Qashqai J11. Parking brake system — part 9
U1060 VEHICLE SPEED
PB-129
< DTC/CIRCUIT DIAGNOSIS >
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U1060 VEHICLE SPEED
DTC Description
INFOID:0000000010833715
DTC DETECTION LOGIC
POSSIBLE CAUSE
• CAN communication line
• ABS actuator and electric unit (control unit) system
• Electric parking brake control module
FAIL-SAFE
• Automatic apply and release are prohibited.
• Brake force is degraded.
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.
CHECK DTC DETECTION
With CONSULT
1.
Turn the ignition switch OFF to ON.
CAUTION:
Be sure to wait for 10 seconds after turning ignition switch OFF or ON.
2.
Push the parking brake switch.
CAUTION:
• Set the select lever in the P position.
• Depress the brake pedal.
3.
Pull the parking brake switch.
4.
Perform self-diagnosis for “EHS/PKB”.
Is DTC “U1060” detected?
YES
>> Proceed to
NO-1
>> To check malfunction symptom before repair: Refer to
GI-44, "Intermittent Incident"
NO-2
>> Confirmation after repair: INSPECTION END
Diagnosis Procedure
INFOID:0000000010833716
1.
ERFORM SELF-DIAGNOSIS (1)
With CONSULT
Perform self-diagnosis for “ABS”.
Is DTC detected?
YES
>> Check the DTC. Refer to
.
NO
>> GO TO 2.
2.
CHECK DATA MONITOR (1)
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.
DTC
Display Item
(Trouble diagnosis content)
Malfunction detected condition
U1060
VEHICLE SPPED
(Vehicle speed)
When CAN communication signal with wheel speed signal from ABS actuator and
electric unit (control unit) is not continuously received for 2 seconds or more.
PB-130
< DTC/CIRCUIT DIAGNOSIS >
U1060 VEHICLE SPEED
2.
Select “ABS” and “DATA MONITOR” according to this order.
3.
Check the following monitor item. Refer to
.
-
“RR LH SENSOR”
-
“RR RH SENSOR”
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Check the ABS actuator and electric unit (control unit) system. Refer to
3.
PERFORM SELF-DIAGNOSIS (2)
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.
Erase self-diagnosis result for “EHS/PKB”.
3.
Repeat the parking brake switch operation (pull and push) five times.
4.
Perform self-diagnosis for “EHS/PKB”.
Is DTC “U1060”, “U1000” detected?
YES (“U1060”)>>Replace the electric parking brake control module. Refer to
PB-141, "Removal and Installa-
.
YES (“U1000”)>>Proceed to
LAN-28, "Trouble Diagnosis Flow Chart"
NO
>> INSPECTION END
U1061 IPDM E/R SYSTEM
PB-131
< DTC/CIRCUIT DIAGNOSIS >
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U1061 IPDM E/R SYSTEM
DTC Description
INFOID:0000000010833717
DTC DETECTION LOGIC
POSSIBLE CAUSE
• IPDM E/R
• Electric parking brake control module
FAIL-SAFE
Automatic release is prohibited.
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.
CHECK DTC DETECTION
With CONSULT
1.
Turn the ignition switch OFF to ON.
CAUTION:
Be sure to wait for 10 seconds after turning ignition switch OFF or ON.
2.
Push the parking brake switch.
CAUTION:
• Set the select lever in the P position.
• Depress the brake pedal.
3.
Pull the parking brake switch.
4.
Perform self-diagnosis for “EHS/PKB”.
Is DTC “U1061” detected?
YES
>> Proceed to
NO-1
>> To check malfunction symptom before repair: Refer to
GI-44, "Intermittent Incident"
NO-2
>> Confirmation after repair: INSPECTION END
Diagnosis Procedure
INFOID:0000000010833718
1.
ERFORM SELF-DIAGNOSIS (1)
With CONSULT
Perform self-diagnosis for “IPDM E/R”.
Is DTC detected?
YES
>> Check the DTC. Refer to
.
