Nissan Murano Z51 (2012 year). Manual - part 13

C1115 WHEEL SENSOR

BRC-51

< DTC/CIRCUIT DIAGNOSIS >

[VDC/TCS/ABS]

C

D

E

G

H

I

J

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L

M

A

B

BRC

N

O

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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-DIAGNOSIS (1)

1.

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

2.

Stop the vehicle.

3.

Perform self-diagnosis for “ABS” with CONSULT.

Is DTC “C1115” detected?

YES

>> GO TO 5.

NO

>> INSPECTION END

5.

CHECK WHEEL SENSOR

1.

Turn the ignition 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-121, "FRONT WHEEL SENSOR : Exploded View"

.

• Rear: Refer to 

BRC-122, "REAR WHEEL SENSOR : Exploded View"

.

Is the inspection result normal?

YES

>> GO TO 8.

NO

>> GO TO 6.

6.

REPLACE WHEEL SENSOR (1)

1.

Replace wheel sensor.

-

Front: Refer to 

BRC-121, "FRONT WHEEL SENSOR : Exploded View"

.

-

Rear: Refer to 

BRC-122, "REAR WHEEL SENSOR : Exploded View"

.

2.

Erase self-diagnosis result for “ABS” with CONSULT.

3.

Turn the ignition switch OFF, and wait 10 seconds or more.

4.

Start the engine.

5.

Select “ABS” and “DATA MONITOR”, check the “FR LH SENSOR”, “FR RH SENSOR”, “RR LH SENSOR”
and “RR RH SENSOR” with CONSULT.
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-DIAGNOSIS (2)

1.

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

2.

Stop the vehicle.

3.

Perform self-diagnosis for “ABS” with CONSULT.

Is DTC “C1115” detected?

YES

>> GO TO 19.

NO

>> INSPECTION END

8.

CHECK CONNECTOR

1.

Turn the ignition switch OFF.

2.

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

Revision: 2013 February

2012 MURANO

BRC-52

< DTC/CIRCUIT DIAGNOSIS >

[VDC/TCS/ABS]

C1115 WHEEL SENSOR

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 harness connector, and GO TO 9.

9.

CHECK DATA MONITOR (2)

1.

Erase self-diagnosis result for “ABS” with CONSULT.

2.

Turn the ignition switch OFF, and wait 10 seconds or more.

3.

Start the engine.

4.

Select “ABS” and “DATA MONITOR”, check the “FR LH SENSOR”, “FR RH SENSOR”, “RR LH SENSOR”
and “RR RH SENSOR” with CONSULT.
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-DIAGNOSIS (3)

1.

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

2.

Stop the vehicle.

3.

Perform self-diagnosis for “ABS” with CONSULT.

Is DTC “C1115” detected?

YES

>> GO TO 11.

NO

>> INSPECTION END

11.

CHECK TERMINAL

1.

Turn the ignition 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)

1.

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

2.

Connect wheel sensor harness connector.

3.

Erase self-diagnosis result for “ABS” with CONSULT.

4.

Turn the ignition switch OFF, and wait 10 seconds or more.

5.

Start the engine.

6.

Select “ABS” and “DATA MONITOR”, check the “FR LH SENSOR”, “FR RH SENSOR”, “RR LH SENSOR”
and “RR RH SENSOR” with CONSULT.
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-DIAGNOSIS (4)

1.

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

2.

Stop the vehicle.

3.

Perform self-diagnosis for “ABS” with CONSULT.

Revision: 2013 February

2012 MURANO

C1115 WHEEL SENSOR

BRC-53

< DTC/CIRCUIT DIAGNOSIS >

[VDC/TCS/ABS]

C

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L

M

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BRC

N

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Is DTC “C1115” detected?

YES

>> GO TO 14.

NO

>> INSPECTION END

14.

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 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.) 

