Nissan Leaf. Manual - part 325

 

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Nissan Leaf. Manual - part 325

 

 

BRC-90

< DTC/CIRCUIT DIAGNOSIS >

[WITH VDC]

C1115 WHEEL SENSOR

3.

CHECK DATA MONITOR (1)

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.

3. Set the vehicle to READY.

4. Select “ABS” and “Data Monitor”, check the “FR LH SENSOR”, “FR RH SENSOR”, “RR LH SENSOR”

and “RR RH SENSOR”.

NOTE:

Set the “Data Monitor” recording speed to “10 msec”.

5. Read a value (wheel speed) of both normal wheel sensors and error-detecting wheel sensor. 
Regarding the deference at 30 km/h (19 MPH) between the wheel speed detected by the error detecting

wheel sensor and the maximum/minimum wheel speed detected by the normal wheel sensors, is the differ-

ence within 5%, respectively?

YES

>> GO TO 4.

NO

>> GO TO 5.

4.

PERFORM SELF DIAGNOSTIC (1)

With CONSULT

1. Drive the vehicle at approx. 30 km/h (19 MPH) or more for approx. 1 minute.

2. Stop the vehicle.

3. Turn the power switch OFF 

→ ON.

CAUTION:

• Be sure to wait of 10 seconds after turning power switch OFF or ON.

• Set the vehicle to READY.

4. Repeat step 3 two or more times.

5. Perform “Self Diagnostic Result” of “ABS”.
Is DTC “C1115” detected?

YES

>> GO TO 5.

NO

>> Inspection End.

5.

CHECK WHEEL SENSOR

1. Turn the power switch OFF.

2. Check the wheel sensor for damage.

3. Remove dust and foreign matter adhered to the sensor rotor with a vacuum dust collector through the

wheel sensor mounting hole.

CAUTION:

Install wheel sensor with no backlash and float, and tighten the mounting bolt to the specified

torque.

• Front: Refer to 

BRC-158, "FRONT WHEEL SENSOR : Exploded View"

.

• Rear:  Refer  to 

BRC-159, "REAR WHEEL SENSOR : Exploded View"

.

Is the inspection result normal?

YES

>> GO TO 8.

NO

>> GO TO 6.

6.

REPLACE WHEEL SENSOR (1)

With CONSULT

1. Replace wheel sensor.

-

Front: Refer to 

BRC-158, "FRONT WHEEL SENSOR : Removal and Installation"

.

-

Rear: Refer to 

BRC-159, "REAR WHEEL SENSOR : Removal and Installation"

.

2. Erase “Self Diagnostic Result” of “ABS”.

3. Turn the power switch OFF 

→ ON → OFF.

CAUTION:

Be sure to wait of 10 seconds after turning power switch OFF or ON.

4. Set the vehicle to READY.

5. Select “ABS” and “Data Monitor”, check the “FR LH SENSOR”, “FR RH SENSOR”, “RR LH SENSOR”

and “RR RH SENSOR”.

C1115 WHEEL SENSOR

BRC-91

< DTC/CIRCUIT DIAGNOSIS >

[WITH VDC]

C

D

E

G

H

I

J

K

L

M

A

B

BRC

N

O

P

NOTE:

Set the “Data Monitor” recording speed to “10 msec”.

6. Read a value (wheel speed) of both normal wheel sensors and error-detecting wheel sensor.
Regarding the deference at 30 km/h (19 MPH) between the wheel speed detected by the error detecting

wheel sensor and the maximum/minimum wheel speed detected by the normal wheel sensors, is the differ-

ence within 5%, respectively?

YES

>> GO TO 7.

NO

>> GO TO 19.

7.

PERFORM SELF DIAGNOSTIC (2)

With CONSULT

1. Drive the vehicle at approx. 30 km/h (19 MPH) or more for approx. 1 minute.

2. Stop the vehicle.

3. Turn the power switch OFF 

→ ON.

CAUTION:

• Be sure to wait of 10 seconds after turning power switch OFF or ON.

• Set the vehicle to READY.

4. Repeat step 3 two or more times.

5. Perform “Self Diagnostic Result” of “ABS”.
Is DTC “C1115” detected?

YES

>> GO TO 19.

NO

>> Inspection End.

8.

CHECK CONNECTOR

1. Turn the power switch OFF.

2. Check the ABS actuator and electric unit (control unit) harness connector for disconnection or looseness.

3. Check the wheel sensor harness connector for disconnection or looseness.
Is the inspection result normal?

YES

>> GO TO 11.

NO

>> Repair or replace error-detected parts, securely lock the connector, and GO TO 9.

9.

CHECK DATA MONITOR (2)

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.

3. Set the vehicle to READY.

4. Select “ABS” and “Data Monitor”, check the “FR LH SENSOR”, “FR RH SENSOR”, “RR LH SENSOR”

and “RR RH SENSOR”.

NOTE:

Set the “Data Monitor” recording speed to “10 msec”.

5. Read a value (wheel speed) of both normal wheel sensors and error-detecting wheel sensor.
Regarding the deference at 30 km/h (19 MPH) between the wheel speed detected by the error detecting

wheel sensor and the maximum/minimum wheel speed detected by the normal wheel sensors, is the differ-

ence within 5%, respectively?

YES

>> GO TO 10.

NO

>> GO TO 11.

10.

PERFORM SELF DIAGNOSTIC (3)

With CONSULT

1. Drive the vehicle at approx. 30 km/h (19 MPH) or more for approx. 1 minute.

2. Stop the vehicle.

3. Turn the power switch OFF 

→ ON.

