Nissan Pathfinder. Manual — part 255
C1140 ACTUATOR RELAY SYSTEM
BRC-79
< DTC/CIRCUIT DIAGNOSIS >
[VDC/TCS/ABS]
C
D
E
G
H
I
J
K
L
M
A
B
BRC
N
O
P
Is the inspection result normal?
YES
>> Replace ABS actuator and electric unit (control unit). Refer to
BRC-123, "Removal and Installa-
.
NO
>> Repair or replace malfunctioning components.
ABS actuator and electric unit (control unit)
—
Continuity
Connector
Terminal
E125
1
Ground
Yes
2
BRC-80
< DTC/CIRCUIT DIAGNOSIS >
[VDC/TCS/ABS]
C1142 PRESS SENSOR
C1142 PRESS SENSOR
DTC Logic
INFOID:0000000009177291
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:0000000009177292
1.
CHECK STOP LAMP SWITCH SYSTEM
Check stop lamp switch system. Refer to
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
.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace malfunctioning components.
4.
CHECK HYDRAULIC BOOSTER ASSEMBLY
Check hydraulic 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
C1142 PRESS SENSOR
BRC-81
< DTC/CIRCUIT DIAGNOSIS >
[VDC/TCS/ABS]
C
D
E
G
H
I
J
K
L
M
A
B
BRC
N
O
P
6. Perform self-diagnostic result.
Is DTC C1142 detected?
YES
>> Replace ABS actuator and electric unit (control unit). Refer to
BRC-123, "Removal and Installa-
NO
>> Inspection End.
BRC-82
< DTC/CIRCUIT DIAGNOSIS >
[VDC/TCS/ABS]
C1143 STEERING ANGLE SENSOR
C1143 STEERING ANGLE SENSOR
DTC Logic
INFOID:0000000009177293
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:0000000009177294
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 M54 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
M54
4
Ground
Battery voltage
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