Nissan Leaf. Manual - part 197

C1A67 STOP LAMP SWITCH

BR-109

< DTC/CIRCUIT DIAGNOSIS >

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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 without depressing the brake pedal.

CAUTION:

Never set the vehicle to READY.

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 to exit CONSULT, and disconnect CONSULT from data link connector.

6. Close all doors (including back door), check that the room lamp is OFF, get out of the vehicle, and wait for

3 minutes or more with all doors closed.

CAUTION:

Never operate the vehicle while waiting.

7. Turn the power switch ON without depressing the brake pedal.

CAUTION:

Never set the vehicle to READY.

8. Start CONSULT and erase self-diagnosis result of “BRAKE”.

9. Turn the power switch OFF to exit CONSULT, and disconnect CONSULT from data link connector.

10. Close all doors (including back door), check that the room lamp is OFF, get out of the vehicle, and wait for

3 minutes or more with all doors closed.

CAUTION:

Never operate the vehicle while waiting.

11. Turn the power switch ON without depressing the brake pedal.

CAUTION:

Never set the vehicle to READY.

12. Depress brake pedal by 100 mm (3.94 in) or more, and hold the position for 5 seconds or more.

13. Release brake pedal.

14. Start CONSULT and 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 without depressing the brake pedal.

CAUTION:

Never set the vehicle to READY.

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. Start CONSULT and select “BRAKE” and “DATA MONITOR” according this order.

4. Check the “MOTOR POWER SUPPLY” and “CONTROL MODULE POWER”. Refer to 

BR-33, "Reference

Value"

.

Is the inspection result normal?

YES

>> GO TO 17.

NO

>> Replace the electrically-driven intelligent brake unit. Refer to 

BR-510, "Removal and installation"

.

17.

PERFORM SELF-DIAGNOSIS (6)

With CONSULT

1. Turn the power switch OFF to ON without depressing the brake pedal.

CAUTION:

Never set the vehicle to READY.

2. Repeat step 1 two or more times.

CAUTION:

BR-110

< DTC/CIRCUIT DIAGNOSIS >

C1A67 STOP LAMP SWITCH

Be sure to wait for 5 seconds or more after turning the power switch OFF.

3. Turn the power switch OFF to exit CONSULT, and disconnect CONSULT from data link connector.

4. Close all doors (including back door), check that the room lamp is OFF, get out of the vehicle, and wait for

3 minutes or more with all doors closed.

CAUTION:

Never operate the vehicle while waiting.

5. Turn the power switch ON without depressing the brake pedal.

CAUTION:

Never set the vehicle to READY.

6. Start CONSULT and erase self-diagnosis result of “BRAKE”.

7. Turn the power switch OFF to exit CONSULT, and disconnect CONSULT from data link connector.

8. Close all doors (including back door), check that the room lamp is OFF, get out of the vehicle, and wait for

3 minutes or more with all doors closed.

CAUTION:

Never operate the vehicle while waiting.

9. Turn the power switch ON without depressing the brake pedal.

CAUTION:

Never set the vehicle to READY.

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. Start CONSULT and 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 

BR-490, "Inspection and Adjustment"

.

Is the inspection result normal?

YES

>> GO TO 21.

NO

>> Adjust each brake pedal height. Refer to 

BR-490, "Inspection and Adjustment"

. GO TO 28.

21.

STROKE SENOR 0 POINT LEARNING

Perform stroke sensor 0 point learning. Refer to 

BR-53, "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 sec-

onds 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 to exit CONSULT.

2. Check the stop lamp clearance. Refer to 

BR-490, "Inspection and Adjustment"

.

C1A67 STOP LAMP SWITCH

BR-111

< DTC/CIRCUIT DIAGNOSIS >

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H

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B

BR

N

O

P

Is the inspection result normal?

YES

>> GO TO 24.

NO

>> Adjust stop lamp switch clearance. Refer to 

BR-490, "Inspection and Adjustment"

. GO TO 28.

