C1A67
DTC Logic
DTC DETECTION LOGIC
DTC REPRODUCTION PROCEDURE
1. PRECONDITIONING
If "DTC CONFIRMATION PROCEDURE" has been previously conducted, always turn power 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 power switch OFF to ON.
CAUTION:
Never engage READY state.
2.Repeat step 1 two or more times.
CAUTION:
Be sure to wait for 5 seconds or more after turning the power switch OFF.
3.Turn the power switch OFF.
4.Get out of the vehicle, close all doors (including back door), and wait for 3 minutes or more.
5.Turn the power switch ON.
CAUTION:
Never engage READY state.
6.Erase self-diagnosis result of "BRAKE".
CAUTION:
After erasing self-diagnosis results, turn the power switch OFF, get out of the vehicle, close all doors (including back door), and wait for 3 minutes or more.
7.Depress brake pedal by 100 mm (3.94 in) or more, and hold the position for 5 seconds or more.
8.Release brake pedal.
9.Repeat steps 7 to 8 three times.
10.Perform "BRAKE" self-diagnosis.
Is DTC "C1A67" detected?
YES- Proceed to "Diagnosis Procedure" .
NO- INSPECTION END
Diagnosis Procedure
1. CHECK STOP LAMP FOR ILLUMINATION (1)
Depress the brake pedal to a depth of 100 mm (3.94 in) or more and maintain the brake depression for 5 seconds or more to check that the stop lamp turns ON.
Is the inspection result normal?
YES- GO TO 2.
NO- Repair or replace error-detected parts and GO TO 4.
2. CHECK STOP LAMP SWITCH CIRCUIT (1)
1.Turn the power switch OFF.
2.Get out of the vehicle and close all doors (including back door).
3.Disconnect 12V battery cable from negative terminal. Refer to "Precaution for Removing 12V Battery" Precaution For Removing 12V Battery.
4.Disconnect the electrically-driven intelligent brake unit harness connector.
5.Connect 12V battery cable to negative terminal.
6.Check the voltage between the electrically-driven intelligent brake unit harness connector and ground.
7.Turn the power switch ON.
CAUTION:
Never engage READY state.
8.Check the voltage between the electrically-driven intelligent brake unit harness connector and ground.
Is the inspection result normal?
YES- GO TO 3.
NO- GO TO 4.
3. CHECK STOP LAMP SWITCH CIRCUIT (2)
1.Turn the power switch OFF.
2.Get out of the vehicle and close all doors (including back door).
3.Disconnect 12V battery cable from negative terminal. Refer to "Precaution for Removing 12V Battery" Precaution For Removing 12V Battery.
4.Disconnect stop lamp switch harness connector.
5.Check the continuity between electrically-driven intelligent brake unit and stop lamp switch harness connector.
Is the inspection result normal?
YES- Perform trouble diagnosis for 12V battery power supply. Refer to "Wiring Diagram BATTERY POWER SUPPLY -" Battery Power Supply.
NO- Repair or replace error-detected parts and GO TO 4.
4. CHECK 12V BATTERY
1.Turn the power switch OFF.
2.Get out of the vehicle and close all doors (including back door).
3.Check the 12V battery terminal connections. Refer to "Precaution for Removing 12V Battery" Precaution For Removing 12V Battery and
"Work Flow" Testing and Inspection.
4.Check the 12V battery. Refer to "Work Flow" Testing and Inspection.
Is the inspection result normal?
YES- GO TO 5.
NO- Repair or replace error-detected parts and GO TO 5.
5. PERFORM SELF-DIAGNOSIS (1)
With CONSULT
1.Connect 12V battery cable to negative terminal.
2.Turn the power switch OFF to ON.
CAUTION:
Never engage READY state.
3.Repeat step 2 two or more times.
CAUTION:
Be sure to wait for 5 seconds or more after turning the power switch OFF.
4.Turn the power switch OFF.
5.Get out of the vehicle, close all doors (including back door), and wait for 3 minutes or more.
6.Turn the power switch ON.
CAUTION:
Never engage READY state.
7.Erase self-diagnosis result of "BRAKE".
