Nissan Pathfinder (2008 year). Manual - part 102

BRC-122

< REMOVAL AND INSTALLATION >

[VDC/TCS/ABS]

SENSOR ROTOR

SENSOR ROTOR

Removal and Installation

INFOID:0000000001297880

FRONT

The wheel sensor rotors are built into the wheel hubs and are not removable. If damaged, replace wheel hub
and bearing assembly. Refer to 

FAX-8, "Removal and Installation"

.

REAR

Removal

1.

Remove side flange from final drive assembly. Refer to 

DLN-407, "Removal and Installation"

 (R200) or

DLN-444, "Removal and Installation"

 R(230).

CAUTION:

Discard side oil seal.

2.

Using tool and a suitable puller, remove sensor rotor from side flange.

Installation

1.

Install new sensor rotor on side flange using Tools and a press.
Make sure sensor rotor is fully seated.

CAUTION:

Do not reuse the old sensor rotor.

2.

Install side flange to final drive assembly. Refer to 

DLN-407,

"Removal and Installation"

 R(200) or

DLN-444, "Removal and

Installation"

 (R230).

CAUTION:

Do not reuse the side oil seal. The side oil seal must be replaced every time the side flange is
removed from the final drive assembly.

Tool number

: ST30031000 (

—

)

Tool numbers

A: ST30720000 (J-25405)

B: ST27863000 (

—

)

C: KV40104710 (

—

)

WFIA0334E

ACTUATOR AND ELECTRIC UNIT (ASSEMBLY)

BRC-123

< REMOVAL AND INSTALLATION >

[VDC/TCS/ABS]

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ACTUATOR AND ELECTRIC UNIT (ASSEMBLY)

Removal and Installation

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REMOVAL

1.

Disconnect the battery negative terminal.

2.

Drain the brake fluid. Refer to 

BR-9, "Drain and Refill"

.

3.

Disconnect the actuator harness from the ABS actuator and electric unit (control unit).

CAUTION:

• To remove the brake tubes, use a flare nut wrench to prevent the flare nuts and brake tubes from

being damaged.

• Be careful not to splash brake fluid on painted areas.

4.

Disconnect the brake tubes.

5.

Remove the three bolts and remove the ABS actuator and electric unit (control unit).

INSTALLATION

Installation is in the reverse order of removal.

CAUTION:

To install, use a flare nut wrench (commercial service tool).
• Always tighten brake tubes to specification when installing. Refer to 

BR-6, "Hydraulic Circuit"

.

• Never reuse drained brake fluid.
• After installation of the ABS actuator and electric unit (control unit), refill brake system with new

brake fluid. Then bleed the air from the system. Refer to 

BR-9, "Bleeding Brake System"

.

NOTE:

LFIA0244E

1. To rear left disc brake

2. To rear right disc brake

3. To front left disc brake

4. To front right disc brake

5. From the master cylinder secondary 
side

6. From the master cylinder primary 
side

7. ABS actuator and electric unit 
(control unit)

8. Harness connector

BRC-124

< REMOVAL AND INSTALLATION >

[VDC/TCS/ABS]

ACTUATOR AND ELECTRIC UNIT (ASSEMBLY)

In the case that ABS actuator and electric unit (control unit) is replaced, make sure to adjust position of steer-
ing angle sensor. Refer to 

BRC-131, "ADJUSTMENT OF STEERING ANGLE SENSOR NEUTRAL POSITION

: Special Repair Requirement"

.

STEERING ANGLE SENSOR

BRC-125

< REMOVAL AND INSTALLATION >

[VDC/TCS/ABS]

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STEERING ANGLE SENSOR

Removal and Installation

INFOID:0000000001297882

REMOVAL

1.

Remove spiral cable. Refer to 

SR-6, "Removal and Installation"

.

2.

Remove the screws and remove the steering angle sensor.

CAUTION:

In the case that the ABS actuator and electronic unit (control unit) is replaced, make sure to adjust
position of steering angle sensor. Refer to 

BRC-131, "ADJUSTMENT OF STEERING ANGLE SENSOR

NEUTRAL POSITION : Special Repair Requirement"

.

INSTALLATION

1.

Installation is in the reverse order of removal.