CAUTION:

• Be sure to wait of 10 seconds after turning power switch OFF or ON.

• Set the vehicle to READY.

4. Repeat step 3 two or more times.

5. Perform “Self Diagnostic Result” of “ABS”.

BRC-92

< DTC/CIRCUIT DIAGNOSIS >

[WITH VDC]

C1115 WHEEL SENSOR

Is DTC “C1115” detected?

YES

>> GO TO 11.

NO

>> Inspection End.

11.

CHECK TERMINAL

1. Turn the power switch OFF.

2. Disconnect ABS actuator and electric unit (control unit) harness connector and then check the ABS actu-

ator and electric unit (control unit) pin terminals for damage or loose connection with harness connector.

3. Disconnect wheel sensor harness connector and check the each wheel sensor pin terminals for damage

or loose connection with harness connector.

Is the inspection result normal?

YES

>> GO TO 14.

NO

>> Repair or replace error-detected parts and GO TO 12.

12.

CHECK DATA MONITOR (3)

With CONSULT

1. Connect ABS actuator and electric unit (control unit) harness connector.

2. Connect wheel sensor harness connector.

3. Erase “Self Diagnostic Result” of “ABS”.

4. Turn the power switch OFF 

→ ON → OFF.

CAUTION:

Be sure to wait of 10 seconds after turning power switch OFF or ON.

5. Set the vehicle to READY.

6. Select “ABS” and “Data Monitor”, check the “FR LH SENSOR”, “FR RH SENSOR”, “RR LH SENSOR”

and “RR RH SENSOR”.

NOTE:

Set the “Data Monitor” recording speed to “10 msec”.

7. Read a value (wheel speed) of both normal wheel sensors and error-detecting wheel sensor.
Regarding the deference at 30 km/h (19 MPH) between the wheel speed detected by the error detecting

wheel sensor and the maximum/minimum wheel speed detected by the normal wheel sensors, is the differ-

ence within 5%, respectively?

YES

>> GO TO 13.

NO

>> GO TO 14.

13.

PERFORM SELF DIAGNOSTIC (4)

With CONSULT

1. Drive the vehicle at approx. 30 km/h (19 MPH) or more for approx. 1 minute.

2. Stop the vehicle.

3. Turn the power switch OFF 

→ ON.

CAUTION:

• Be sure to wait of 10 seconds after turning power switch OFF or ON.

• Set the vehicle to READY.

4. Repeat step 3 two or more times.

5. Perform “Self Diagnostic Result” of “ABS”.
Is DTC “C1115” detected?

YES

>> GO TO 14.

NO

>> Inspection End.

14.

CHECK WHEEL SENSOR HARNESS

1. Turn the power switch OFF.

2. Disconnect ABS actuator and electric unit (control unit) harness connector.

3. Disconnect wheel sensor harness connector.

4. Check the continuity between ABS actuator and electric unit (control unit) harness connector and wheel

sensor harness connector. (Check the continuity when steering wheel is steered to RH and LH, or center

harness in wheel housing is moved.) 

C1115 WHEEL SENSOR

BRC-93

< DTC/CIRCUIT DIAGNOSIS >

[WITH VDC]

C

D

E

G

H

I

J

K

L

M

A

B

BRC

N

O

P

Measurement connector and terminal for power supply circuit

Measurement connector and terminal for signal circuit

5. Check the continuity between ABS actuator and electric unit (control unit) harness connector and the

ground.

Is the inspection result normal?

YES

>> GO TO 15.

NO

>> Repair or replace error-detected parts and GO TO 15.

15.

CHECK DATA MONITOR (4)

With CONSULT

1. Connect ABS actuator and electric unit (control unit) harness connector.

2. Connect wheel sensor harness connector.

3. Erase “Self Diagnostic Result” of “ABS”.

4. Turn the power switch OFF 

→ ON → OFF.

CAUTION:

Be sure to wait of 10 seconds after turning power switch OFF or ON.

5. Set the vehicle to READY.

6. Select “ABS” and “Data Monitor”, check the “FR LH SENSOR”, “FR RH SENSOR”, “RR LH SENSOR”

and “RR RH SENSOR”.

NOTE:

Set the “Data Monitor” recording speed to “10 msec”.

7. Read a value (wheel speed) of both normal wheel sensors and error-detecting wheel sensor.
Regarding the deference at 30 km/h (19 MPH) between the wheel speed detected by the error detecting

wheel sensor and the maximum/minimum wheel speed detected by the normal wheel sensors, is the differ-

ence within 5%, respectively?

YES

>> GO TO 16.

NO

>> GO TO 17.

16.

PERFORM SELF DIAGNOSTIC (5)

With CONSULT

1. Drive the vehicle at approx. 30 km/h (19 MPH) or more for approx. 1 minute.

2. Stop the vehicle.

3. Turn the power switch OFF 

→ ON.

ABS actuator and electric unit (control unit)

Wheel sensor

Continuity

Connector

Terminal

Connector

Terminal

E35

23

E22

Front LH wheel

2

Yes

21

E39

Front RH wheel

26

B202

Rear LH wheel

11

B203

Rear RH wheel

ABS actuator and electric unit (control unit)

Wheel sensor

Continuity

Connector

Terminal

Connector

Terminal

E35

27

E22

Front LH wheel

1

Yes

12

E39

Front RH wheel

30

B202

Rear LH wheel

15

B203

Rear RH wheel

ABS actuator and electric unit (control unit)

Continuity

Connector

Terminal

E35

23, 27

Ground

No

21, 12

26, 30

11, 15

 

 

 

 

 

 

 

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