Measurement connector and terminal for power supply circuit

*1: 2WD
*2: AWD

Measurement connector and terminal for signal circuit

*1: 2WD
*2: AWD

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)

1.

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

2.

Connect wheel sensor harness connector.

3.

Erase self-diagnosis result for “ABS” with CONSULT.

4.

Turn the ignition switch OFF, and wait 10 seconds or more.

ABS actuator and electric unit (control unit)

Wheel sensor

Continuity

Connector

Terminal

Connector

Terminal

E36

9

E22 (Front LH wheel)

1

Existed

5

E39 (Front RH wheel)

3

3

C3

*1

 (Rear LH wheel)

C5

*2

 (Rear LH wheel)

5

11

C4

*1

 (Rear RH wheel)

C6

*2

 (Rear RH wheel)

7

ABS actuator and electric unit (control unit)

Wheel sensor

Continuity

Connector

Terminal

Connector

Terminal

E36

8

E22 (Front LH wheel)

2

Existed

6

E39 (Front RH wheel)

4

2

C3

*1

 (Rear LH wheel)

C5

*2

 (Rear LH wheel)

6

12

C4

*1

 (Rear RH wheel)

C6

*2

 (Rear RH wheel)

8

ABS actuator and electric unit (control unit)

—

Continuity

Connector

Terminal

E36

9, 8

Ground

Not existed

5, 6

3, 2

11, 12

Revision: 2013 February

2012 MURANO

BRC-54

< DTC/CIRCUIT DIAGNOSIS >

[VDC/TCS/ABS]

C1115 WHEEL SENSOR

5.

Start the engine.

6.

Select “ABS” and “DATA MONITOR”, check the “FR LH SENSOR”, “FR RH SENSOR”, “RR LH SENSOR”
and “RR RH SENSOR” with CONSULT.
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-DIAGNOSIS (5)

1.

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

2.

Stop the vehicle.

3.

Perform self-diagnosis for “ABS” with CONSULT.

Is DTC “C1115” detected?

YES

>> GO TO 17.

NO

>> INSPECTION END

17.

REPLACE WHEEL SENSOR (2)

1.

Replace wheel sensor.

-

Front: Refer to 

BRC-121, "FRONT WHEEL SENSOR : Exploded View"

.

-

Rear: Refer to 

BRC-122, "REAR WHEEL SENSOR : Exploded View"

.

2.

Erase self-diagnosis result for “ABS” with CONSULT.

3.

Turn the ignition switch OFF, and wait 10 seconds or more.

4.

Start the engine.

5.

Select “ABS” and “DATA MONITOR”, check the “FR LH SENSOR”, “FR RH SENSOR”, “RR LH SENSOR”
and “RR RH SENSOR” with CONSULT.
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 18.

NO

>> GO TO 19.

18.

PERFORM SELF-DIAGNOSIS (6)

1.

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

2.

Stop the vehicle.

3.

Perform self-diagnosis for “ABS” with CONSULT.

Is DTC “C1115” detected?

YES

>> GO TO 19.

NO

>> INSPECTION END

19.

REPLACE SENSOR ROTOR

1.

Replace sensor rotor.

-

Front: Refer to 

BRC-124, "FRONT SENSOR ROTOR : Exploded View"

.

-

Rear: Refer to 

BRC-124, "REAR SENSOR ROTOR : Exploded View"

.

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.

7.

Perform self-diagnosis for “ABS” with CONSULT.

Is DTC “C1115” detected?

YES

>> Replace ABS actuator and electric unit (control unit). Refer to 

BRC-125, "Exploded View"

.

NO

>> INSPECTION END

Revision: 2013 February

2012 MURANO

C1115 WHEEL SENSOR

BRC-55

< DTC/CIRCUIT DIAGNOSIS >

[VDC/TCS/ABS]

C

D

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H

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M

A

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BRC

N

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Special Repair Requirement

INFOID:0000000007804882

1.

