Nissan Murano. Manual - part 226

BRC-60

< DTC/CIRCUIT DIAGNOSIS >

[VDC/TCS/ABS]

C1121, C1123, C1125, C1127 OUT ABS SOL

C1121, C1123, C1125, C1127 OUT ABS SOL

Description

INFOID:0000000009718273

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:0000000009718274

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:0000000009718275

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

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-127, "Exploded View"

.

NO

>> Repair or replace error-detected parts.

Special Repair Requirement

INFOID:0000000009718276

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

BRC-62

< DTC/CIRCUIT DIAGNOSIS >

[VDC/TCS/ABS]

C1130 ENGINE SIGNAL

C1130 ENGINE SIGNAL

Description

INFOID:0000000009718277

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

DTC Logic

INFOID:0000000009718278

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:0000000009718279

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-127, "Exploded View"

.

NO

>> Repair or replace error-detected parts.

Special Repair Requirement

INFOID:0000000009718280

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

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