Qashqai J11. Parking brake system — part 5
C10E3 PARKING BRAKE SWITCH
PB-65
< DTC/CIRCUIT DIAGNOSIS >
C
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A
B
PB
N
O
P
3.
Disconnect the electric parking brake control module harness connector.
4.
Check the continuity between electric parking brake control module harness connector and parking brake
switch harness connector.
5.
Check the continuity between electric parking brake control module harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace error-detected parts, and GO TO 3.
3.
CHECK PARKING BRAKE SWITCH
Check the parking brake switch. Refer to
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Replace the parking brake switch. Refer to
PB-145, "Removal and Installation"
.
4.
CHECK CONNECTOR AND TERMINAL
1.
Check the parking brake switch harness connector for disconnection or looseness.
2.
Check the parking brake switch pin terminals for damage or loose connection with harness connector.
3.
Check the electric parking brake control module harness connector for disconnection or looseness.
4.
Check the electric parking brake control module pin terminals for damage or loose connection with har-
ness connector.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Repair or replace error-detected parts, and GO TO 5.
5.
PERFORM SELF-DIAGNOSIS
With CONSULT
1.
Connect the parking brake switch harness connector.
2.
Connect the electric parking brake control module harness connector.
3.
Turn the ignition switch ON.
4.
Erase self-diagnosis result for “EHS/PKB”.
5.
Repeat the parking brake switch operation (pull and push) five times.
6.
Perform self-diagnosis for “EHS/PKB”.
Electric parking brake control module
Parking brake switch
Continuity
Connector
Terminal
Connector
Terminal
M29
9
M30
2
Existed
8
3
10
1
11
6
18
10
19
4
20
5
Electric parking brake control module
—
Continuity
Connector
Terminal
M29
9
Ground
Not existed
8
10
11
18
19
20
PB-66
< DTC/CIRCUIT DIAGNOSIS >
C10E3 PARKING BRAKE SWITCH
Is DTC “C10E3” detected?
YES
>> Replace the electric parking brake control module. Refer to
PB-141, "Removal and Installation"
NO
>> INSPECTION END
Component Inspection
INFOID:0000000010833657
1.
CHECK PARKING BRAKE SWITCH
1.
Turn the ignition switch OFF.
2.
Disconnect the parking brake switch harness connector.
3.
Check the continuity when parking brake switch is operated.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace the parking brake switch. Refer to
PB-145, "Removal and Installation"
.
Condition
Terminal
Continuity
When parking brake switch is neutral
1
−
6
Existed
4
−
5
Existed
2
−
5
Not existed
6
−
10
Not existed
When parking brake switch is push
6
−
10
Existed
1
−
6
Existed
4
−
5
Not existed
2
−
5
Not existed
When parking brake switch is pull
4
−
5
Existed
2
−
5
Existed
1
−
6
Not existed
6
−
10
Not existed
C10E6 IGNITION SWITCH
PB-67
< DTC/CIRCUIT DIAGNOSIS >
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PB
N
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C10E6 IGNITION SWITCH
DTC Description
INFOID:0000000010833658
DTC DETECTION LOGIC
POSSIBLE CAUSE
• Harness or connector
• Electric parking brake control module
• Ignition power supply system
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 “C1BE6” 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:0000000010833659
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.
DTC
Display Item
(Trouble diagnosis content)
Malfunction detected condition
C10E6
IGNITION SWITCH
(Ignition switch)
Ignition power supply voltage of electric parking brake control module is as shown below.
• Ignition power supply voltage: 9 V
≥
Ignition power supply voltage
• Ignition power supply voltage: 16 V
≤
Ignition power supply voltage
Electric parking brake control module
—
Voltage
Connector
Terminal
M29
22
Ground
Approx. 0 V
PB-68
< DTC/CIRCUIT DIAGNOSIS >
C10E6 IGNITION SWITCH
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 the 10A fuse (#4).
3.
Check the continuity between electric parking brake control module harness connector and fuse block (J/
B).
Is the inspection result normal?
YES
>> Perform trouble diagnosis for ignition power supply.
NO
>> Repair or replace error-detected parts.
