Nissan Pathfinder (2009 year). Manual - part 114

DIAGNOSIS AND REPAIR WORKFLOW

BRC-137

< BASIC INSPECTION >

[TYPE 2]

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DIAGNOSIS AND REPAIR WORKFLOW

Work Flow

INFOID:0000000003937874

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-141, "ADJUSTMENT OF STEERING ANGLE

SENSOR NEUTRAL POSITION : Description"

.

2009 Pathfinder

BRC-138

< BASIC INSPECTION >

[TYPE 2]

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-140, "Diagnostic Work

Sheet"

.

JSFIA0010GB

2009 Pathfinder

DIAGNOSIS AND REPAIR WORKFLOW

BRC-139

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[TYPE 2]

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>> GO TO 2

2.

PERFORM THE SELF-DIAGNOSIS

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

BRC-153, "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-228,

"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-202, "Description"

.

• Brake warning lamp: Refer to 

BRC-203, "Description"

.

• VDC OFF indicator lamp: Refer to 

BRC-204, "Description"

.

• SLIP indicator lamp: Refer to 

BRC-205, "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-153, "CONSULT-III Function (ABS)"

.

Is no other DTC present and the repair completed?

YES

>> Inspection End

NO

>> GO TO 3

2009 Pathfinder

BRC-140

< BASIC INSPECTION >

[TYPE 2]

DIAGNOSIS AND REPAIR WORKFLOW

Diagnostic Work Sheet

INFOID:0000000003937875

SFIA3265E

2009 Pathfinder

INSPECTION AND ADJUSTMENT

BRC-141

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INSPECTION AND ADJUSTMENT

ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT

ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Description

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After replacing the ABS actuator and electric unit (control unit), perform the following procedures:
• Neutral position adjustment for the steering angle sensor
• Calibration of the decel G sensor

ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Special Repair Re-
quirement

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1.

PERFORM THE NEUTRAL POSITION ADJUSTMENT FOR THE STEERING ANGLE SENSOR

Perform the neutral position adjustment for the steering angle sensor.

>> Refer to 

BRC-141, "ADJUSTMENT OF STEERING ANGLE SENSOR NEUTRAL POSITION :

Special Repair Requirement"

, GO TO 2

2.

PERFORM CALIBRATION OF THE DECEL G SENSOR

Perform calibration of the decel G sensor.

>> Refer to 

BRC-142, "CALIBRATION OF DECEL G SENSOR : Special Repair Requirement"

.

ADJUSTMENT OF STEERING ANGLE SENSOR NEUTRAL POSITION

ADJUSTMENT OF STEERING ANGLE SENSOR NEUTRAL POSITION : Description

INFOID:0000000003937878

Refer to the table below to determine if adjustment of steering angle sensor neutral position is required.

×

: Required –: Not required

ADJUSTMENT OF STEERING ANGLE SENSOR NEUTRAL POSITION : Special Re-
pair Requirement

INFOID:0000000003937879

ADJUSTMENT OF STEERING ANGLE SENSOR NEUTRAL POSITION

CAUTION:

To adjust neutral position of steering angle sensor, make sure to use CONSULT-III
(Adjustment cannot be done without CONSULT-III)

1.

ALIGN THE VEHICLE STATUS

Stop vehicle with front wheels in straight-ahead position.

Situation

Adjustment of steering angle sensor neutral position

Removing/Installing ABS actuator and electric unit (control unit)

—

Replacing ABS actuator and electric unit (control unit)

×

Removing/Installing steering angle sensor

×

Replacing steering angle sensor

×

Removing/Installing steering components

×

Replacing steering components

×

Removing/Installing suspension components

×

Replacing suspension components

×

Change tires to new ones

—

Tire rotation

—

Adjusting wheel alignment

×

2009 Pathfinder

BRC-142

< BASIC INSPECTION >

[TYPE 2]

INSPECTION AND ADJUSTMENT

>> GO TO 2

2.

PERFORM THE NEUTRAL POSITION ADJUSTMENT FOR THE STEERING ANGLE SENSOR

1.

On the CONSULT-III screen, touch “WORK SUPPORT” and “ST ANG SEN ADJUSTMENT” in order.