ADJUSTMENT OF STEERING ANGLE SENSOR NEUTRAL POSITION AND CALIBRATION OF DECEL G

SENSOR

• After 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"

.

• After removing an ABS actuator and electric unit (control unit), be sure to perform the following procedure.
- Calibration of decel G sensor: Refer to 

BRC-10, "CALIBRATION OF DECEL G SENSOR : Description"

.

• 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 a yaw rate/side/decel G sensor, be sure to perform the following procedure.
- Calibration of decel G sensor: Refer to 

BRC-10, "CALIBRATION OF DECEL G SENSOR : Description"

.

>> END

Revision: 2013 February

2012 MURANO

BRC-56

< DTC/CIRCUIT DIAGNOSIS >

[VDC/TCS/ABS]

C1116 STOP LAMP SWITCH

C1116 STOP LAMP SWITCH

Description

INFOID:0000000007544675

The stop lamp switch transmits the stop lamp switch signal (ON/OFF) to the ABS actuator and electric unit
(control unit). 

DTC Logic

INFOID:0000000007544676

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

PRECONDITIONING

If “DTC CONFIRMATION PROCEDURE” has been previously conducted, always turn the ignition switch OFF
and wait at least 10 seconds before conducting the next test.

>> GO TO 2.

2.

DTC REPRODUCTION PROCEDURE

1.

Turn the ignition switch OFF to ON.

2.

Perform self-diagnosis for “ABS” with CONSULT.

Is DTC “C1116” detected?

YES

>> Proceed to diagnosis procedure. Refer to 

BRC-56, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000007544677

1.

CHECK CONNECTOR

1.

Turn the ignition switch OFF.

2.

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

3.

Disconnect stop lamp switch harness connector.

4.

Check the terminal for deformation, disconnection, looseness, etc.

5.

Reconnect ABS actuator and electric unit (control unit) and stop lamp switch harness connectors
securely.

6.

Start the engine.

7.

Repeat pumping brake pedal carefully several times, and perform self-diagnosis for “ABS” with CON-
SULT.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Poor connection of connector terminal. Repair or replace error-detected parts.

2.

CHECK STOP LAMP SWITCH CLEARANCE

Check the stop lamp switch clearance. Refer to 

BR-8, "Inspection and Adjustment"

.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Adjust stop lamp switch clearance. Refer to 

BR-8, "Inspection and Adjustment"

.

3.

CHECK STOP LAMP SWITCH

Check the stop lamp switch. Refer to 

BRC-57, "Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 4.

DTC

Display item

Malfunction detected condition

Possible cause

C1116

STOP LAMP SW

When a stop lamp switch signal is not input where the 
brake pedal is depressed.

• Harness or connector
• Stop lamp switch
• ABS actuator and electric unit 

(control unit)

Revision: 2013 February

2012 MURANO

C1116 STOP LAMP SWITCH

BRC-57

< DTC/CIRCUIT DIAGNOSIS >

[VDC/TCS/ABS]

C

D

E

G

H

I

J

K

L

M

A

B

BRC

N

O

P

NO

>> Repair or replace stop lamp switch.

4.

CHECK STOP LAMP SWITCH CIRCUIT

1.

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

2.

Check the voltage between ABS actuator and electric unit (control unit) harness connector and ground.

Is the inspection result normal?

YES

>> Replace ABS actuator and electric unit (control unit). Refer to 

BRC-125, "Exploded View"

.

NO

>> Repair or replace error-detected parts.

Component Inspection

INFOID:0000000007544678

1.

CHECK STOP LAMP SWITCH

1.

Turn the ignition switch OFF.

2.

Disconnect stop lamp switch harness connector.

3.

Check the continuity between stop lamp switch connector terminals.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace stop lamp switch. Refer to 

BR-19, "Exploded View"

.

Special Repair Requirement

INFOID:0000000007804883

1.

