Nissan Quest E52. Instruction — part 239
ADJUSTMENT OF STEERING ANGLE SENSOR NEUTRAL POSITION
BRC-49
< BASIC INSPECTION >
[WITH VDC]
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ADJUSTMENT OF STEERING ANGLE SENSOR NEUTRAL POSITION
Description
INFOID:0000000009651374
Always adjust the neutral position of steering angle sensor before driving when the following operation is per-
formed.
×
: Required —: Not required
Work Procedure
INFOID:0000000009651375
ADJUST THE NEUTRAL POSITION OF STEERING ANGLE SENSOR
CAUTION:
Always use CONSULT when adjusting the neutral position of steering angle sensor. (It cannot be
adjusted other than with CONSULT.)
1.
CHECK THE VEHICLE STATUS
Stop vehicle with front wheels in the straight-ahead position.
Does the vehicle stay in the straight-ahead position?
YES
>> GO TO 2.
NO
>> Steer the steering wheel to the straight-ahead position. Stop the vehicle.
2.
ADJUST NEUTRAL POSITION OF STEERING ANGLE SENSOR
With CONSULT
1.
Turn the ignition switch ON.
CAUTION:
Never start engine.
2.
Select “ABS”, “WORK SUPPORT” and “ST ANGLE SENSOR ADJUSTMENT” in this order.
3.
Select “START”.
CAUTION:
Never touch steering wheel while adjusting steering angle sensor.
4.
After approx. 10 seconds, select “END”.
5.
Turn ignition switch OFF, and then turn it ON again.
CAUTION:
Be sure to perform the operation above.
>> GO TO 3.
3.
CHECK DATA MONITOR
With CONSULT
1.
The vehicle is either pointing straight ahead, or the vehicle needs to be moved [30
−
50 km/h (19
−
31
MPH). Stop when it is pointing straight ahead.
Procedure
Adjust the neutral position of steering angle sensor
Removing/ installing ABS actuator and electric unit (control unit)
—
Replacing ABS actuator and electric unit (control unit)
×
Removing/installing steering angle sensor
×
Replacing steering angle sensor
×
Removing/installing steering components
×
Replacing steering components
×
Removing/installing suspension components
×
Replacing suspension components
×
Removing/installing tire
—
Replacing tire
—
Tire rotation
—
Adjusting wheel alignment.
×
BRC-50
< BASIC INSPECTION >
[WITH VDC]
ADJUSTMENT OF STEERING ANGLE SENSOR NEUTRAL POSITION
2.
Select “ABS”, “DATA MONITOR”, “ECU INPUT SIGNALS” and “STR ANGLE SIG” in the order. Check that
the signal is within the specified value.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> GO TO 1.
4.
ERASE SELF-DIAGNOSIS MEMORY
With CONSULT
Erase self-diagnosis result of “ABS”.
Are the memories erased?
YES
>> INSPECTION END
NO
>> Check the items indicated by the self-diagnosis.
STR ANGLE SIG
: 0
±
3.5
°
C1101, C1102, C1103, C1104 WHEEL SENSOR
BRC-51
< DTC/CIRCUIT DIAGNOSIS >
[WITH VDC]
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DTC/CIRCUIT DIAGNOSIS
C1101, C1102, C1103, C1104 WHEEL SENSOR
DTC Logic
INFOID:0000000009651376
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PRECONDITIONING
If “DTC CONFIRMATION PROCEDURE” has been previously conducted, always turn ignition switch OFF and
wait at least 10 seconds before conducting the next test.
>> GO TO 2.
2.
CHECK DTC DETECTION
With CONSULT
1.
Stat the engine.
2.
Drive the vehicle at approx. 30 km/h (19 MPH) or more for approx. 1 minute.
3.
Stop the vehicle.
4.
Perform self-diagnosis for “ABS”.
Is DTC “C1101”, “C1102”, “C1103” or “C1104” detected?
YES
>> Proceed to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000009651377
CAUTION:
Never check between wheel sensor harness connector terminals.
1.
CHECK WHEEL SENSOR
1.
Turn the ignition switch OFF.
2.