NO
>> GO TO 2.
2.
PERFORM SELF-DIAGNOSIS (2)
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.
Erase self-diagnosis result for “EHS/PKB”.
DTC
Display Item
(Trouble diagnosis content)
Malfunction detected condition
U1061
IPDM E/R SYSTEM
(Intelligent power distribution
module engine room system)
When a malfunction is detected in IPDM E/R
PB-132
< DTC/CIRCUIT DIAGNOSIS >
U1061 IPDM E/R SYSTEM
3.
Repeat the parking brake switch operation (pull and push) five times.
4.
Perform self-diagnosis for “EHS/PKB”.
Is DTC “U1061”, “U1000” detected?
YES (“U1061”)>>Replace the electric parking brake control module. Refer to
PB-141, "Removal and Installa-
.
YES (“U1000”)>>Proceed to
LAN-28, "Trouble Diagnosis Flow Chart"
NO
>> INSPECTION END
POWER SUPPLY AND GROUND CIRCUIT
PB-133
< DTC/CIRCUIT DIAGNOSIS >
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POWER SUPPLY AND GROUND CIRCUIT
Diagnosis Procedure
INFOID:0000000010833719
1.
CHECK ELECTRIC PARKING BRAKE CONTROL MODULE IGNITION POWER SUPPLY
1.
Turn the ignition switch OFF.
2.
Disconnect the electric parking brake control module harness connector.
3.
Check the voltage between electric parking brake control module harness connector and ground.
4.
Turn the ignition switch ON
5.
Check the voltage between electric parking brake control module harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> GO TO 2.
2.
CHECK ELECTRIC PARKING BRAKE CONTROL MODULE IGNITION POWER SUPPLY CIRCUIT
1.
Turn the ignition switch OFF.
2.
Check 10A fuse (#30).
3.
Check the continuity between electric parking brake control module harness connector and fuse block (J/
B) harness connector.
Is the inspection result normal?
YES
>> Perform trouble diagnosis for ignition power supply.
NO
>> Repair or replace error-detected parts.
3.
CHECK MOTOR POWER SUPPLY
1.
Turn the ignition switch OFF.
2.
Check the voltage between electric parking brake control module harness connector and ground.
3.
Turn the ignition switch ON
4.
Check the voltage between electric parking brake control module harness connector and ground.
Is the inspection result normal?
Electric parking brake control module
—
Voltage
Connector
Terminal
M29
22
Ground
Approx. 0 V
Electric parking brake control module
—
Voltage
Connector
Terminal
M29
22
Ground
9
−
16 V
Electric parking brake control module
Fuse block (J/B)
Continuity
Connector
Terminal
Connector
Terminal
M29
22
M77
7B
Existed
Electric parking brake control module
—
Voltage
Connector
Terminal
M29
13
Ground
9
−
16 V
15
Electric parking brake control module
—
Voltage
Connector
Terminal
M29
13
Ground
9
−
16 V
15
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
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
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
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 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-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
.
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
JSFIA2443ZZ
JSFIA2426ZZ
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
"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-
.
CAUTION:
Never reuse the parking brake actuator.
>> End of work.
JSFIA2444ZZ
PB-138
< SYMPTOM DIAGNOSIS >
PARKING BRAKE DOES NOT OPERATE
PARKING BRAKE DOES NOT OPERATE
Description
INFOID:0000000010833579
The parking brake is not applied even when the parking brake switch is pulled.
Diagnosis Procedure
INFOID:0000000010833580
1.
PERFORM THE SELF-DIAGNOSIS
With CONSULT
Perform self-diagnosis for “EHS/PKB”.
Is DTC detected?
YES
>> Check the DTC. Refer to
.
NO
>> GO TO 2.
2.
CHECK PARKING BRAKE ACTUATOR
Pull or push parking brake switch, check operation sound of parking brake actuator.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> GO TO 3.
3.
CHECK REAR DISC BRAKE SYSTEM
Check the rear disc brake system.