ADJUSTMENT OF STEERING ANGLE SENSOR NEUTRAL POSITION AND CALIBRATION OF DECEL G

SENSOR

• After 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"

.

• After removing an ABS actuator and electric unit (control unit), be sure to perform the following procedure.
- Calibration of decel G sensor: Refer to 

BRC-10, "CALIBRATION OF DECEL G SENSOR : Description"

.

• 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 a yaw rate/side/decel G sensor, be sure to perform the following procedure.
- Calibration of decel G sensor: Refer to 

BRC-10, "CALIBRATION OF DECEL G SENSOR : Description"

.

>> END

ABS actuator and electric unit (control unit)

—

Condition

Voltage

(Approx.)

Connector

Terminal

E36

16

Ground

Brake pedal is depressed

Battery voltage

Brake pedal is released

0 V

Stop lamp switch

Condition

Continuity

Terminal

1 

−

 2

Release stop lamp switch
(When brake pedal is depressed.)

Existed

Push stop lamp switch
(When brake pedal is released.)

Not existed

Revision: 2013 February

2012 MURANO

BRC-58

< DTC/CIRCUIT DIAGNOSIS >

[VDC/TCS/ABS]

C1120, C1122, C1124, C1126 IN ABS SOL

C1120, C1122, C1124, C1126 IN ABS SOL

Description

INFOID:0000000007544680

The ABS IN valve increases, holds or decreases the fluid pressure of each brake caliper according to the sig-
nals transmitted by the ABS actuator and electric unit (control unit). 

DTC Logic

INFOID:0000000007544681

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

PRECONDITIONING

If “DTC CONFIRMATION PROCEDURE” has been previously conducted, always turn the ignition switch OFF
and wait at least 10 seconds before conducting the next test.

>> GO TO 2.

2.

DTC REPRODUCTION PROCEDURE

1.

Turn the ignition switch OFF to ON.

2.

Perform self-diagnosis for “ABS” with CONSULT.

Is DTC “C1120”, “C1122”, “C1124” or “C1126” detected?

YES

>> Proceed to diagnosis procedure. Refer to 

BRC-58, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000007544682

1.

CHECK CONNECTOR

1.

Turn the ignition switch OFF.

2.

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

3.

Check the terminal for deformation, disconnection, looseness, etc.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace error-detected parts.

2.

CHECK ABS IN VALVE POWER SUPPLY

1.

Check the voltage between ABS actuator and electric unit (control unit) harness connector and ground.

2.

Turn the ignition switch ON.

CAUTION:

Never start the engine.

3.

Check the voltage between ABS actuator and electric unit (control unit) harness connector and ground.

DTC

Display item

Malfunction detected condition

Possible cause

C1120

FR LH IN ABS SOL

When the control unit detects a malfunction in the front 
LH ABS IN valve circuit.

• Harness or connector
• ABS actuator and electric unit 

(control unit)

C1122

FR RH IN ABS SOL

When the control unit detects a malfunction in the front 
RH ABS IN valve circuit.

C1124

RR LH IN ABS SOL

When the control unit detects a malfunction in the rear LH 
ABS IN valve circuit.

C1126

RR RH IN ABS SOL

When the control unit detects a malfunction in the rear 
RH ABS IN valve circuit.

ABS actuator and electric unit (control unit)

—

Voltage

(Approx.)

Connector

Terminal

E36

1

Ground

Battery voltage

Revision: 2013 February

2012 MURANO

C1120, C1122, C1124, C1126 IN ABS SOL

BRC-59

< 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

>> GO TO 3.

3.

CHECK ABS IN VALVE POWER SUPPLY CIRCUIT

1.

Turn the ignition switch OFF.

2.

Check the 20A fusible link (#G).

3.

Check the continuity and short circuit between ABS actuator and electric unit (control unit) harness con-
nector terminal (1) and 20A fusible link (#G).

Is the inspection result normal?