3.
CHECK ELECTRIC PARKING BRAKE CONTROL MODULE GROUND CIRCUIT
1.
Turn the ignition switch OFF.
2.
Check the continuity between electric parking brake control module harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace error-detected parts, and GO TO 4.
4.
CHECK CONNECTOR AND TERMINAL
1.
Turn the ignition switch OFF.
2.
Check the electric parking brake control module harness connector for disconnection or looseness.
3.
Check the electric parking brake control module pin terminals for damage or loose connection with har-
ness connector.
4.
Disconnect the fuse block (J/B) harness connector.
5.
Check the fuse block (J/B) harness connector for disconnection or looseness.
6.
Check the fuse block (J/B) pin terminals for damage or loose connection with harness connector.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Repair or replace error-detected parts, and GO TO 5.
5.
PERFORM SELF-DIAGNOSIS
With CONSULT
1.
Connect the electric parking brake control module harness connector.
2.
Connect the fuse block (J/B) harness connector.
3.
Turn the ignition switch ON.
4.
Erase self-diagnosis result for “EHS/PKB”.
5.
Repeat the parking brake switch operation (pull and push) five times.
6.
Perform self-diagnosis for “EHS/PKB”.
Is DTC “C10E6” detected?
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
—
Continuity
Connector
Terminal
M29
28
Ground
Existed
30
C10E6 IGNITION SWITCH
PB-69
< DTC/CIRCUIT DIAGNOSIS >
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A
B
PB
N
O
P
YES
>> Replace the electric parking brake control module. Refer to
PB-141, "Removal and Installation"
NO
>> INSPECTION END
PB-70
< DTC/CIRCUIT DIAGNOSIS >
C1BD0 MOTOR
C1BD0 MOTOR
DTC Description
INFOID:0000000010833660
DTC DETECTION LOGIC
POSSIBLE CAUSE
• Harness or connector
• Electric parking brake control module
FAIL-SAFE
One side motor is available.
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 “C1BD0” 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:0000000010833661
1.
CHECK PARKING BRAKE ACTUATOR CIRCUIT
1.
Disconnect the parking brake actuator harness connector.
2.
Disconnect the electric parking brake control module.
3.
Check the continuity between electric parking brake control module harness connector and parking brake
actuator harness connector.
DTC
Display Item
(Trouble diagnosis content)
Malfunction detected condition
C1BD0
MOTOR
(Motor)
• A short circuit is detected in the circuit between electric parking brake control mod-
ule and parking brake actuator.
• A open circuit is detected in the circuit between electric parking brake control mod-
ule and parking brake actuator.
C1BD0 MOTOR
PB-71
< DTC/CIRCUIT DIAGNOSIS >
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PB
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Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace error-detected parts, and GO TO 2.
2.
CHECK ELECTRIC PARKING BRAKE CONTROL MODULE CIRCUIT (1)
1.
Check the continuity between electric parking brake control module harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace error-detected parts, and GO TO 3.
3.
CHECK PARKING BRAKE ACTUATOR CIRCUIT
1.
Check the continuity electric parking brake control module harness connector terminals.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace error-detected parts, and GO TO 4.
4.
CHECK ELECTRIC PARKING BRAKE CONTROL MODULE GROUND CIRCUIT
1.
Disconnect the electric parking brake control module harness connector.
2.
Turn the ignition switch OFF.
3.
Check the continuity between electric parking brake control module harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Repair or replace error-detected parts, and GO TO 5.
5.
CHECK CONNECTOR AND TERMINAL
Electric parking brake control module
Parking brake actuator
Continuity
Connector
Terminal
Connector
Terminal
M29
14
M128
2
Existed
29
1
12
M129
2
27
1
Electric parking brake control module
—
Continuity
Connector
Terminal
M29
14
Ground
Not existed
29
12
27
Electric parking brake control module
Continuity
Connector
Terminal
M29
14
−
22
Not existed
29
−
22
12
−
22
27
−
22
Electric parking brake control module
—
Continuity
Connector
Terminal
M29
28
Ground
Existed
30
PB-72
< DTC/CIRCUIT DIAGNOSIS >
C1BD0 MOTOR
1.
