Nissan Pathfinder (2010 year). Manual - part 105

BRC-52

< COMPONENT DIAGNOSIS >

[VDC/TCS/ABS]

C1121, C1123, C1125, C1127 OUT ABS SOL

C1121, C1123, C1125, C1127 OUT ABS SOL

Description

INFOID:0000000005258688

The solenoid 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:0000000005258689

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

CHECK SELF-DIAGNOSIS RESULTS

Check the self-diagnosis results.

Is above displayed on the self-diagnosis display?

YES

>> Proceed to diagnosis procedure. Refer to 

BRC-52, "Diagnosis Procedure"

.

NO

>> Inspection End

Diagnosis Procedure

INFOID:0000000005484900

Regarding Wiring Diagram information, refer to 

BRC-94, "Wiring Diagram - BRAKE CONTROL SYSTEM -

WITH VQ40DE"

 or 

BRC-102, "Wiring Diagram - BRAKE CONTROL SYSTEM - WITH VK56DE"

.

1.

CONNECTOR INSPECTION

1. Turn ignition switch OFF.

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

3. Check terminal for deformation, disconnection, looseness, and so on. If any malfunction is found, repair or

replace terminal.

4. Reconnect connectors and then perform the self-diagnosis. Refer to 

BRC-22, "CONSULT-III Function

(ABS)"

.

Is any item indicated on the self-diagnosis display?

YES

>> GO TO 2

NO

>> Poor connection of connector terminal. Repair or replace connector.

2.

CHECK SOLENOID, VDC SWITCH-OVER VALVE AND ACTUATOR RELAY POWER SUPPLY CIRCUIT

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 outlet solenoid circuit.

• ABS actuator and electric unit 

(control unit)

C1123

FR RH OUT ABS SOL

When the control unit detects a malfunction in the front 
RH outlet solenoid circuit.

C1125

RR LH OUT ABS SOL

When the control unit detects a malfunction in the rear LH 
outlet solenoid circuit.

C1127

RR RH OUT ABS SOL

When the control unit detects a malfunction in the rear 
RH outlet solenoid circuit.

Self-diagnosis results

FR LH OUT ABS SOL

FR RH OUT ABS SOL

RR LH OUT ABS SOL

RR RH OUT ABS SOL

2010 Pathfinder

C1121, C1123, C1125, C1127 OUT ABS SOL

BRC-53

< COMPONENT DIAGNOSIS >

[VDC/TCS/ABS]

C

D

E

G

H

I

J

K

L

M

A

B

BRC

N

O

P

1. Turn ignition switch OFF.

2. Disconnect ABS actuator and electric unit (control unit) connec-

tor.

3. Check voltage between ABS actuator and electric unit (control

unit) connector terminal 32 and ground.

Is the inspection result normal?

YES

>> GO TO 3

NO

>> Repair or replace malfunctioning components.

3.

CHECK SOLENOID, VDC SWITCH-OVER VALVE AND ACTUATOR RELAY GROUND CIRCUIT

Check continuity between ABS actuator and electric unit (control

unit) connector terminals 16, 47 and ground.

Is the inspection result normal?

YES

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

Refer to 

BRC-127, "Removal and Installation"

.

NO

>> Repair or replace malfunctioning components.

Component Inspection

INFOID:0000000005484901

1.

CHECK ACTIVE TEST

1. Select each test menu item on ”ACTIVE TEST“.

2. On the display, touch “Up”, “Keep”, and “Down”, and check that the system operates as shown in the table

below.

*: On for 1 to 2 seconds after the touch, and then Off

Is the inspection result normal?

YES

>> Inspection End

NO

>> Go to diagnosis procedure. Refer to 

BRC-71, "Diagnosis Procedure"

.

Special Repair Requirement

INFOID:0000000005484905

1.