YES

>> Perform trouble diagnosis for battery power supply. Refer to 

PG-6, "Wiring Diagram - BATTERY

POWER SUPPLY -"

.

NO

>> Repair or replace error-detected parts.

4.

CHECK ABS IN VALVE GROUND CIRCUIT

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

Is the inspection result normal?

YES

>> Replace ABS actuator and electric unit (control unit). Refer to 

BRC-125, "Exploded View"

.

NO

>> Repair or replace error-detected parts.

Special Repair Requirement

INFOID:0000000007804884

1.

ADJUSTMENT OF STEERING ANGLE SENSOR NEUTRAL POSITION AND CALIBRATION OF DECEL G

SENSOR

• After 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"

.

• After removing an ABS actuator and electric unit (control unit), be sure to perform the following procedure.
- Calibration of decel G sensor: Refer to 

BRC-10, "CALIBRATION OF DECEL G SENSOR : Description"

.

• 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 a yaw rate/side/decel G sensor, be sure to perform the following procedure.
- Calibration of decel G sensor: Refer to 

BRC-10, "CALIBRATION OF DECEL G SENSOR : Description"

.

>> END

ABS actuator and electric unit (control unit)

—

Voltage

(Approx.)

Connector

Terminal

E36

1

Ground

Battery voltage

ABS actuator and electric unit (control unit)

—

Continuity

Connector

Terminal

E36

13

Ground

Existed

26

Revision: 2013 February

2012 MURANO

BRC-60

< DTC/CIRCUIT DIAGNOSIS >

[VDC/TCS/ABS]

C1121, C1123, C1125, C1127 OUT ABS SOL

C1121, C1123, C1125, C1127 OUT ABS SOL

Description

INFOID:0000000007544685

The ABS OUT valve increases, holds or decreases the fluid pressure of each brake caliper according to the
signals transmitted by the ABS actuator and electric unit (control unit). 

DTC Logic

INFOID:0000000007544686

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

PRECONDITIONING

If “DTC CONFIRMATION PROCEDURE” has been previously conducted, always turn the ignition switch OFF
and wait at least 10 seconds before conducting the next test.

>> GO TO 2.

2.

DTC REPRODUCTION PROCEDURE

1.

Turn the ignition switch OFF to ON.

2.

Perform self-diagnosis for “ABS” with CONSULT.

Is DTC “C1121”, “C1123”, “C1125” or “C1127” detected?

YES

>> Proceed to diagnosis procedure. Refer to 

BRC-60, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000007544687

1.

CHECK CONNECTOR

1.

Turn the ignition switch OFF.

2.

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

3.

Check the terminal for deformation, disconnection, looseness, etc.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace error-detected parts.

2.

CHECK ABS OUT VALVE POWER SUPPLY

1.

Check the voltage between ABS actuator and electric unit (control unit) harness connector and ground.

2.

Turn the ignition switch ON.

CAUTION:

Never start the engine.

3.

Check the voltage between ABS actuator and electric unit (control unit) harness connector and ground.

DTC

Display item

Malfunction detected condition

Possible cause

C1121

FR LH OUT ABS SOL

When the control unit detects a malfunction in the front 
LH ABS OUT valve circuit.

• Harness or connector
• ABS actuator and electric unit 

(control unit)

C1123

FR RH OUT ABS SOL

When the control unit detects a malfunction in the front 
RH ABS OUT valve circuit.

C1125

RR LH OUT ABS SOL

When the control unit detects a malfunction in the rear LH 
ABS OUT valve circuit.

C1127

RR RH OUT ABS SOL

When the control unit detects a malfunction in the rear 
RH ABS OUT valve circuit.

ABS actuator and electric unit (control unit)

—

Voltage

(Approx.)

Connector

Terminal

E36

1

Ground

Battery voltage

Revision: 2013 February

2012 MURANO

C1121, C1123, C1125, C1127 OUT ABS SOL

BRC-61

< 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

>> GO TO 3.