Check the electric parking brake control module harness connector for disconnection or looseness.
2.
Check the electric parking brake control module pin terminals for damage or loose connection with har-
ness connector.
3.
Check the parking brake actuator harness connector for disconnection or looseness.
4.
Check the parking brake actuator pin terminals for damage or loose connection with harness connector.
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> Repair or replace error-detected parts, and GO TO 6.
6.
PERFORM SELF-DIAGNOSIS
With CONSULT
1.
Connect the electric parking brake control module harness connector.
2.
Connect the parking brake actuator harness connector.
3.
Turn the ignition switch ON.
4.
Erase self-diagnosis result for “EHS/PKB”.
5.
Repeat the parking brake switch operation (pull and push) five times.
6.
Perform self-diagnosis for “EHS/PKB”.
Is DTC “C1BD0” detected?
YES
>> Replace the electric parking brake control module. Refer to
PB-141, "Removal and Installation"
NO
>> INSPECTION END
C1BD1 PARKING BRAKE SWITCH
PB-73
< DTC/CIRCUIT DIAGNOSIS >
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A
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PB
N
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C1BD1 PARKING BRAKE SWITCH
DTC Description
INFOID:0000000010833662
DTC DETECTION LOGIC
POSSIBLE CAUSE
• Harness or connector
• Parking brake switch
• Electric parking brake control module
FAIL-SAFE
• Apply and release by switch are prohibited.
• Automatic apply and release are available.
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 “C1BD1” 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:0000000010833663
1.
CHECK DATA MONITOR
With CONSULT
1.
Turn the ignition switch ON.
2.
Select “EHS/PKB”, “DATA MONITOR” and “PB SW” according to this order. Check that data monitor dis-
plays when parking brake switch is pull, neutral or push. Refer to
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> GO TO 2.
2.
CHECK PARKING BRAKE SWITCH CIRCUIT (1)
1.
Turn the ignition switch OFF.
2.
Disconnect the parking brake switch harness connector.
3.
Disconnect the electric parking brake control module harness connector.
DTC
Display Item
(Trouble diagnosis content)
Malfunction detected condition
C1BD1
PARKING BRAKE SWITCH
(Parking brake switch)
When malfunction is detected in the parking brake switch (apply side).
PB-74
< DTC/CIRCUIT DIAGNOSIS >
C1BD1 PARKING BRAKE SWITCH
4.
Check the continuity between electric parking brake control module harness connector and parking brake
switch harness connector.
5.
Check the continuity between electric parking brake control module harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace error-detected parts, and GO TO 3.
3.
CHECK PARKING BRAKE SWITCH
Check the parking brake switch. Refer to
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Replace the parking brake switch. Refer to
PB-145, "Removal and Installation"
.
4.
CHECK CONNECTOR AND TERMINAL
1.
Check the parking brake switch harness connector for disconnection or looseness.
2.
Check the parking brake switch pin terminals for damage or loose connection with harness connector.
3.
Check the electric parking brake control module harness connector for disconnection or looseness.
4.
Check the electric parking brake control module pin terminals for damage or loose connection with har-
ness connector.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Repair or replace error-detected parts, and GO TO 5.
5.
PERFORM SELF-DIAGNOSIS
With CONSULT
1.
Connect the parking brake switch harness connector.
2.
Connect the electric parking brake control module harness connector.
3.
Turn the ignition switch ON.
4.
Erase self-diagnosis result for “EHS/PKB”.
5.
Repeat the parking brake switch operation (pull and push) five times.
6.
Perform self-diagnosis for “EHS/PKB”.
Is DTC “C1BD1” detected?
Electric parking brake control module
Parking brake switch
Continuity
Connector
Terminal
Connector
Terminal
M29
9
M30
2
Existed
8
3
10
1
11
6
18
10
19
4
20
5
Electric parking brake control module
—
Continuity
Connector
Terminal
M29
9
Ground
Not existed
8
10
11
18
19
20
C1BD1 PARKING BRAKE SWITCH
PB-75
< DTC/CIRCUIT DIAGNOSIS >
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A
B
PB
N
O
P
YES
>> Replace the electric parking brake control module. Refer to
PB-141, "Removal and Installation"
NO
>> INSPECTION END
Component Inspection
INFOID:0000000010833664
1.