24.

CHECK STOP LAMP SWITCH CIRCUIT (3)

1. Turn the power switch OFF to exit CONSULT, and disconnect CONSULT from data link connector.

2. Close all doors (including back door), check that the room lamp is OFF, get out of the vehicle, and wait for

3 minutes or more with all doors closed.

CAUTION:

Never operate the vehicle while waiting.

3. Disconnect 12V battery cable from negative terminal. Refer to 

BR-6, "Precaution for Removing 12V Bat-

tery"

.

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 without depressing the brake pedal.

CAUTION:

Never set the vehicle to READY.

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 to exit CONSULT, and disconnect CONSULT from data link connector.

2. Close all doors (including back door), check that the room lamp is OFF, get out of the vehicle, and wait for

3 minutes or more with all doors closed.

CAUTION:

Never operate the vehicle while waiting.

3. Disconnect 12V battery cable from negative terminal. Refer to 

BR-6, "Precaution for Removing 12V Bat-

tery"

.

4. Disconnect stop lamp switch harness connector.

5. Check the continuity between electrically-driven intelligent brake unit and stop lamp switch harness con-

nector.

Is the inspection result normal?

YES

>> Perform trouble diagnosis for 12V battery power supply. Refer to 

PG-15, "Wiring Diagram — Bat-

tery 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 

BR-112, "Component Inspection"

.

Electrically-driven intelligent brake unit

—

Test condition

Voltage

(Approx.)

Connector

Terminal

E34

24

Ground

Brake pedal is depressed.

10 

− 16 V

Brake pedal is not depressed.

0 V

Electrically-driven intelligent brake unit

—

Test condition

Voltage

(Approx.)

Connector

Terminal

E34

24

Ground

Brake pedal is depressed.

10 

− 16 V

Brake pedal is not depressed.

0 V

Electrically-driven intelligent brake unit

Stop lamp switch

Continuity

Connector

Terminal

Connector

Terminal

E34

24

E102

2

Existed

BR-112

< DTC/CIRCUIT DIAGNOSIS >

C1A67 STOP LAMP SWITCH

Is the inspection result normal?

YES

>> GO TO 27.

NO

>> Replace the stop lamp switch. Refer to 

BR-500, "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 (7)

With CONSULT

1. Turn the power switch OFF to ON without depressing the brake pedal.

CAUTION:

Never set the vehicle to READY.

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 to exit CONSULT, and disconnect CONSULT from data link connector.

4. Close all doors (including back door), check that the room lamp is OFF, get out of the vehicle, and wait for

3 minutes or more with all doors closed.

CAUTION:

Never operate the vehicle while waiting.

5. Turn the power switch ON without depressing the brake pedal.

CAUTION:

Never set the vehicle to READY.

6. Start CONSULT and erase self-diagnosis result of “BRAKE”.

7. Turn the power switch OFF to exit CONSULT, and disconnect CONSULT from data link connector.

8. Close all doors (including back door), check that the room lamp is OFF, get out of the vehicle, and wait for

3 minutes or more with all doors closed.

CAUTION:

Never operate the vehicle while waiting.

9. Turn the power switch ON without depressing the brake pedal.

CAUTION:

Never set the vehicle to READY.

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. Start CONSULT and perform “BRAKE” self-diagnosis.
Is DTC “C1A67” detected?

YES

>> GO TO 24.

NO

>> INSPECTION END

Component Inspection

INFOID:0000000010123016

1.

CHECK STOP LAMP SWITCH

1. Turn the power switch OFF to exit CONSULT, and disconnect CONSULT from data link connector.

2. Close all doors (including back door), check that the room lamp is OFF, get out of the vehicle, and wait for

3 minutes or more with all doors closed.

CAUTION:

Never operate the vehicle while waiting.

3. Disconnect stop lamp switch harness connector.

4. Check the continuity when stop lamp switch is operated.