Check wheel sensor for damage.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> GO TO 2.
2.
REPLACE WHEEL SENSOR (1)
With CONSULT
1.
Replace wheel sensor.
-
Front: Refer to
BRC-119, "FRONT WHEEL SENSOR : Removal and Installation"
-
Rear: Refer to
BRC-120, "REAR WHEEL SENSOR : Removal and Installation"
2.
Erase self-diagnosis result for “ABS”.
3.
Turn the ignition switch OFF, and wait 10 seconds or more.
4.
Start the engine.
5.
Drive the vehicle at approx. 30 km/h (19 MPH) or more for approx. 1 minute.
6.
Stop the vehicle.
DTC
Display Item
Malfunction detected condition
Possible causes
C1101
RR RH SENSOR-1
When an open circuit is detected in rear RH wheel
sensor circuit.
• Harness or connector
• Wheel sensor
• ABS actuator and electric unit
(control unit)
C1102
RR LH SENSOR-1
When an open circuit is detected in rear LH wheel
sensor circuit.
C1103
FR RH SENSOR-1
When an open circuit is detected in front RH wheel
sensor circuit.
C1104
FR LH SENSOR-1
When an open circuit is detected in front LH wheel
sensor circuit.
BRC-52
< DTC/CIRCUIT DIAGNOSIS >
[WITH VDC]
C1101, C1102, C1103, C1104 WHEEL SENSOR
7.
Perform self-diagnosis for “ABS”.
Is DTC “C1101”, “C1102”, “C1103” or “C1104” detected?
YES
>> GO TO 3.
NO
>> INSPECTION END
3.
CHECK CONNECTOR
1.
Turn the ignition switch OFF.
2.
Check ABS actuator and electric unit (control unit) harness connector for disconnection or looseness.
3.
Check wheel sensor harness connector for disconnection or looseness.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Repair or replace error-detected parts, securely lock the connector, and GO TO 4.
4.
PERFORM SELF-DIAGNOSIS (1)
With CONSULT
1.
Erase self-diagnosis result for “ABS”.
2.
Turn the ignition switch OFF, and wait 10 seconds or more.
3.
Start the engine.
4.
Drive the vehicle at approx. 30 km/h (19 MPH) or more for approx. 1 minute.
5.
Stop the vehicle.
6.
Perform self-diagnosis for “ABS”.
Is DTC “C1101”, “C1102”, “C1103” or “C1104” detected?
YES
>> GO TO 5.
NO
>> INSPECTION END
5.
CHECK TERMINAL
1.
Turn the ignition switch OFF.
2.
Disconnect ABS actuator and electric unit (control unit) harness connector and then check ABS actuator
and electric unit (control unit) pin terminals for damage or loose connection with harness connector.
3.
Disconnect wheel sensor harness connector and check each wheel sensor pin terminals for damage or
loose connection with harness connector.
Is the inspection result normal?
YES
>> GO TO 7.
NO
>> Repair or replace error-detected parts and GO TO 6.
6.
PERFORM SELF-DIAGNOSIS (2)
With CONSULT
1.
Connect ABS actuator and electric unit (control unit) harness connector.
2.
Connect wheel sensor harness connector.
3.
Erase self-diagnosis result for “ABS”.
4.
Turn the ignition switch OFF, and wait 10 seconds or more.
5.
Start the engine.
6.
Drive the vehicle at approx. 30 km/h (19 MPH) or more for approx. 1 minute.
7.
Stop the vehicle.
8.
Perform self-diagnosis for “ABS”.
Is DTC “C1101”, “C1102”, “C1103” or “C1104” detected?
YES
>> GO TO 7.
NO
>> INSPECTION END
7.
CHECK WHEEL SENSOR HARNESS
1.
Turn the ignition switch OFF.
2.
Disconnect ABS actuator and electric unit (control unit) harness connector.
3.
Disconnect wheel sensor harness connector.
4.
Check continuity between ABS actuator and electric unit (control unit) harness connector and wheel sen-
sor harness connector. (Check continuity when steering wheel is steered to RH and LH, or center harness
in wheel housing is moved.)
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