CHECK PARKING BRAKE SWITCH
1.
Turn the ignition switch OFF.
2.
Disconnect the parking brake switch harness connector.
3.
Check the continuity when parking brake switch is operated.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace the parking brake switch. Refer to
PB-145, "Removal and Installation"
.
Condition
Terminal
Continuity
When parking brake switch is neutral
1
−
6
Existed
4
−
5
Existed
2
−
5
Not existed
6
−
10
Not existed
When parking brake switch is push
6
−
10
Existed
1
−
6
Existed
4
−
5
Not existed
2
−
5
Not existed
When parking brake switch is pull
4
−
5
Existed
2
−
5
Existed
1
−
6
Not existed
6
−
10
Not existed
PB-76
< DTC/CIRCUIT DIAGNOSIS >
C1BD2 PARKING BRAKE SWITCH
C1BD2 PARKING BRAKE SWITCH
DTC Description
INFOID:0000000010833665
DTC DETECTION LOGIC
POSSIBLE CAUSE
• Harness or connector
• Parking brake switch
• Electric parking brake control module
FAIL-SAFE
• Apply and release by switch are prohibited.
• Automatic apply and release are available.
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 “C1BD2” 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:0000000010833666
1.
CHECK DATA MONITOR
With CONSULT
1.
Turn the ignition switch ON.
2.
Select “EHS/PKB”, “DATA MONITOR” and “PB SW” according to this order. Check that data monitor dis-
plays when parking brake switch is pull, neutral or push. Refer to
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> GO TO 2.
2.
CHECK PARKING BRAKE SWITCH CIRCUIT (1)
1.
Turn the ignition switch OFF.
2.
Disconnect the parking brake switch harness connector.
3.
Disconnect the electric parking brake control module harness connector.
DTC
Display Item
(Trouble diagnosis content)
Malfunction detected condition
C1BD2
PARKING BRAKE SWITCH
(Parking brake switch)
When malfunction is detected in the parking brake switch (release side).
C1BD2 PARKING BRAKE SWITCH
PB-77
< DTC/CIRCUIT DIAGNOSIS >
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A
B
PB
N
O
P
4.
Check the continuity between electric parking brake control module harness connector and parking brake
switch harness connector.
5.
Check the continuity between electric parking brake control module harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace error-detected parts, and GO TO 3.
3.
CHECK PARKING BRAKE SWITCH
Check the parking brake switch. Refer to
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Replace the parking brake switch. Refer to
PB-145, "Removal and Installation"
.
4.
CHECK CONNECTOR AND TERMINAL
1.
Check the parking brake switch harness connector for disconnection or looseness.
2.
Check the parking brake switch pin terminals for damage or loose connection with harness connector.
3.
Check the electric parking brake control module harness connector for disconnection or looseness.
4.
Check the electric parking brake control module pin terminals for damage or loose connection with har-
ness connector.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Repair or replace error-detected parts, and GO TO 5.
5.
PERFORM SELF-DIAGNOSIS
With CONSULT
1.
Connect the parking brake switch harness connector.
2.
Connect the electric parking brake control module harness connector.
3.
Turn the ignition switch ON.
4.
Erase self-diagnosis result for “EHS/PKB”.
5.
Repeat the parking brake switch operation (pull and push) five times.
6.
Perform self-diagnosis for “EHS/PKB”.
Is DTC “C1BD2” detected?
Electric parking brake control module
Parking brake switch
Continuity
Connector
Terminal
Connector
Terminal
M29
9
M30
2
Existed
8
3
10
1
11
6
18
10
19
4
20
5
Electric parking brake control module
—
Continuity
Connector
Terminal
M29
9
Ground
Not existed
8
10
11
18
19
20
PB-78
< DTC/CIRCUIT DIAGNOSIS >
C1BD2 PARKING BRAKE SWITCH
YES
>> Replace the electric parking brake control module. Refer to
PB-141, "Removal and Installation"
NO
>> INSPECTION END
Component Inspection
INFOID:0000000010833667
1.