ADJUSTMENT OF STEERING ANGLE SENSOR NEUTRAL POSITION

ABS actuator and electric unit (control unit)

—

Voltage

Connector

Terminal

E125 (with VQ40DE)

32

Ground

Battery voltage

E127 (with VK56DE)

AWFIA0018ZZ

ABS actuator and electric unit (control unit)

—

Continuity

Connector

Terminal

E125 (with VQ40DE)

16, 47

Ground

Yes

E127 (with VK56DE)

AWFIA0016ZZ

Operation

ABS solenoid valve

Up

Keep

Down

FR RH SOL

FR RH IN SOL

Off

On

On

FR RH OUT SOL

Off

Off

On*

FR LH SOL

FR LH IN SOL

Off

On

On

FR LH OUT SOL

Off

Off

On*

RR RH SOL

RR RH IN SOL

Off

On

On

RR RH OUT SOL

Off

Off

On*

RR LH SOL

RR LH IN SOL

Off

On

On

RR LH OUT SOL

Off

Off

On*

2010 Pathfinder

BRC-54

< COMPONENT DIAGNOSIS >

[VDC/TCS/ABS]

C1121, C1123, C1125, C1127 OUT ABS SOL

Always perform neutral position adjustment for the steering angle sensor when replacing the ABS actuator

and electric unit (control unit). Refer to 

BRC-8, "ADJUSTMENT OF STEERING ANGLE SENSOR NEUTRAL

POSITION : Description"

.

>> GO TO 2

2.

CALIBRATION OF DECEL G SENSOR

Always perform calibration of decel G sensor when replacing the ABS actuator and electric unit (control unit).

Refer to 

BRC-9, "CALIBRATION OF DECEL G SENSOR : Description"

.

>> END

2010 Pathfinder

C1130, C1131, C1132, C1133, C1136 ENGINE SIGNAL

BRC-55

< COMPONENT DIAGNOSIS >

[VDC/TCS/ABS]

C

D

E

G

H

I

J

K

L

M

A

B

BRC

N

O

P

C1130, C1131, C1132, C1133, C1136 ENGINE SIGNAL

Description

INFOID:0000000005258693

ABS actuator and electric unit (control unit) and ECM exchange the engine signal with CAN communication

line.

DTC Logic

INFOID:0000000005258694

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

CHECK SELF-DIAGNOSIS RESULTS

Check the self-diagnosis results.

Is above displayed on the self-diagnosis display?

YES

>> Proceed to diagnosis procedure. Refer to 

BRC-55, "Diagnosis Procedure"

.

NO

>> Inspection End

Diagnosis Procedure

INFOID:0000000005258695

1.

CHECK ENGINE SYSTEM

1. Perform ECM self-diagnosis. Repair or replace items indicated, then perform ECM self-diagnosis again.

Refer to  

EC-79, "CONSULT-III Function (ENGINE)"

 (VQ40DE) or 

EC-557, "CONSULT-III Function

(ENGINE)"

 (VK56DE).

2. Perform ABS actuator and electric unit (control unit) self-diagnosis. Refer to 

BRC-22, "CONSULT-III Func-

tion (ABS)"

.

Is any item indicated on the self-diagnosis display?

YES

>> Repair or replace the affected part.

NO

>> Inspection End

DTC

Display item

Malfunction detected condition

Possible cause

C1130

ENGINE SIGNAL 1

Based on the signal from ECM, ABS actuator and electric 
unit (control unit) judges that engine fuel cut system is 
malfunctioning.

• Harness or connector
• ABS actuator and electric unit 

(control unit)

• ECM
• CAN communication line

C1131

ENGINE SIGNAL 2

C1132

ENGINE SIGNAL 3

C1133

ENGINE SIGNAL 4

C1136

ENGINE SIGNAL 6

Self-diagnosis results

ENGINE SIGNAL 1

ENGINE SIGNAL 2

ENGINE SIGNAL 3

ENGINE SIGNAL 4

ENGINE SIGNAL 6

2010 Pathfinder

BRC-56

< COMPONENT DIAGNOSIS >

[VDC/TCS/ABS]

C1140 ACTUATOR RLY

C1140 ACTUATOR RLY

Description

INFOID:0000000005258697

Activates or deactivates each solenoid valve according to the signals transmitted by the ABS actuator and

electric unit (control unit). 

