. Refer to "Reference Value" Pinout Values and Diagnostic Parameters.
8.Select "ABS", "DATA MONITOR" and "PRESS SENSOR" according to this order. Check that data monitor displays "5 bar" or less when brake pedal is depress. Refer to "Reference Value" Pinout Values and Diagnostic Parameters.
Is the inspection result normal?
YES- INSPECTION END
NO- GO TO 16.
16. CHECK STOP LAMP SWITCH POWER SUPPLY (3)
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.
CAUTION:
Never start engine.
5.Check voltage between ABS actuator and electric unit (control unit) harness connector and ground.
Is the inspection result normal?
YES- GO TO 21.
NO- GO TO 17.
17. CHECK STOP LAMP SWITCH CIRCUIT (3)
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.
4.Check continuity between ABS actuator and electric unit (control unit) harness connector and ground.
Is the inspection result normal?
YES- GO TO 18.
NO- Repair or replace error-detected parts.
18. CHECK STOP LAMP SWITCH POWER SUPPLY (4)
1.Check voltage between stop lamp switch harness connector and ground.
2.Turn the ignition switch ON.
CAUTION:
Never start engine.
3.Check voltage between stop lamp switch harness connector and ground.
Is the inspection result normal?
YES- Check pin terminals and connection of stop lamp switch harness connector for abnormal conditions. Repair or replace error-detected parts.
NO- GO TO 19.
19. CHECK STOP LAMP SWITCH CIRCUIT (4)
1.Turn the ignition switch OFF.
2.Check 10A fuse (#7).
3.Disconnect fuse block (J/B) harness connector.
4.Check fuse block (J/B) pin terminals for damage or loose connection with harness connector.
5.Check continuity between stop lamp switch harness connector and fuse block (J/B).
Is the inspection result normal?
YES- Perform trouble diagnosis for battery power supply. Refer to "Wiring Diagram BATTERY POWER SUPPLY -" Battery Power Supply.
NO- Repair or replace error-detected parts. GO TO 20.
20. CHECK DATA MONITOR (6)
With CONSULT
1.Connect ABS actuator and electric unit (control unit) harness connector.
2.Connect stop lamp switch harness connector.
3.Connect fuse block (J/B) harness connector.
4.Erase self-diagnosis result for "ABS".
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. Check that data monitor displays "On" or "Off" when brake pedal is depress or release. Refer to "Reference Value" Pinout Values and Diagnostic Parameters.
8.Select "ABS", "DATA MONITOR" and "PRESS SENSOR" according to this order. Check that data monitor displays "5 bar" or less when brake pedal is depress. Refer to "Reference Value" Pinout Values and Diagnostic Parameters.
Is the inspection result normal?
YES- INSPECTION END
NO- GO TO 21.
21. CHECK STOP LAMP RELAY
Check stop lamp relay. Refer to "Component Inspection (Stop Lamp Relay)" .
Is the inspection result normal?
YES- GO TO 22.
NO- Repair or replace stop lamp relay. GO TO 22.
22. CHECK CONNECTOR AND TERMINAL (2)
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 relay harness connector.
6.Check stop lamp relay harness connector for disconnection or looseness.
7.Check stop lamp relay pin terminals for damage or loose connection with harness connector.
Is the inspection result normal?
YES- GO TO 23.
NO- Repair or replace error-detected parts. GO TO 23.
23. CHECK STOP LAMP RELAY POWER SUPPLY (1)
1.Turn the ignition switch OFF.
2.Check voltage between ABS actuator and electric unit (control unit) harness connector and ground.
3.Turn the ignition switch ON.
CAUTION:
Never start engine.
4.Check voltage between ABS actuator and electric unit (control unit) harness connector and ground.
Is the inspection result normal?
YES- GO TO 27.
NO- GO TO 24.
24. CHECK STOP LAMP RELAY CIRCUIT (1)
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 ground.
Is the inspection result normal?
YES- GO TO 25.
NO- Repair or replace error-detected parts.
25. CHECK STOP LAMP RELAY POWER SUPPLY (2)
1.Turn the ignition switch OFF.
2.Check voltage between stop lamp relay harness connector and ground.
3.Turn the ignition switch ON.
CAUTION:
Never start engine.
4.Check voltage between stop lamp relay harness connector and ground.
Is the inspection result normal?
YES- Check pin terminals and connection of stop lamp relay harness connector for abnormal conditions. Repair or replace error-detected parts.
NO- GO TO 26.
26. CHECK STOP LAMP RELAY CIRCUIT (2)
1.Turn the ignition switch OFF.
2.Check 10A fuse (#57).
3.Disconnect IPDM E/R harness connector.
4.Check IPDM E/R pin terminals for damage or loose connection with harness connector.
5.Check continuity between stop lamp relay harness connector and IPDM E/R harness connector.
Is the inspection result normal?
YES- Perform trouble diagnosis for ignition power supply. Refer to "Wiring Diagram IGNITION POWER SUPPLY -" Ignition Power Supply.
NO- Repair or replace error-detected parts. GO TO 27.
27. CHECK STOP LAMP RELAY POWER SUPPLY (3)
1.Turn the ignition switch OFF.
2.Check voltage between ABS actuator and electric unit (control unit) harness connector and ground.
3.Turn the ignition switch ON.
CAUTION:
Never start engine.
4.Check voltage between stop lamp relay harness connector and ground.
Is the inspection result normal?
YES- Replace ABS actuator and electric unit (control unit). Refer to "Removal and Installation" Service and Repair.
NO- GO TO 28.
28. CHECK STOP LAMP RELAY 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 ground.
Is the inspection result normal?
YES- GO TO 29.
NO- Repair or replace error-detected parts.
29. CHECK STOP LAMP RELAY POWER SUPPLY (4)
1.Check voltage between stop lamp relay harness connector and ground.
2.Turn the ignition switch ON.
CAUTION:
Never start engine.
3.Check voltage between stop lamp relay harness connector and ground.
Is the inspection result normal?
YES- Check pin terminals and connection of stop lamp relay harness connector for abnormal conditions. Repair or replace error-detected parts.
NO- GO TO 30.
30. CHECK STOP LAMP RELAY CIRCUIT (4)
1.Check 10A fuse (#7).
2.Disconnect fuse block (J/B) harness connector.
3.Check fuse block (J/B) pin terminals for damage or loose connection with harness connector.
4.Check continuity between stop lamp relay harness connector and fuse block (J/B).
Is the inspection result normal?
YES- Perform trouble diagnosis for battery power supply. Refer to "Wiring Diagram BATTERY POWER SUPPLY -" Battery Power Supply.
NO- Repair or replace error-detected parts.
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 when stop lamp switch is operated.
Is the inspection result normal?
YES- INSPECTION END
NO- Replace stop lamp switch. Refer to "Removal and Installation" Removal and Installation.
Component Inspection (Stop Lamp Relay)
1. CHECK STOP LAMP RELAY
1.Apply 12 V to stop lamp relay connector terminal (1 and 2).
CAUTION:
- Never make the terminals short.
- Connect the fuse between the terminals when applying the voltage.
2.Check continuity between stop lamp relay connector terminals.
3.Check resistance between stop lamp relay connector terminals.
Is the inspection result normal?
YES- INSPECTION END
NO- Replace stop lamp relay.