CHECK PARKING BRAKE SWITCH
1.
Turn the ignition switch OFF.
2.
Disconnect the parking brake switch harness connector.
3.
Check the continuity when parking brake switch is operated.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace the parking brake switch. Refer to
PB-145, "Removal and Installation"
.
Condition
Terminal
Continuity
When parking brake switch is neutral
1
−
6
Existed
4
−
5
Existed
2
−
5
Not existed
6
−
10
Not existed
When parking brake switch is push
6
−
10
Existed
1
−
6
Existed
4
−
5
Not existed
2
−
5
Not existed
When parking brake switch is pull
4
−
5
Existed
2
−
5
Existed
1
−
6
Not existed
6
−
10
Not existed
C1BD3 PARKING BRAKE SWITCH
PB-79
< DTC/CIRCUIT DIAGNOSIS >
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PB
N
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C1BD3 PARKING BRAKE SWITCH
DTC Description
INFOID:0000000010833668
DTC DETECTION LOGIC
POSSIBLE CAUSE
• Harness or connector
• Parking brake switch
• Electric parking brake control module
FAIL-SAFE
• Apply and release by switch are prohibited.
• Automatic apply and release are available.
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:
• Put 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 “C1BD3” 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:0000000010833669
1.
CHECK PARKING BRAKE SWITCH INDICATOR LAMP POWER SUPPLY
1.
Turn the ignition switch OFF.
2.
Disconnect the parking brake switch harness connector.
3.
Check the voltage between parking brake switch harness connector and ground.
4.
Turn the ignition switch ON.
5.
Check the voltage between parking brake switch harness connector and ground.
DTC
Display Item
(Trouble diagnosis content)
Malfunction detected condition
C1BD3
PARKING BRAKE SWITCH
(Parking brake switch)
Parking brake switch indicator lamp does not illuminate when the parking brake is ap-
ply status (parking brake switch is apply).
Parking brake switch
—
Voltage
Connector
Terminal
M30
7
Ground
9
−
16
PB-80
< DTC/CIRCUIT DIAGNOSIS >
C1BD3 PARKING BRAKE SWITCH
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.
Disconnect the fuse block (J/B) harness connector.
3.
Check the 10A fuse (#28).
4.
Check the continuity between parking brake switch harness connector and fuse block (J/B).
Is the inspection result normal?
YES
>> Perform trouble diagnosis for ignition power supply.
NO
>> Repair or replace error-detected parts.
3.
CHECK PARKING BRAKE SWITCH CIRCUIT (1)
1.
Turn the ignition switch OFF.
2.
Disconnect the electric parking brake control module harness connector.
3.
Check the continuity between electric parking brake control module harness connector and parking brake
switch harness connector.
4.
Check the continuity between electric parking brake control module harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace error-detected parts, and GO TO 4.
4.
CHECK PARKING BRAKE SWITCH
Check the parking brake switch. Refer to
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Replace the parking brake switch. Refer to
PB-145, "Removal and Installation"
.
5.
CHECK CONNECTOR AND TERMINAL
1.
Check the parking brake switch harness connector for disconnection or looseness.
2.
Check the parking brake switch pin terminals for damage or loose connection with harness connector.
3.
Check the electric parking brake control module harness connector for disconnection or looseness.
4.
Check the electric parking brake control module pin terminals for damage or loose connection with har-
ness connector.
5.
Check the fuse block (J/B) harness connector for disconnection or looseness.
6.
Check the fuse block (J/B) pin terminals for damage or loose connection with harness connector.
Parking brake switch
—
Voltage
Connector
Terminal
M30
7
Ground
9
−
16
Parking brake switch
Fuse block (J/B)
Continuity
Connector
Terminal
Connector
Terminal
M30
7
M76
15C
Existed
Electric parking brake control module
Parking brake switch
Continuity
Connector
Terminal
Connector
Terminal
M29
8
M30
3
Existed
Electric parking brake control module
—
Continuity
Connector
Terminal
M29
8
Ground
Not existed
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