CAUTION:
After erasing self-diagnosis results, turn the power switch OFF, get out of the vehicle, close all doors (including back door), and wait for 3 minutes or more.
8.Depress brake pedal by 100 mm (3.94 in) or more, and hold the position for 5 seconds or more.
9.Release brake pedal.
10.Repeat steps 8 to 9 three times.
11.Perform "BRAKE" self-diagnosis.
Is DTC "C1A67" detected?
YES- GO TO 6.
NO- INSPECTION END
6. CHECK CONNECTOR TERMINALS
1.Turn the power switch OFF.
2.Get out of the vehicle and close all doors (including back door).
3.Disconnect 12V battery cable from negative terminal. Refer to "Precaution for Removing 12V Battery" Precaution For Removing 12V Battery.
4.Disconnect the electrically-driven intelligent brake unit harness connector, then check for failures of pin terminals and connections.
5.Check that there is no malfunction in pin terminals and connection of stop lamp switch harness connector.
Is the inspection result normal?
YES- GO TO 8.
NO- Repair or replace error-detected parts and GO TO 7.
7. PERFORM SELF-DIAGNOSIS (2)
With CONSULT
1.Connect the electrically-driven intelligent brake unit harness connector.
2.Connect stop lamp switch harness connector.
3.Connect 12V battery cable to negative terminal.
4.Turn the power switch OFF to ON.
CAUTION:
Never engage READY state.
5.Repeat step 4 two or more times.
CAUTION:
Be sure to wait for 5 seconds or more after turning the power switch OFF.
6.Turn the power switch OFF.
7.Get out of the vehicle, close all doors (including back door), and wait for 3 minutes or more.
8.Turn the power switch ON.
CAUTION:
Never engage READY state.
9.Erase self-diagnosis result of "BRAKE".
CAUTION:
After erasing self-diagnosis results, turn the power switch OFF, get out of the vehicle, close all doors (including back door), and wait for 3 minutes or more.
10.Depress brake pedal by 100 mm (3.94 in) or more, and hold the position for 5 seconds or more.
11.Release brake pedal.
12.Repeat steps 10 to 11 three times.
13.Perform "BRAKE" self-diagnosis.
Is DTC "C1A67" detected?
YES- GO TO 8.
NO- INSPECTION END
8. CHECK POWER SWITCH ON POWER SUPPLY
1.Connect stop lamp switch harness connector.
2.Turn the power switch OFF.
3.Get out of the vehicle and close all doors (including back door).
4.Disconnect 12V battery cable from negative terminal. Refer to "Precaution for Removing 12V Battery" Precaution For Removing 12V Battery.
5.Disconnect the electrically-driven intelligent brake unit harness connector.
6.Connect 12V battery cable to negative terminal.
7.Check the voltage between the electrically-driven intelligent brake unit harness connector and ground.
8.Turn the power switch ON.
CAUTION:
Never engage READY state.
9.Check the voltage between the electrically-driven intelligent brake unit harness connector and ground.
Is the inspection result normal?
YES- GO TO 11.
NO- GO TO 9.
9. CHECK POWER SWITCH ON POWER SUPPLY CIRCUIT
1.Turn the power switch OFF.
2.Get out of the vehicle and close all doors (including back door).
3.Disconnect 12V battery cable from negative terminal. Refer to "Precaution for Removing 12V Battery" Precaution For Removing 12V Battery.
4.Check the 15A fuse (#62).
5.Disconnect IPDM E/R harness connector.
6.Check the continuity between electrically-driven intelligent brake unit and IPDM E/R.
7.Check the continuity between electrically-driven intelligent brake unit harness connector and ground.
Is the inspection result normal?
YES- Perform trouble diagnosis for power ON power supply. Refer to "Wiring Diagram ON POWER SUPPLY -" On Power Supply.
NO- Repair or replace error-detected parts and GO TO 10.
10. PERFORM SELF-DIAGNOSIS (3)
With CONSULT
1.Connect the electrically-driven intelligent brake unit harness connector.
2.Connect IPDM E/R harness connector.
3.Connect stop lamp switch harness connector.
4.Connect 12V battery cable to negative terminal.
5.Turn the power switch OFF to ON.
CAUTION:
Never engage READY state.
