Nissan Qashqai J11. Manual - part 938

PB-134

< DTC/CIRCUIT DIAGNOSIS >

POWER SUPPLY AND GROUND CIRCUIT

YES

>> GO TO 5.

NO

>> GO TO 4.

4.

CHECK MOTOR POWER SUPPLY CIRCUIT

1.

Turn the ignition switch OFF.

2.

Check the 30A fuse (#41) and 30A fuse (#38).

3.

Check the continuity and short circuit between electric parking brake control module harness connector
terminal (13) and 30A fuse (#41).

4.

Check the continuity and short circuit between electric parking brake control module harness connector
terminal (15) and 30A fuse (#38).

Is the inspection result normal?

YES

>> Perform trouble diagnosis for battery power supply.

NO

>> Repair or replace error-detected parts.

5.

CHECK ELECTRIC PARKING BRAKE CONTROL MODULE GROUND CIRCUIT

1.

Turn the ignition switch OFF.

2.

Check for continuity between electric parking brake control module harness connector and the ground.

Is the inspection result normal?

YES

>> GO TO 6.

NO

>> Repair or replace error-detected parts.

6.

CHECK TERMINAL

Check electric parking brake control module pin terminals for damage or loose connection with harness con-
nector.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Repair or replace error-detected parts.

Electric parking brake control module

—

Continuity

Connector

Terminal

M29

28

Ground

Existed

30

ELECTRIC PARKING BRAKE INDICATOR LAMP

PB-135

< DTC/CIRCUIT DIAGNOSIS >

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ELECTRIC PARKING BRAKE INDICATOR LAMP

Component Function Check

INFOID:0000000010833720

1.

CHECK ELECTRIC PARKING BRAKE INDICATOR LAMP FUNCTION

Check that electric parking brake indicator lamp in combination meter turns ON/OFF when parking brake is
operated.
NOTE:
Electric parking brake indicator lamp turns ON when parking brake is operated (when parking brake switch is
pull).

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Proceed to 

PB-135, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000010833721

1.

CHECK ELECTRIC PARKING BRAKE CONTROL MODULE POWER SUPPLY AND GROUND CIRCUIT

Perform the trouble diagnosis for electric parking brake control module power supply and ground circuit. Refer
to 

PB-133, "Diagnosis Procedure"

.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace error-detected parts.

2.

PERFORM SELF-DIAGNOSIS

With CONSULT

1.

Turn the ignition switch OFF to ON.

CAUTION:

Be sure to wait for 10 seconds or more after turning the ignition switch OFF.

2.

Repeat the parking brake switch operation (pull and push) five times.

3.

Perform self-diagnosis for “EHS/PKB”.

Is DTC detected?

YES

>> Check the DTC. Refer to 

PB-30, "DTC Index"

.

NO

>> GO TO 3.

3.

CHECK ELECTRIC PARKING BRAKE INDICATOR LAMP SIGNAL

With CONSULT

1.

Select “EHS/PKB” and “DATA MONITOR” according to this order.

2.

Check the following monitor item. Refer to 

PB-23, "Reference Value"

.

-

“PB WARNING 1”

-

“PB WARNING 2”

-

“PB WARNING 3”

-

“PB WARNING 4”

-

“PB WARNING 5”

Is the inspection result normal?

YES

>> Replace the combination meter. Refer to 

MWI-86, "Removal and Installation"

.

NO

>> Replace the electric parking brake control module. Refer to 

PB-141, "Removal and Installation"

.

PB-136

< SYMPTOM DIAGNOSIS >

PARKING BRAKE DOES NOT RELEASE

SYMPTOM DIAGNOSIS

PARKING BRAKE DOES NOT RELEASE

Description

INFOID:0000000010833577

When the parking brake cannot be released by the parking brake switch.

Diagnosis Procedure

INFOID:0000000010833578

1.

PERFORM THE SELF-DIAGNOSIS

With CONSULT

Perform self-diagnosis for “EHS/PKB”.

Is DTC detected?

YES

>> Check the DTC. Refer to 

PB-30, "DTC Index"

.

NO

>> GO TO 2.

2.

CHECK REAR DISC BRAKE DRAG

Check if the rear disc brake is dragging. 

BR-16, "DISC ROTOR : Inspection"

.

Is the rear disc brake dragging?

YES

>> Check the rear disc brake system. Refer to 

BR-16, "DISC ROTOR : Inspection"

.

NO

>> GO TO 3.

3.

DISCONNECT PARKING BRAKE ACTUATOR HARNES CONNECTOR

1.

Disconnect parking brake actuator harness connector 

 from

rear caliper assembly 

.

>> GO TO 4.

4.

REMOVE PARKING BRAKE ACTUATOR

Remove parking brake actuator 

 from rear brake caliper assembly

.

>> GO TO 5.

5.

RELEASE OF PARKING BRAKE

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PARKING BRAKE DOES NOT RELEASE

PB-137

< SYMPTOM DIAGNOSIS >

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Rotate the rear brake caliper assembly 

 spindle part 

 clockwise.

Is the parking brake released?

YES

>> GO TO 6.

NO

>> Check the rear brake caliper assembly. Refer to 

BR-46,

"BRAKE CALIPER ASSEMBLY : Inspection and Adjust-
ment"

.

6.

REPLACE REAR CALIPER ASSEMBLY

Replace the rear caliper assembly. Refer to 

BR-43, "BRAKE CALIPER ASSEMBLY : Removal and Installa-

tion"

.

CAUTION:

Never reuse the parking brake actuator.

>> End of work.

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