3.

CHECK ABS OUT VALVE POWER SUPPLY CIRCUIT

1.

Turn the ignition switch OFF.

2.

Check the 20A fusible link (#G).

3.

Check the continuity and short circuit between ABS actuator and electric unit (control unit) harness con-
nector terminal (1) and 20A fusible link (#G).

Is the inspection result normal?

YES

>> Perform trouble diagnosis for battery power supply. Refer to 

PG-6, "Wiring Diagram - BATTERY

POWER SUPPLY -"

.

NO

>> Repair or replace error-detected parts.

4.

CHECK ABS OUT VALVE GROUND CIRCUIT

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

Is the inspection result normal?

YES

>> Replace ABS actuator and electric unit (control unit). Refer to 

BRC-125, "Exploded View"

.

NO

>> Repair or replace error-detected parts.

Special Repair Requirement

INFOID:0000000007804885

1.

ADJUSTMENT OF STEERING ANGLE SENSOR NEUTRAL POSITION AND CALIBRATION OF DECEL G

SENSOR

• After 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"

.

• After removing an ABS actuator and electric unit (control unit), be sure to perform the following procedure.
- Calibration of decel G sensor: Refer to 

BRC-10, "CALIBRATION OF DECEL G SENSOR : Description"

.

• 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 a yaw rate/side/decel G sensor, be sure to perform the following procedure.
- Calibration of decel G sensor: Refer to 

BRC-10, "CALIBRATION OF DECEL G SENSOR : Description"

.

>> END

ABS actuator and electric unit (control unit)

—

Voltage

(Approx.)

Connector

Terminal

E36

1

Ground

Battery voltage

ABS actuator and electric unit (control unit)

—

Continuity

Connector

Terminal

E36

13

Ground

Existed

26

Revision: 2013 February

2012 MURANO

BRC-62

< DTC/CIRCUIT DIAGNOSIS >

[VDC/TCS/ABS]

C1130 ENGINE SIGNAL

C1130 ENGINE SIGNAL

Description

INFOID:0000000007544690

ABS actuator and electric unit (control unit) and ECM exchange the engine signal via CAN communication
line.

DTC Logic

INFOID:0000000007544691

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

PRECONDITIONING

If “DTC CONFIRMATION PROCEDURE” has been previously conducted, always turn the ignition switch OFF
and wait at least 10 seconds before conducting the next test.

>> GO TO 2.

2.

DTC REPRODUCTION PROCEDURE

1.

Turn the ignition switch OFF to ON.

2.

Perform self-diagnosis for “ABS” with CONSULT.

Is DTC “C1130” detected?

YES

>> Proceed to diagnosis procedure. Refer to 

BRC-62, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000007544692

1.

PERFORM SELF-DIAGNOSIS (1)

Perform self-diagnosis for “ENGINE” with CONSULT.

Is any item indicated on the self-diagnosis display?

YES

>> Check the malfunctioning system. Refer to 

EC-129, "CONSULT Function"

.

NO

>> GO TO 2.

2.

PERFORM SELF-DIAGNOSIS (2)

1.

Erase self-diagnosis results for “ABS” with CONSULT.

2.

Turn the ignition switch OFF.

3.

Start the engine. Drive the vehicle for a while.

4.

Make sure that malfunction indicator lamp (MIL) turns OFF.

Is indicator lamp (MIL) turns OFF?

YES

>> GO TO 3.

NO

>> Refer to 

EC-129, "CONSULT Function"

.

3.

PERFORM SELF-DIAGNOSIS (3)

Stop the vehicle. Perform self-diagnosis for “ENGINE” with CONSULT.

Is any item indicated on the self-diagnosis display?

YES

>> Replace ABS actuator and electric unit (control unit). Refer to 

BRC-125, "Exploded View"

.

NO

>> Repair or replace error-detected parts.

Special Repair Requirement

INFOID:0000000007804886

1.