2.

Touch “START”.

CAUTION:

Do not touch steering wheel while adjusting steering angle sensor.

3.

After approximately 10 seconds, touch “END”.
NOTE:
After approximately 60 seconds, it ends automatically.

4.

Turn ignition switch OFF, then turn it ON again.

CAUTION:

Be sure to perform above operation.

>> GO TO 3

3.

CHECK DATA MONITOR

1.

Run vehicle with front wheels in straight-ahead position, then stop.

2.

Select “DATA MONITOR”. Then make sure “STR ANGLE SIG” is within 0

±

2.5

°

.

Is the steering angle within the specified range?

YES

>> GO TO 4

NO

>> Perform the neutral position adjustment for the steering angle sensor again, GO TO 1

4.

ERASE THE SELF-DIAGNOSIS MEMORY

Erase the self-diagnosis memory of the ABS actuator and electric unit (control unit) and ECM.
• ABS actuator and electric unit (control unit): Refer to 

BRC-153, "CONSULT-III Function (ABS)"

.

• ECM: Refer to 

EC-73, "CONSULT-III Function (ENGINE)"

.

Are the memories erased?

YES

>> Inspection End

NO

>> Check the items indicated by the self-diagnosis.

CALIBRATION OF DECEL G SENSOR

CALIBRATION OF DECEL G SENSOR : Description

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Refer to the table below to determine if calibration of the decel G sensor is required.

×

: Required –: Not required

CALIBRATION OF DECEL G SENSOR : Special Repair Requirement

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CALIBRATION OF DECEL G SENSOR

CAUTION:

To calibrate the decel G sensor, make sure to use CONSULT-III
(Calibration cannot be done without CONSULT-III)

Situation

Calibration of decel G sensor

Removing/Installing ABS actuator and electric unit (control unit)

—

Replacing ABS actuator and electric unit (control unit)

×

Removing/Installing steering angle sensor

×

Replacing steering angle sensor

×

Removing/Installing steering components

×

Replacing steering components

×

Removing/Installing suspension components

×

Replacing suspension components

×

Change tires to new ones

—

Tire rotation

—

Adjusting wheel alignment

×

2009 Pathfinder

INSPECTION AND ADJUSTMENT

BRC-143

< BASIC INSPECTION >

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1.

ALIGN THE VEHICLE STATUS

Stop vehicle with front wheels in straight-ahead position.

>> GO TO 2

2.

PERFORM CALIBRATION OF DECEL G SENSOR

1.

On the CONSULT-III screen, touch “WORK SUPPORT” and “DECEL G SEN CALIBRATION” in order.

2.

Touch “START”.

3.

After approximately 10 seconds, touch “END”.
NOTE:
After approximately 60 seconds, it ends automatically.

4.

Turn ignition switch OFF, then turn it ON again.

CAUTION:

Be sure to perform above operation.

>> GO TO 3

3.

CHECK DATA MONITOR

1.

Run vehicle with front wheels in straight-ahead position, then stop.

2.

Select “DATA MONITOR”. Then make sure “DECEL G SEN” is within 

±

0.08G.

Is the inspection result normal?

YES

>> GO TO 4

NO

>> Perform calibration of decel G sensor again, GO TO 1

4.

ERASE THE SELF-DIAGNOSIS MEMORY

Erase the self-diagnosis memory of the ABS actuator and electric unit (control unit) and ECM.
• ABS actuator and electric unit (control unit): Refer to 

BRC-153, "CONSULT-III Function (ABS)"

.

• ECM: Refer to 

EC-73, "CONSULT-III Function (ENGINE)"

.

Are the memories erased?

YES

>> Inspection End

NO

>> Check the items indicated by the self-diagnosis.

2009 Pathfinder

BRC-144

< FUNCTION DIAGNOSIS >

[TYPE 2]

APPLICATION NOTICE

FUNCTION DIAGNOSIS

APPLICATION NOTICE

Application Notice

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Service information

Remarks

TYPE 1

VDC/TCS/ABS

TYPE 2

HILL DESCENT CONTROL/HILL START ASSIST/VDC/TCS/ABS

2009 Pathfinder