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 

ST-33, "Inspection"

.

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 

FSU-10, "Inspection"

.

• Rear: Refer to 

RSU-6, "Inspection"

.

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 

FSU-11, "Inspection"

.

• Rear: Refer to 

RSU-7, "Inspection"

.

Is the inspection result normal?

YES

>> GO TO 7.

NO

>> Adjust the wheel alignment. GO TO 7.

• Front: Refer to 

FSU-11, "Adjustment"

.

• Rear: Refer to 

RSU-7, "Inspection"

.

7.

CHECK THE VEHICLE STATUS (2)

Check the vehicle stay in the straight-ahead position. Refer to 

ST-16, "Inspection"

.

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 

BRC-73, "Diagnosis Procedure"

.

NO

>> Inspection End.

Diagnosis Procedure

INFOID:0000000010435995

Regarding Wiring Diagram information. Refer to 

BRC-58, "Wiring Diagram"

.

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 

BRC-73, "DTC Logic"

.

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.