6.Repeat step 5 two or more times.
CAUTION:
Be sure to wait for 5 seconds or more after turning the power switch OFF.
7.Turn the power switch OFF.
8.Get out of the vehicle, close all doors (including back door), and wait for 3 minutes or more.
9.Turn the power switch ON.
CAUTION:
Never engage READY state.
10.Erase self-diagnosis result of "BRAKE".
CAUTION:
After erasing self-diagnosis results, turn the power switch OFF, get out of the vehicle, close all doors (including back door), and wait for 3 minutes or more.
11.Depress brake pedal by 100 mm (3.94 in) or more, and hold the position for 5 seconds or more.
12.Release brake pedal.
13.Repeat steps 11 to 12 three times.
14.Perform "BRAKE" self-diagnosis.
Is DTC "C1A67" detected?
YES- GO TO 11.
NO- INSPECTION END
11. CHECK 12V BATTERY POWER SUPPLY
1.Turn the power switch OFF.
2.Get out of the vehicle and close all doors (including back door).
3.Disconnect 12V battery cable from negative terminal. Refer to "Precaution for Removing 12V Battery" Precaution For Removing 12V Battery.
4.Disconnect the electrically-driven intelligent brake unit harness connector.
5.Connect 12V battery cable to negative terminal.
6.Check the voltage between the electrically-driven intelligent brake unit harness connector terminals.
7.Turn the power switch ON.
CAUTION:
Never engage READY state.
8.Check the voltage between the electrically-driven intelligent brake unit harness connector terminals.
Is the inspection result normal?
YES- GO TO 15.
NO- GO TO 12.
12. CHECK 12V BATTERY POWER SUPPLY CIRCUIT
1.Turn the power switch OFF.
2.Get out of the vehicle and close all doors (including back door).
3.Disconnect 12V battery cable from negative terminal. Refer to "Precaution for Removing 12V Battery" Precaution For Removing 12V Battery.
4.Check the 60A fusible link (#F).
5.Check the continuity and for short circuit between harness connector terminal 1 of electrically-driven intelligent brake unit and 60A fusible link (#F).
6.Check the continuity and for short circuit between harness connector terminal 2 of electrically-driven intelligent brake unit and 60A fusible link (#F).
7.Check the 10A fuse (#78).
8.Check the continuity and for short circuit between harness connector terminal 11 of electrically-driven intelligent brake unit and 10A fuse (#78).
Is the inspection result normal?
YES- Perform trouble diagnosis for 12V battery power supply. Refer to "Wiring Diagram BATTERY POWER SUPPLY -" Battery Power Supply.
NO- Repair or replace error-detected parts and GO TO 13.
13. PERFORM SELF-DIAGNOSIS (4)
With CONSULT
1.Connect the electrically-driven intelligent brake unit harness connector.
2.Connect 12V battery cable to negative terminal.
3.Turn the power switch OFF to ON.
CAUTION:
Never engage READY state.
4.Repeat step 3 two or more times.
CAUTION:
Be sure to wait for 5 seconds or more after turning the power switch OFF.
5.Turn the power switch OFF.
6.Get out of the vehicle, close all doors (including back door), and wait for 3 minutes or more.
7.Turn the power switch ON.
CAUTION:
Never engage READY state.
8.Erase self-diagnosis result of "BRAKE".
CAUTION:
After erasing self-diagnosis results, turn the power switch OFF, get out of the vehicle, close all doors (including back door), and wait for 3 minutes or more.
9.Depress brake pedal by 100 mm (3.94 in) or more, and hold the position for 5 seconds or more.
10.Release brake pedal.
11.Repeat steps 9 to 10 three times.
12.Perform "BRAKE" self-diagnosis.
Is DTC "C1A67" detected?
YES- GO TO 14.
NO- INSPECTION END
14. CHECK GROUND CIRCUIT
1.Turn the power switch OFF.
2.Get out of the vehicle and close all doors (including back door).
3.Disconnect 12V battery cable from negative terminal. Refer to "Precaution for Removing 12V Battery" Precaution For Removing 12V Battery.
4.Disconnect the electrically-driven intelligent brake unit harness connector.