BR-16, "DISC ROTOR : Inspection"
.
Is the inspection result normal?
YES
>> Replace the electric parking brake control module. Refer to
PB-141, "Removal and Installation"
NO
>> Repair or replace the rear disc brake system. Refer to
THE BRAKING FORCE OF PARKING BRAKE IS LOW
PB-139
< SYMPTOM DIAGNOSIS >
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THE BRAKING FORCE OF PARKING BRAKE IS LOW
Description
INFOID:0000000010833581
The parking brake braking force is low and the vehicle moves backward when parked on an incline.
Diagnosis Procedure
INFOID:0000000010833582
1.
REAPPLY THE PARKING BRAKE (1)
1.
Pull the parking brake switch, and apply the parking brake.
2.
Pull the parking brake switch again.
Is the vehicle moving backward?
YES
>> GO TO 2.
NO
>> NORMAL
2.
PERFORM THE SELF-DIAGNOSIS
With CONSULT
Perform self-diagnosis for “EHS/PKB”.
Is any DTC detected?
YES
>> Check the DTC. Refer to
NO
>> GO TO 3.
3.
CHECK REAR DISC BRAKE SYSTEM
Check the rear disc brake system.
• Rear brake pad: Refer to
BR-16, "BRAKE PAD : Inspection"
• Rear disc rotor: Refer to
BR-16, "DISC ROTOR : Inspection"
.
• Rear brake caliper (and parking brake actuator): Refer to
BR-46, "BRAKE CALIPER ASSEMBLY : Inspec-
.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>>
Repair or replace error-detected pars.
• Rear brake pad: Refer to
BR-16, "BRAKE PAD : Inspection"
• Rear disc rotor: Refer to
BR-16, "DISC ROTOR : Inspection"
.
• Rear brake caliper (and parking brake actuator): Refer to
BLY : Inspection and Adjustment"
.
4.
REAPPLY THE PARKING BRAKE (2)
Pull the parking brake switch again.
Is the vehicle moving backward?
YES
>> Replace the electric parking brake control module. Refer to
PB-141, "Removal and Installation"
NO
>> NORMAL
PB-140
< SYMPTOM DIAGNOSIS >
THE BRAKING FORCE OF PARKING BRAKE IS HIGH
THE BRAKING FORCE OF PARKING BRAKE IS HIGH
Description
INFOID:0000000010833583
The parking brake breaking force is too high.
Diagnosis Procedure
INFOID:0000000010833584
1.
PERFORM THE SELF-DIAGNOSIS
With CONSULT
Perform self-diagnosis for “EHS/PKB”.
Is any DTC detected?
YES
>> Check the DTC. Refer to
.
NO
>> GO TO 2.
2.
CHECK REAR DISC BRAKE SYSTEM (1)
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.
CHECK REAR DISC BRAKE SYSTEM (2)
1.
Depress the brake pedal 3 times or more.
2.
Drive the vehicle at approx. 30 km/h (19 MPH) or more.
3.
Stop the vehicle.
4.
Depress the brake pedal 3 times or more again.
Is the braking force of parking brake is high?
YES
>> Replace the rear brake caliper assembly. Refer to
BR-46, "BRAKE CALIPER ASSEMBLY :
NO
>> INSPECTION END
ELECTRIC PARKING BRAKE CONTROL MODULE
PB-141
< REMOVAL AND INSTALLATION >
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REMOVAL AND INSTALLATION
ELECTRIC PARKING BRAKE CONTROL MODULE
Exploded View
INFOID:0000000010833571
Removal and Installation
INFOID:0000000010833572
REMOVAL
1.
Turn the ignition switch ON.
CAUTION:
Never start the engine.
2.
Release the parking brake.
CAUTION:
If the brake cannot be released, release it manually. Refer to
3.
Turn the ignition switch OFF.
4.
Disconnect battery negative terminal. Refer to
.
5.
Remove center console. Refer to
IP-19, "Removal and Installation"
6.