ADJUSTMENT OF STEERING ANGLE SENSOR NEUTRAL POSITION AND CALIBRATION OF DECEL G

DTC

Display item

Malfunction detected condition

Possible cause

C1130

ENGINE SIGNAL 1

Major engine components are malfunctioning.

• ECM
• ABS actuator and electric unit 

(control unit)

• CAN communication line

Revision: 2013 February

2012 MURANO

C1130 ENGINE SIGNAL

BRC-63

< DTC/CIRCUIT DIAGNOSIS >

[VDC/TCS/ABS]

C

D

E

G

H

I

J

K

L

M

A

B

BRC

N

O

P

SENSOR

• After 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"

.

• After removing an ABS actuator and electric unit (control unit), be sure to perform the following procedure.
- Calibration of decel G sensor: Refer to 

BRC-10, "CALIBRATION OF DECEL G SENSOR : Description"

.

• 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 a yaw rate/side/decel G sensor, be sure to perform the following procedure.
- Calibration of decel G sensor: Refer to 

BRC-10, "CALIBRATION OF DECEL G SENSOR : Description"

.

>> END

Revision: 2013 February

2012 MURANO

BRC-64

< DTC/CIRCUIT DIAGNOSIS >

[VDC/TCS/ABS]

C1140 ACTUATOR RELAY SYSTEM

C1140 ACTUATOR RELAY SYSTEM

Description

INFOID:0000000007544694

Activates or deactivates each valve according to the signals transmitted by the ABS actuator and electric unit
(control unit). 

DTC Logic

INFOID:0000000007544695

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

PRECONDITIONING

If “DTC CONFIRMATION PROCEDURE” has been previously conducted, always turn the ignition switch OFF
and wait at least 10 seconds before conducting the next test.

>> GO TO 2.

2.

DTC REPRODUCTION PROCEDURE

1.

Turn the ignition switch OFF to ON.

2.

Perform self-diagnosis for “ABS” with CONSULT.

Is DTC “C1140” detected?

YES

>> Proceed to diagnosis procedure. Refer to 

BRC-64, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000007544696

1.

CHECK CONNECTOR

1.

Turn the ignition switch OFF.

2.

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

3.

Check the terminal for deformation, disconnection, looseness, etc.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace error-detected parts.

2.

CHECK ACTUATOR RELAY POWER SUPPLY

1.

Check the voltage between ABS actuator and electric unit (control unit) harness connector and ground.

2.

Turn the ignition switch ON.

CAUTION:

Never start the engine.

3.

Check the voltage between ABS actuator and electric unit (control unit) harness connector and ground.

Is the inspection result normal?

DTC

Display item

Malfunction detected condition

Possible cause

C1140

ACTUATOR RLY

When the control unit detects a malfunction in the actua-
tor relay system.

• Harness or connector
• ABS actuator and electric unit 

(control unit)

ABS actuator and electric unit (control unit)

—

Voltage

(Approx.)

Connector

Terminal

E36

1

Ground

Battery voltage

ABS actuator and electric unit (control unit)

—

Voltage

(Approx.)

Connector

Terminal

E36

1

Ground

Battery voltage

Revision: 2013 February

2012 MURANO

C1140 ACTUATOR RELAY SYSTEM

BRC-65

< DTC/CIRCUIT DIAGNOSIS >

[VDC/TCS/ABS]

C

D

E

G

H

I

J

K

L

M

A

B

BRC

N

O

P

YES

>> GO TO 4.

NO

>> GO TO 3.

3.

CHECK ACTUATOR RELAY POWER SUPPLY CIRCUIT

1.

Turn the ignition switch OFF.

2.

Check the 20A fusible link (#G).

3.

Check the continuity and short circuit between ABS actuator and electric unit (control unit) harness con-
nector terminal (1) and 20A fusible link (#G).

Is the inspection result normal?

