Nissan Qashqai J11. Manual — part 965
C1142 PRESS SENSOR
BRC-97
< DTC/CIRCUIT DIAGNOSIS >
[WITH ESP]
C
D
E
G
H
I
J
K
L
M
A
B
BRC
N
O
P
C1142 PRESS SENSOR
DTC Logic
INFOID:0000000010329835
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
CHECK SELF-DIAGNOSTIC RESULT
With CONSULT.
1.
Turn ignition switch OFF to ON.
2.
Perform self-diagnostic result.
Is DTC C1142 detected?
YES
>> Proceed to diagnosis procedure. Refer to
.
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000010329836
1.
CHECK STOP LAMP SWITCH SYSTEM
Check stop lamp switch system.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace malfunctioning components.
2.
CHECK BRAKE FLUID LEAKAGE
Check brake fluid leakage. Refer to
.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace malfunctioning components.
3.
CHECK BRAKE PEDAL
Check brake pedal. Refer to
BR-8, "Inspection and Adjustment"
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace malfunctioning components.
4.
CHECK BRAKE BOOSTER ASSEMBLY
Check brake booster assembly. Refer to
.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Repair or replace malfunctioning components.
5.
CHECK SELF DIAGNOSTIC RESULT
With CONSULT.
1.
Turn ignition switch OFF to ON.
2.
Perform self-diagnostic result.
3.
Erase DTCs.
4.
Start engine and drive vehicle for a short period of time.
5.
Turn ignition switch OFF to ON.
DTC
Display Item
Malfunction detected condition
Possible causes
C1142
PRESS SEN CIRCUIT
When a malfunction is detected in master cylinder
pressure sensor.
• Stop lamp switch system
• ABS actuator and electric unit
(control unit)
• Brake system
BRC-98
< DTC/CIRCUIT DIAGNOSIS >
[WITH ESP]
C1142 PRESS SENSOR
6.
Perform self-diagnostic result.
Is DTC C1142 detected?
YES
>> Replace ABS actuator and electric unit (control unit). Refer to
BRC-142, "Removal and Installa-
NO
>> Inspection End.
C1143 STEERING ANGLE SENSOR
BRC-99
< DTC/CIRCUIT DIAGNOSIS >
[WITH ESP]
C
D
E
G
H
I
J
K
L
M
A
B
BRC
N
O
P
C1143 STEERING ANGLE SENSOR
DTC Logic
INFOID:0000000010329837
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
CHECK SELF-DIAGNOSTIC RESULT
With CONSULT.
1.
Turn ignition switch OFF to ON.
2.
Perform self-diagnostic result.
Is DTC C1143 detected?
YES
>> Proceed to diagnosis procedure. Refer to
.
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000010329838
Regarding Wiring Diagram information, refer to
1.
CONNECTOR INSPECTION
1.
Turn ignition switch OFF.
2.
Disconnect ABS actuator and electric unit (control unit) and steering angle sensor connectors.
3.
Check connectors and terminals for deformation, disconnection, looseness or damage.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace as necessary.
2.
CHECK STEERING ANGLE SENSOR MOUNTING CONDITION
Check steering angle sensor mounting condition.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace malfunctioning components.
3.
CHECK STEERING ANGLE SENSOR POWER SUPPLY
1.
Turn ignition switch OFF.
2.
Disconnect steering angle sensor connector.
3.
Turn ignition switch ON.
4.
Check voltage between steering angle sensor connector M62 terminal 4 and ground.
Is the inspection result normal?
YES
>> GO TO 5.
DTC
Display Item
Malfunction detected condition
Possible causes
C1143
ST ANG SEN CIRCUIT
When a malfunction is detected in steering angle sen-
sor.
• Harness or connector
• Steering angle sensor
• ABS actuator and electric unit
(control unit)
• Fuse
• Ignition power supply system
• CAN communication line
Steering angle sensor
—
Voltage
(Approx.)
Connector
Terminal
M62
4
Ground
Battery voltage
BRC-100
< DTC/CIRCUIT DIAGNOSIS >
[WITH ESP]
C1143 STEERING ANGLE SENSOR
NO
>> GO TO 4.
4.
CHECK STEERING ANGLE SENSOR POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect fuse block (J/B) connector M76.
3.
Check continuity between steering angle sensor connector M62 terminal 4 and Fuse block (J/B) connec-
tor M76 terminal 7B.
4.
Check continuity between steering angle sensor connector M54 terminal 4 and ground.
Is the inspection result normal?
YES
>> Perform trouble diagnosis for ignition power supply.
NO
>> Repair or replace malfunctioning components.
5.
CHECK STEERING ANGLE SENSOR GROUND CIRCUIT
1.
Turn ignition switch OFF.
2.
Check continuity between steering angle sensor connector M62 terminal 1 and ground.
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> Repair or replace malfunctioning components.
6.
CHECK CAN COMMUNICATION LINE
Check “STRG BRANCH LINE CIRCUIT”. Refer to
Is the inspection result normal?
YES
>> Replace ABS actuator and electric unit (control unit). Refer to
BRC-142, "Removal and Installa-
.
NO
>> Repair or replace malfunctioning components.
Steering angle sensor
Fuse block (J/B)
Continuity
Connector
Terminal
Connector
Terminal
M62
4
M76
7B
Yes
Steering angle sensor
—
Continuity
Connector
Terminal
M62
4
Ground
No
Steering angle sensor
—
Continuity
Connector
Terminal
M62
1
Ground
Yes
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