Nissan Leaf. Manual — part 320
BRC-70
< BASIC INSPECTION >
[WITH VDC]
ADJUSTMENT OF STEERING ANGLE SENSOR NEUTRAL POSITION
ADJUSTMENT OF STEERING ANGLE SENSOR NEUTRAL POSITION
Description
INFOID:0000000010120052
Always adjust the neutral position of steering angle sensor before driving when the following operation is per-
formed.
×: Required —: Not required
Work Procedure
INFOID:0000000010120053
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 (1)
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 power switch ON.
CAUTION:
Never set the vehicle to READY.
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 power switch OFF, and then turn it ON again.
CAUTION:
Be sure to perform the operation above.
>> GO TO 3.
3.
CHECK DATA MONITOR (1)
With CONSULT
1. The vehicle is either pointing straight ahead, or the vehicle needs to be moved. 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.
×
ADJUSTMENT OF STEERING ANGLE SENSOR NEUTRAL POSITION
BRC-71
< BASIC INSPECTION >
[WITH VDC]
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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 10.
NO
>> GO TO 4.
4.
CHECK STEERING COMPONENT PARTS
Check the installation conditions of steering component parts. Refer to
.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Repair or replace error-detected parts. GO TO 5.
5.
CHECK SUSPENSION COMPONENT PARTS
Check the installation conditions of suspension component parts.
• Front: Refer to
.
• Rear: Refer to
.
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> Repair or replace error-detected parts. GO TO 6.
6.
CHECK WHEEL ALIGNMENT
Check the wheel alignment.
• Front: Refer to
• Rear: Refer to
.
Is the inspection result normal?
YES
>> GO TO 7.
NO
>> Adjust the wheel alignment. GO TO 7.
• Front: Refer to
• Rear: Refer to
.
7.
CHECK THE VEHICLE STATUS (2)
Check the vehicle stay in the straight-ahead position. Refer to
.
Is the inspection result normal?
YES
>> GO TO 8.
NO
>> Adjust the vehicle stay in the straight-ahead position. GO TO 8.
8.
CHECK DATA MONITOR (2)
With CONSULT
1. The vehicle is either pointing straight ahead, or the vehicle needs to be moved again. Stop when it is
pointing straight ahead.
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 10.
NO
>> GO TO 9.
9.
CHECK DATA MONITOR (3)
With CONSULT
1. The vehicle is either pointing straight ahead, or the vehicle needs to be moved.
CAUTION:
• Drive the vehicle at approx. 30 km/h (19 MPH) or more for 300 m (985 ft) or more.
• Never use tester.
2. Stop when it is pointing straight ahead.
STR ANGLE SIG
: 0
±2.5°
STR ANGLE SIG
: 0
±2.5°
BRC-72
< BASIC INSPECTION >
[WITH VDC]
ADJUSTMENT OF STEERING ANGLE SENSOR NEUTRAL POSITION
3. 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 10.
NO
>> GO TO 1.
10.
ERASE SELF DIAGNOSTIC MEMORY
With CONSULT
1. Erase “Self Diagnostic Result” of “ABS”.
2. Turn the power switch OFF
→ ON → OFF.
CAUTION:
Be sure to wait of 10 seconds after turning power switch OFF or ON.
Are the memories erased?
YES
>> Inspection End.
NO
>> Check the items indicated by the “Self Diagnostic Result”.
STR ANGLE SIG
: 0
±2.5°
C1101, C1102, C1103, C1104 WHEEL SENSOR
BRC-73
< DTC/CIRCUIT DIAGNOSIS >
[WITH VDC]
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DTC/CIRCUIT DIAGNOSIS
C1101, C1102, C1103, C1104 WHEEL SENSOR
DTC Logic
INFOID:0000000010435994
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
CHECK SELF DIAGNOSTIC RESULT
With
CONSULT.
1. Start engine and drive vehicle at approximately 21 km/h (13 MPH) or more for approximately 5 minutes.
2. Perform “Self Diagnostic Result”.
Is DTC C1101, C1102, C1103 or C1104 detected?
YES
>> Proceed to diagnosis procedure. Refer to
.
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000010435995
Regarding Wiring Diagram information. Refer to
1.
CONFIRM DTC
With CONSULT
1. Perform “Self Diagnosis Result” of “ABS” and record all active DTCs.
2. Clear all DTCs.
3. Perform DTC confirmation procedure. Refer to
.
Does DTC C1101, C1102, C1103 or C1104 reset?
YES
>> GO TO 2.
NO
>> Refer to
GI-53, "Intermittent Incident"
.
2.
INSPECT WHEEL SENSOR
Inspect the suspect wheel sensor for damage or deformation.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace as necessary.
3.
HARNESS AND CONNECTOR INSPECTION
DTC
Display Item
Malfunction detected condition
Possible causes
C1101
RR RH SENSOR-1
• When power supply voltage of rear wheel sensor
RH is low.
• When an open or shorted circuit is detected in rear
wheel sensor RH circuit.
• Harness or connector
• Wheel sensor
• ABS actuator and electric unit
(control unit)
C1102
RR LH SENSOR-1
• When power supply voltage of rear wheel sensor
LH is low.
• When an open or shorted circuit is detected in rear
wheel sensor LH circuit.
C1103
FR RH SENSOR-1
• When power supply voltage of front wheel sensor
RH is low.
• When an open or shorted circuit is detected in front
wheel sensor RH circuit.
C1104
FR LH SENSOR-1
• When power supply voltage of front wheel sensor
LH is low.
• When an open or shorted circuit is detected in front
wheel sensor LH circuit.
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