YES

>> Perform trouble diagnosis for battery power supply. Refer to 

PG-6, "Wiring Diagram - BATTERY

POWER SUPPLY -"

.

NO

>> Repair or replace error-detected parts.

4.

CHECK ACTUATOR RELAY GROUND CIRCUIT

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

Is the inspection result normal?

YES

>> Replace ABS actuator and electric unit (control unit). Refer to 

BRC-125, "Exploded View"

.

NO

>> Repair or replace error-detected parts.

Special Repair Requirement

INFOID:0000000007804887

1.

ADJUSTMENT OF STEERING ANGLE SENSOR NEUTRAL POSITION AND CALIBRATION OF DECEL G

SENSOR

• After 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"

.

• After removing an ABS actuator and electric unit (control unit), be sure to perform the following procedure.
- Calibration of decel G sensor: Refer to 

BRC-10, "CALIBRATION OF DECEL G SENSOR : Description"

.

• 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 a yaw rate/side/decel G sensor, be sure to perform the following procedure.
- Calibration of decel G sensor: Refer to 

BRC-10, "CALIBRATION OF DECEL G SENSOR : Description"

.

>> END

ABS actuator and electric unit (control unit)

—

Continuity

Connector

Terminal

E36

13

Ground

Existed

26

Revision: 2013 February

2012 MURANO

BRC-66

< DTC/CIRCUIT DIAGNOSIS >

[VDC/TCS/ABS]

C1142 PRESS SENSOR

C1142 PRESS SENSOR

Description

INFOID:0000000007544699

The pressure sensor converts the brake fluid pressure to an electric signal and transmits it to the ABS actuator
and electric unit (control unit). [The pressure sensor is integrated in the ABS actuator and electric unit (control
unit).]

DTC Logic

INFOID:0000000007544700

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

PRECONDITIONING

If “DTC CONFIRMATION PROCEDURE” has been previously conducted, always turn the ignition switch OFF
and wait at least 10 seconds before conducting the next test.

>> GO TO 2.

2.

DTC REPRODUCTION PROCEDURE

1.

Turn the ignition switch OFF to ON.

2.

Perform self-diagnosis for “ABS” with CONSULT.

Is DTC “C1142” detected?

YES

>> Proceed to diagnosis procedure. Refer to 

BRC-66, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000007544701

1.

CHECK STOP LAMP SWITCH SYSTEM

Check the stop lamp switch system. Refer to 

BRC-56, "Diagnosis Procedure"

.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace error-detected parts.

2.

CHECK DATA MONITOR

1.

Check the brake fluid leakage. Refer to 

BR-11, "Inspection"

.

2.

Check the front brake piping. Refer to 

BR-23, "FRONT : Inspection"

.

3.

Check the rear brake piping. Refer to 

BR-25, "REAR : Inspection"

.

4.

Check the brake pedal. Refer to 

BR-20, "Inspection and Adjustment"

.

5.

Check the master cylinder. Refer to 

BR-28, "Inspection"

.

6.

Check the brake booster. Refer to 

BR-30, "Inspection and Adjustment"

.

7.

Check the front disc brake. Refer to 

BR-41, "BRAKE CALIPER ASSEMBLY (1 PISTON TYPE) : Inspec-

tion"

.

8.

Check the rear disc brake. Refer to 

BR-51, "BRAKE CALIPER ASSEMBLY : Inspection"

.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace error-detected parts.

3.

PERFORM SELF-DIAGNOSIS

Perform self-diagnosis for “ABS” with CONSULT.

Is any item indicated on the self-diagnosis display?

DTC

Display item

Malfunction detected condition

Possible cause

C1142

PRESS SEN CIRCUIT

Pressure sensor signal line is open or shorted, or pres-
sure sensor is malfunctioning.

• Harness or connector
• Stop lamp switch
• ABS actuator and electric unit 

(control unit)

Revision: 2013 February

2012 MURANO