5.Check the continuity between electrically-driven intelligent brake unit and ground.
Is the inspection result normal?
YES- GO TO 17.
NO- Repair or replace error-detected parts and GO TO 15.
15. PERFORM SELF-DIAGNOSIS (5)
With CONSULT
1.Connect the electrically-driven intelligent brake unit harness connector.
2.Connect 12V battery cable to negative terminal.
3.Turn the power switch OFF to ON.
CAUTION:
Never engage READY state.
4.Repeat step 3 two or more times.
CAUTION:
Be sure to wait for 5 seconds or more after turning the power switch OFF.
5.Turn the power switch OFF.
6.Get out of the vehicle, close all doors (including back door), and wait for 3 minutes or more.
7.Turn the power switch ON.
CAUTION:
Never engage READY state.
8.Erase self-diagnosis result of "BRAKE".
CAUTION:
After erasing self-diagnosis results, turn the power switch OFF, get out of the vehicle, close all doors (including back door), and wait for 3 minutes or more.
9.Depress brake pedal by 100 mm (3.94 in) or more, and hold the position for 5 seconds or more.
10.Release brake pedal.
11.Repeat steps 9 to 10 three times.
12.Perform "BRAKE" self-diagnosis.
Is DTC "C1A67" detected?
YES- GO TO 16.
NO- INSPECTION END
16. CHECK DATA MONITOR
With CONSULT
1.Turn the power switch OFF to ON.
CAUTION:
Never engage READY state.
2.Repeat step 1 two or more times.
CAUTION:
Be sure to wait for 5 seconds or more after turning the power switch OFF.
3.Select "BRAKE" and "DATA MONITOR" according this order.
4.Check the "MOTOR POWER SUPPLY" and "CONTROL MODULE POWER". Refer to "Reference Value" Pinout Values and Diagnostic Parameters.
Is the inspection result normal?
YES- GO TO 17.
NO- Replace the electrically-driven intelligent brake unit. Refer to "Removal and installation" Removal And Installation.
17. PERFORM SELF-DIAGNOSIS (6)
With CONSULT
1.Turn the power switch OFF to ON.
CAUTION:
Never engage READY state.
2.Repeat step 1 two or more times.
CAUTION:
Be sure to wait for 5 seconds or more after turning the power switch OFF.
3.Turn the power switch OFF.
4.Get out of the vehicle, close all doors (including back door), and wait for 3 minutes or more.
5.Turn the power switch ON.
CAUTION:
Never engage READY state.
6.Erase self-diagnosis result of "BRAKE".
CAUTION:
After erasing self-diagnosis results, turn the power switch OFF, get out of the vehicle, close all doors (including back door), and wait for 3 minutes or more.
7.Depress brake pedal by 100 mm (3.94 in) or more, and hold the position for 5 seconds or more.
8.Release brake pedal.
9.Repeat steps 7 to 8 three times.
10.Perform "BRAKE" self-diagnosis.
Is DTC "C1A67" detected?
YES- GO TO 18.
NO- INSPECTION END
18. VISUALLY CHECK STOP LAMP SWITCH
Check the stop lamp switch for damage.
Is the inspection result normal?
YES- GO TO 19.
NO- Repair or replace error-detected parts and GO TO 28.
19. CHECK STOP LAMP SWITCH INSTALLATION
Check the stop lamp switch for looseness and disconnection.
Is the inspection result normal?
YES- GO TO 20.
NO- Correct stop lamp switch installation or replace stop lamp switch. GO TO 28.
20. CHECK BRAKE PEDAL HEIGHT
Check the each brake pedal height. Refer to "Inspection and Adjustment" Adjustments.
Is the inspection result normal?
YES- GO TO 21.
NO- Adjust each brake pedal height. Refer to "Inspection and Adjustment" Adjustments. GO TO 28.
21. STROKE SENOR 0 POINT LEARNING
Perform stroke sensor 0 point learning. Refer to "Work Procedure" Work Procedure.
- GO TO 22.
22. CHECK STOP LAMP FOR ILLUMINATION (2)
Depress the brake pedal to a depth of 100 mm (3.94 in) or more and maintain the brake depression for 5 seconds or more to check that the stop lamp turns ON.