DTC Logic

INFOID:0000000005258698

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

CHECK SELF-DIAGNOSIS RESULTS

Check the self-diagnosis results.

Is above displayed on the self-diagnosis display?

YES

>> Proceed to diagnosis procedure. Refer to 

BRC-56, "Diagnosis Procedure"

.

NO

>> Inspection End

Diagnosis Procedure

INFOID:0000000005484902

Regarding Wiring Diagram information, refer to 

BRC-94, "Wiring Diagram - BRAKE CONTROL SYSTEM -

WITH VQ40DE"

 or 

BRC-102, "Wiring Diagram - BRAKE CONTROL SYSTEM - WITH VK56DE"

.

1.

CONNECTOR INSPECTION

1. Turn ignition switch OFF.

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

3. Check terminal for deformation, disconnection, looseness, and so on. If any malfunction is found, repair or

replace terminal.

4. Reconnect connectors and then perform the self-diagnosis. Refer to 

BRC-22, "CONSULT-III Function

(ABS)"

.

Is any item indicated on the self-diagnosis display?

YES

>> GO TO 2

NO

>> Poor connection of connector terminal. Repair or replace connector.

2.

CHECK SOLENOID, VDC SWITCH-OVER VALVE AND ACTUATOR RELAY POWER SUPPLY CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect ABS actuator and electric unit (control unit) connec-

tor.

3. Check voltage between ABS actuator and electric unit (control

unit) connector terminal 32 and ground.

DTC

Display item

Malfunction detected condition

Possible cause

C1140

ACTUATOR RLY

ABS actuator relay or circuit malfunction.

• Harness or connector
• ABS actuator and electric unit 

(control unit)

Self-diagnosis results

ACTUATOR RLY

ABS actuator and electric unit (control unit)

—

Voltage

Connector

Terminal

E125 (with VQ40DE)

32

Ground

Battery voltage

E127 (with VK56DE)

AWFIA0018ZZ

2010 Pathfinder

C1140 ACTUATOR RLY

BRC-57

< COMPONENT 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 3

NO

>> Repair or replace malfunctioning components.

3.

CHECK SOLENOID, VDC SWITCH-OVER VALVE AND ACTUATOR RELAY GROUND CIRCUIT

Check continuity between ABS actuator and electric unit (control

unit) connector terminals 16, 47 and ground.

Is the inspection result normal?

YES

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

Refer to 

BRC-127, "Removal and Installation"

.

NO

>> Repair or replace malfunctioning components.

Component Inspection

INFOID:0000000005484903

1.

CHECK ACTIVE TEST

1. On “ACTIVE TEST”, select “ABS MOTOR”.

2. Touch On and Off on screen. Make sure motor relay and actuator relay operates as shown in table below.

Is the inspection result normal?

YES

>> Inspection End

NO

>> Go to diagnosis procedure. Refer to 

BRC-37, "Diagnosis Procedure"

.

Special Repair Requirement

INFOID:0000000005484907

1.

ADJUSTMENT OF STEERING ANGLE SENSOR NEUTRAL POSITION

Always perform neutral position adjustment for the steering angle sensor when replacing the ABS actuator

and electric unit (control unit). Refer to 

BRC-8, "ADJUSTMENT OF STEERING ANGLE SENSOR NEUTRAL

POSITION : Description"

.

>> GO TO 2

2.

CALIBRATION OF DECEL G SENSOR

Always perform calibration of decel G sensor when replacing the ABS actuator and electric unit (control unit).

Refer to 

BRC-9, "CALIBRATION OF DECEL G SENSOR : Description"

.

>> END

ABS actuator and electric unit (control unit)

—

Continuity

Connector

Terminal

E125 (with VQ40DE)

16, 47

Ground

Yes

E127 (with VK56DE)

AWFIA0016ZZ

Operation

On

Off

MOTOR RELAY

On

Off

ACTUATOR RLY

On

On

2010 Pathfinder

BRC-58

< COMPONENT DIAGNOSIS >

[VDC/TCS/ABS]

C1142 PRESS SENSOR

C1142 PRESS SENSOR

Description

INFOID:0000000005258702

The front and rear pressure sensors convert the brake fluid pressure to an electric signal and transmit it to the

ABS actuator and electric unit (control unit).