Disconnect electric parking brake control module harness connector.
7.
Remove electric parking brake control module
.
CAUTION:
Never drop removed parts.
INSTALLATION
Note the following, and install in the reverse order of removal.
• Must be perform additional service when replacing electric parking brake control module. Refer to
.
Electric parking brake control mod-
ule
: N·m (kg-m, in-lb)
JSFIA2484GB
JSFIA2485ZZ
PB-142
< REMOVAL AND INSTALLATION >
PARKING BRAKE CONTROL
PARKING BRAKE CONTROL
Exploded View
INFOID:0000000010833573
Removal and Installation
INFOID:0000000010833574
REMOVAL
1.
Turn the ignition switch ON.
CAUTION:
Never start the engine.
2.
Release the parking brake.
CAUTION:
If the brake cannot be released, release it manually. Refer to
3.
Turn the ignition switch OFF.
4.
Disconnect battery negative terminal. Refer to
5.
Remove rear tires.
6.
Disconnect parking brake actuator harness connector.
7.
Remove parking brake actuator harness mounting bolts.
8.
Remove parking brake actuator harness from the vehicle.
INSTALLATION
Install the reverse order of the removal.
Parking brake actuator harness RH
Parking brake actuator harness LH
: N·m (kg-m, ft-lb)
: N·m (kg-m, in-lb)
JSFIA2487GB
PARKING BRAKE ACTUATOR
PB-143
< REMOVAL AND INSTALLATION >
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PARKING BRAKE ACTUATOR
Exploded View
INFOID:0000000010471527
Removal and Installation
INFOID:0000000010318199
REMOVAL
1.
Turn the power switch ON.
2.
Release the parking brake.
3.
Turn the power switch OFF.
4.
Disconnect 12V battery negative terminal. Refer to
PB-5, "Precautions for Removing Battery Terminal"
.
5.
Remove rear wheel. Refer to
WT-63, "Removal and Installation"
6.
Disconnect parking brake actuator harness connector.
7.
Remove parking brake actuator from vehicle.
CAUTION:
To prevent damage to the parts, never drop remove parts.
1.
Bolt
2.
Actuator
3.
Sliding pin bolt
4.
Cap
5.
Bleeder valve
6.
Cylinder body
7.
Piston
8.
Piston boot
9.
Sliding pin boot
10.
Bushing
11. Torque member
12.
Outer shim
13.
Outer pad
14. Inner pad
15.
Inner shim
: Apply rubber grease.
: Apply brake fluid.
Refer to
for symbols not described on the above.
E1FIA0155GB
PB-144
< REMOVAL AND INSTALLATION >
PARKING BRAKE ACTUATOR
INSTALLATION
Note the following, and install in the reverse order of removal.
• Perform parking brake actuator ASSEMBLY CHECK,when electric parking brake control unit is removed and
installed, or replaced. Refer to
.
• Perform parking brake actuator AX-SENSOR CALIBRATION, when electric parking brake control unit is
removed and installed, or replaced. Refer to
.
• Perform adjustment after installation. Refer to
Inspection
INFOID:0000000010318200
ADJUSTMENT AFTER INSTALLATION
1.
Pull the parking brake switch 2 times and check that the electric parking brake indicator in combination
meter turns ON.
2.
Turn the power switch OFF and wait 20 minutes.
3.
Turn the power switch ON.
CAUTION:
Never set the vehicle to READY.
4.
Check that the electric parking brake indicator lamp in combination meter turns ON.
5.
Push parking brake switch to release electric parking brake.
6.
Check that the electric parking brake indicator lamp in combination meter turns OFF.
PARKING BRAKE SWITCH
PB-145
< REMOVAL AND INSTALLATION >
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PARKING BRAKE SWITCH
Removal and Installation
INFOID:0000000010833576
REMOVAL
1.
Remove the console finisher assembly. Refer to
.
2.
Remove parking brake switch.
INSTALLATION
Install in the reverse order of removal.
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