Is the inspection result normal?
YES- Repair or replace error-detected parts and GO TO 28.
NO- GO TO 23.
23. CHECK STOP LAMP SWITCH CLEARANCE
1.Turn the power switch OFF.
2.Check the stop lamp clearance. Refer to "Inspection and Adjustment" Adjustments.
Is the inspection result normal?
YES- GO TO 24.
NO- Adjust stop lamp switch clearance. Refer to "Inspection and Adjustment" Adjustments. GO TO 28.
24. CHECK STOP LAMP SWITCH CIRCUIT (3)
1.Turn the power switch OFF.
2.Get out of the vehicle and close all doors (including back door).
3.Disconnect 12V battery cable from negative terminal. Refer to "Precaution for Removing 12V Battery" Precaution For Removing 12V Battery.
4.Disconnect the electrically-driven intelligent brake unit harness connector.
5.Connect 12V battery cable to negative terminal.
6.Check the voltage between the electrically-driven intelligent brake unit harness connector and ground.
7.Turn the power switch ON.
CAUTION:
Never engage READY state.
8.Check the voltage between the electrically-driven intelligent brake unit harness connector and ground.
Is the inspection result normal?
YES- GO TO 26.
NO- GO TO 25.
25. CHECK STOP LAMP SWITCH CIRCUIT (4)
1.Turn the power switch OFF.
2.Get out of the vehicle and close all doors (including back door).
3.Disconnect 12V battery cable from negative terminal. Refer to "Precaution for Removing 12V Battery" Precaution For Removing 12V Battery.
4.Disconnect stop lamp switch harness connector.
5.Check the continuity between electrically-driven intelligent brake unit and stop lamp switch harness connector.
Is the inspection result normal?
YES- Perform trouble diagnosis for 12V battery power supply. Refer to "Wiring Diagram BATTERY POWER SUPPLY -" Battery Power Supply.
NO- Repair or replace error-detected parts and GO TO 26.
26. CHECK STOP LAMP SWITCH
Check the stop lamp switch. Refer to "Component Inspection" .
Is the inspection result normal?
YES- GO TO 27.
NO- Replace the stop lamp switch. Refer to "Removal and Installation" Removal And Installation. GO TO 28.
27. CHECK STOP LAMP FOR ILLUMINATION (3)
1.Connect stop lamp switch harness connector.
2.Connect 12V battery cable to negative terminal.
3.Depress the brake pedal to a depth of 100 mm (3.94 in) or more and maintain the brake depression for 5
seconds or more to check that the stop lamp turns ON.
Is the inspection result normal?
YES- GO TO 28.
NO- Repair or replace error-detected parts and GO TO 28.
28. PERFORM SELF-DIAGNOSIS (3)
With CONSULT
1.Turn the power switch OFF to ON.
CAUTION:
Never engage READY state.
2.Repeat step 1 two or more times.
CAUTION:
Be sure to wait for 5 seconds or more after turning the power switch OFF.
3.Turn the power switch OFF.
4.Get out of the vehicle, close all doors (including back door), and wait for 3 minutes or more.
5.Turn the power switch ON.
CAUTION:
Never engage READY state.
6.Erase self-diagnosis result of "BRAKE".
CAUTION:
After erasing self-diagnosis results, turn the power switch OFF, get out of the vehicle, close all doors (including back door), and wait for 3 minutes or more.
7.Depress brake pedal by 100 mm (3.94 in) or more, and hold the position for 5 seconds or more.
8.Release brake pedal.
9.Repeat steps 7 to 8 three times.
10.Perform "BRAKE" self-diagnosis.
Is DTC "C1A67" detected?
YES- GO TO 24.
NO- INSPECTION END
Component Inspection
1. CHECK STOP LAMP SWITCH
1.Turn the power switch OFF.
2.Get out of the vehicle, close all doors (including back door), and wait for 3 minutes or more.
3.Disconnect stop lamp switch harness connector.
4.Check the continuity when stop lamp switch is operated.
Is the inspection result normal?
YES- INSPECTION END
NO- Replace the stop lamp switch. Refer to "Removal and Installation" Removal And Installation.