BRC-126

< REMOVAL AND INSTALLATION >

[VDC/TCS/ABS]

G SENSOR

G SENSOR

Removal and Installation

INFOID:0000000001297883

REMOVAL

1.

Remove center console. Refer to 

IP-15, "Exploded View"

.

2.

Remove yaw rate/side/decel G sensor attaching nuts as shown.
• The location of the sensor is the same for all models.

CAUTION:

• Do not use power tools to remove or install yaw rate/side/

decel G sensor.

• Do not drop or strike the yaw rate/side/decel G sensor.

3.

Disconnect harness connector and remove the yaw rate/side/
decel G sensor.

INSTALLATION

Installation is in the reverse order of removal.
NOTE:
After performing the above work, calibrate the decel G sensor. Refer to 

BRC-132, "CALIBRATION OF DECEL

G SENSOR : Special Repair Requirement"

.

WFIA0230E

DIAGNOSIS AND REPAIR WORKFLOW

BRC-127

< BASIC INSPECTION >

[HDC/HSA/VDC/TCS/ABS]

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BASIC INSPECTION

DIAGNOSIS AND REPAIR WORKFLOW

Work Flow

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PRECAUTIONS FOR DIAGNOSIS

If steering angle sensor, steering system parts, suspension system parts, ABS actuator and electric unit (con-
trol unit) or tires have been replaced, or if wheel alignment has been adjusted, be sure to adjust neutral posi-
tion of steering angle sensor before driving. Refer to 

BRC-131, "ADJUSTMENT OF STEERING ANGLE

SENSOR NEUTRAL POSITION : Description"

.

BRC-128

< BASIC INSPECTION >

[HDC/HSA/VDC/TCS/ABS]

DIAGNOSIS AND REPAIR WORKFLOW

OVERALL SEQUENCE

DETAILED FLOW

1.

COLLECT THE INFORMATION FROM THE CUSTOMER

Get the detailed information from the customer about the symptom (the condition and the environment when
the incident/malfunction occurred) using the diagnosis worksheet. Refer to 

BRC-130, "Diagnostic Work

Sheet"

.

JSFIA0010GB

DIAGNOSIS AND REPAIR WORKFLOW

BRC-129

< BASIC INSPECTION >

[HDC/HSA/VDC/TCS/ABS]

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>> GO TO 2

2.

PERFORM THE SELF-DIAGNOSIS

Check the DTC display with the self-diagnosis function. Refer to 

BRC-141, "CONSULT-III Function (ABS)"

.

Is there any DTC displayed?

YES

>> GO TO 3

NO

>> GO TO 4

3.

PERFORM THE SYSTEM DIAGNOSIS

Perform the diagnosis applicable to the displayed DTC. Refer to 

BRC-218, "DTC No. Index"

.

>> GO TO 7

4.

CHECK THE SYMPTOM THAT IS NOT CONSIDERED A SYSTEM MALFUNCTION

Check that the symptom is a normal operation that is not considered a system malfunction. Refer to 

BRC-227,

"Description"

.

Is the symptom a normal operation?

YES

>> INSPECTION END

NO

>> GO TO 5

5.

CHECK THE WARNING LAMP AND INDICATOR LAMP FOR ILLUMINATION

Check that the warning lamp and indicator lamp illuminate.
• ABS warning lamp: Refer to 

BRC-201, "Description"

.

• Brake warning lamp: Refer to 

BRC-202, "Description"

.

• VDC OFF indicator lamp: Refer to 

BRC-203, "Description"

.

• SLIP indicator lamp: Refer to 

BRC-204, "Description"

.

Is ON/OFF timing normal?

YES

>> GO TO 6

NO

>> GO TO 2

6.

PERFORM THE DIAGNOSIS BY SYMPTOM

Perform the diagnosis applicable to the symptom. 

>> GO TO 7

7.

REPAIR OR REPLACE THE MALFUNCTIONING PARTS

Repair or replace the specified malfunctioning parts.

>> GO TO 8

8.

FINAL CHECK

Perform the self-diagnosis again, and check that the malfunction is repaired completely. After checking, erase
the self-diagnosis memory. Refer to 

BRC-141, "CONSULT-III Function (ABS)"

.

Is no other DTC present and the repair completed?

YES

>> INSPECTION END

NO

>> GO TO 3