Nissan Murano Z51. Manual — part 310
C1143 STEERING ANGLE SENSOR
BRC-63
< 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
>> GO TO 4.
NO
>> Repair or replace error-detected parts.
4.
CHECK STEERING WHEEL PLAY
Check steering wheel play. Refer to
.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Repair or replace error-detected parts.
5.
CHECK DATA MONITOR
1.
Connect the ABS actuator and electric unit (control unit) harness connector.
2.
Connect the steering angle sensor harness connector.
3.
Check steering angle sensor signal. Refer to
BRC-63, "Component Inspection"
.
Is the inspection result normal?
YES
>> Replace ABS actuator and electric unit (control unit). Refer to
.
NO
>> Replace steering angle sensor. Refer to
.
Component Inspection
INFOID:0000000005517336
1.
CHECK DATA MONITOR
Select “ABS”, “DATA MONITOR” and “STR ANGLE SIG” in order with CONSULT-III, and check steering angle
sensor signal.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Proceed to diagnosis procedure. Refer to
.
Special Repair Requirement
INFOID:0000000005517337
1.
ADJUSTMENT OF STEERING ANGLE SENSOR NEUTRAL POSITION AND CALIBRATION OF DECEL G
SENSOR
• After removing/replacing a steering angle sensor, be sure to perform the following procedure.
- Adjustment of steering angle sensor neutral position: Refer to
BRC-9, "ADJUSTMENT OF STEERING
ANGLE SENSOR NEUTRAL POSITION : Description"
.
• After removing/replacing an ABS actuator and electric unit (control unit), be sure to perform the following
procedure.
- Adjustment of steering angle sensor neutral position: Refer to
BRC-9, "ADJUSTMENT OF STEERING
ANGLE SENSOR NEUTRAL POSITION : Description"
.
- Calibration of decel G sensor: Refer to
BRC-10, "CALIBRATION OF DECEL G SENSOR : Description"
.
>> END
Steering angle sensor
—
Continuity
Connector
Terminal
M30
1
Ground
Existed
Steering condition
STR ANGLE SIG (DATA MONITOR)
Driving straight
−
3.5 – +3.5
°
Turn 90
°
to right
Approx.
−
90
°
Turn 90
°
to left
Approx. +90
°
BRC-64
< DTC/CIRCUIT DIAGNOSIS >
[VDC/TCS/ABS]
C1144 INCOMPLETE STEERING ANGLE SENSOR ADJUSTMENT
C1144 INCOMPLETE STEERING ANGLE SENSOR ADJUSTMENT
Description
INFOID:0000000005532204
The steering angle sensor detects the rotation amount, angular velocity and direction of the steering wheel,
and transmits the data to the ABS actuator and electric unit (control unit) via CAN communication.
DTC Logic
INFOID:0000000005517338
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
DTC REPRODUCTION PROCEDURE
1.
Turn the ignition switch ON.
2.
Select “ABS”, “WORK SUPPORT” and “ST ANGLE SENSOR ADJUSTMENT” in order with CONSULT-III,
and perform adjust the neutral position of steering angle sensor.
3.
Perform self-diagnosis for “ABS” with CONSULT-III.
Is DTC “C1144” detected?
YES
>> Proceed to diagnosis procedure. Refer to
.
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000005517339
1.
CHECK STEERING ANGLE SENSOR
Check steering angle sensor. Refer to
Is the inspection result normal?
YES
>> Replace ABS actuator and electric unit (control unit). Refer to
.
NO
>> Repair or replace error-detected parts.
Component Inspection
INFOID:0000000005532205
1.
CHECK DATA MONITOR
Select “ABS”, “DATA MONITOR” and “STR ANGLE SIG” in order with CONSULT-III, and check steering angle
sensor signal.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Proceed to diagnosis procedure. Refer to
.
Special Repair Requirement
INFOID:0000000005532221
1.
ADJUSTMENT OF STEERING ANGLE SENSOR NEUTRAL POSITION AND CALIBRATION OF DECEL G
SENSOR
• After removing/replacing a steering angle sensor, be sure to perform the following procedure.
DTC
Display item
Malfunction detected condition
Possible cause
C1144
ST ANG SEN SIGNAL
Adjustment of steering angle sensor neutral position is
not finished.
• Harness or connector
• Steering angle sensor
• ABS actuator and electric unit
(control unit)
Steering condition
STR ANGLE SIG (DATA MONITOR)
Driving straight
−
3.5 – +3.5
°
Turn 90
°
to right
Approx.
−
90
°
Turn 90
°
to left
Approx. +90
°
C1144 INCOMPLETE STEERING ANGLE SENSOR ADJUSTMENT
BRC-65
< DTC/CIRCUIT DIAGNOSIS >
[VDC/TCS/ABS]
C
D
E
G
H
I
J
K
L
M
A
B
BRC
N
O
P
- Adjustment of steering angle sensor neutral position: Refer to
BRC-9, "ADJUSTMENT OF STEERING
ANGLE SENSOR NEUTRAL POSITION : Description"
.
• After removing/replacing an ABS actuator and electric unit (control unit), be sure to perform the following
procedure.
- Adjustment of steering angle sensor neutral position: Refer to
BRC-9, "ADJUSTMENT OF STEERING
ANGLE SENSOR NEUTRAL POSITION : Description"
.
- Calibration of decel G sensor: Refer to
BRC-10, "CALIBRATION OF DECEL G SENSOR : Description"
.
>> END
BRC-66
< DTC/CIRCUIT DIAGNOSIS >
[VDC/TCS/ABS]
C1155 BRAKE FLUID LEVEL SWITCH
C1155 BRAKE FLUID LEVEL SWITCH
Description
INFOID:0000000005517341
The brake fluid level switch converts the brake fluid level to an electric signal and transmits it to the ABS actu-
ator and electric unit (control unit).
DTC Logic
INFOID:0000000005517342
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
DTC REPRODUCTION PROCEDURE
1.
Turn the ignition switch ON.
2.
Perform self-diagnosis for “ABS” with CONSULT-III.
Is DTC “C1155” detected?
YES
>> Proceed to diagnosis procedure. Refer to
.
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000005517343
1.
CHECK BRAKE FLUID LEVEL
Check the brake fluid level.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Refill the brake fluid.
2.
CHECK CONNECTOR
1.
Turn the ignition switch OFF.
2.
Disconnect brake fluid level switch harness connector.
3.
Disconnect combination meter harness connector.
4.
Check terminal for deformation, disconnection, looseness, etc.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Replace or repair error-detected parts.
3.
CHECK BRAKE FLUID LEVEL SWITCH
Check brake fluid level switch. Refer to
BRC-67, "Component Inspection"
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Brake fluid level switch is malfunction. Replace reservoir tank. Refer to
4.
CHECK BRAKE FLUID LEVEL SWITCH CIRCUIT
1.
Check the continuity between brake fluid level switch harness connector and ABS actuator and electric
unit (control unit) harness connector.
DTC
Display item
Malfunction detected condition
Possible cause
C1155
BR FLUID LEVEL LOW
Brake fluid level is low or communication line between
the ABS actuator and electric unit (control unit) and brake
fluid level switch is open or shorted.
• Harness or connector
• ABS actuator and electric unit
(control unit)
• Brake fluid level low
• Brake fluid level switch
• Combination meter
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