DTC Logic

INFOID:0000000005258703

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

CHECK SELF-DIAGNOSIS RESULTS

Check the self-diagnosis results.

Is above displayed on the self-diagnosis display?

YES

>> Proceed to diagnosis procedure. Refer to 

BRC-58, "Diagnosis Procedure (With VK56DE)"

.

NO

>> Inspection End

Diagnosis Procedure (With VK56DE)

INFOID:0000000005258704

Regarding Wiring Diagram information, refer to 

BRC-102, "Wiring Diagram - BRAKE CONTROL SYSTEM -

WITH VK56DE"

.

FRONT PRESSURE SENSOR

1.

CONNECTOR INSPECTION

1. Turn the ignition switch OFF.

2. Disconnect the front pressure sensor connector and ABS actuator and electric unit (control unit) connec-

tor and inspect the terminals for deformation, disconnection, looseness, or damage.

Is the inspection result normal?

YES

>> GO TO 2

NO

>> Repair connector.

2.

FRONT PRESSURE SENSOR CIRCUIT INSPECTION

1. Measure the continuity between the ABS actuator and electric

unit (control unit) connector E127 (A) and front pressure sensor

connector E31 (B).

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
• Pressure sensor
• ABS actuator and electric unit 

(control unit)

Self-diagnosis results

PRESS SEN CIRCUIT

ABS actuator and electric unit 

(control unit)

Front pressure sensor

Continuity

Connector

Terminal

Connector

Terminal

E127 (A)

18

E31 (B)

3

Yes

19

1

20

2

AWFIA0021ZZ

2010 Pathfinder

C1142 PRESS SENSOR

BRC-59

< COMPONENT DIAGNOSIS >

[VDC/TCS/ABS]

C

D

E

G

H

I

J

K

L

M

A

B

BRC

N

O

P

2. Measure the continuity between the ABS actuator and electric unit (control unit) connector E127 (A) and

body ground.

Is the inspection result normal?

YES

>> GO TO 3

NO

>> Repair or replace harness or connector.

3.

FRONT PRESSURE SENSOR INSPECTION

1. Reconnect the front pressure sensor and ABS actuator and electric unit (control unit) connectors.

2. Perform the front pressure sensor (PRESS SENSOR) component inspection. Refer to 

BRC-60, "Compo-

nent Inspection"

.

Is the inspection result normal?

YES

>> Perform self-diagnosis again. If the same results appear, replace the ABS actuator and electric

unit (control unit). Refer to 

BRC-127, "Removal and Installation"

.

NO

>> Replace the front pressure sensor.

REAR PRESSURE SENSOR

1.

CONNECTOR INSPECTION

1. Turn the ignition switch OFF.

2. Disconnect the rear pressure sensor connector and ABS actuator and electric unit (control unit) connector

and inspect the terminals for deformation, disconnection, looseness, or damage.

Is the inspection result normal?

YES

>> GO TO 2

NO

>> Repair connector.

2.

REAR PRESSURE SENSOR CIRCUIT INSPECTION

1. Measure the continuity between the ABS actuator and electric

unit (control unit) connector E127 (A) and rear pressure sensor

connector E32 (B).

2. Measure the continuity between the ABS actuator and electric unit (control unit) connector E127 (A) and

body ground.

Is the inspection result normal?

ABS actuator and electric unit (control 

unit)

—

Continuity

Connector

Terminal

E127 (A)

18

Ground

No

19

20

ABS actuator and electric unit 

(control unit)

Rear pressure sensor

Continuity

Connector

Terminal

Connector

Terminal

E127 (A)

21

E32 (B)

1

Yes

22

3

23

2

ABS actuator and electric unit (control 

unit)

—

Continuity

Connector

Terminal

E127 (A)

21

Ground

No

22

23

AWFIA0022ZZ

2010 Pathfinder