Nissan Pathfinder (2012 year). Manual — part 93
BRC-10
< BASIC INSPECTION >
[TYPE 1]
DIAGNOSIS AND REPAIR WORKFLOW
2.
PERFORM THE SELF-DIAGNOSIS
Check the DTC display with the self-diagnosis function. Refer to
BRC-29, "CONSULT 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
>> 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
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
.
• Brake warning lamp: Refer to
• VDC OFF indicator lamp: Refer to
.
• SLIP indicator lamp: Refer to
.
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-29, "CONSULT Function (ABS)"
Is no other DTC present and the repair completed?
YES
>> Inspection End.
NO
>> GO TO 3
August 2012
2012 Pathfinder
DIAGNOSIS AND REPAIR WORKFLOW
BRC-11
< BASIC INSPECTION >
[TYPE 1]
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Diagnostic Work Sheet
INFOID:0000000007356660
SFIA3265E
August 2012
2012 Pathfinder
BRC-12
< BASIC INSPECTION >
[TYPE 1]
INSPECTION AND ADJUSTMENT
INSPECTION AND ADJUSTMENT
ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT
ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Description
INFOID:0000000007356661
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
INFOID:0000000007356662
1.
PERFORM THE NEUTRAL POSITION ADJUSTMENT FOR THE STEERING ANGLE SENSOR
Perform the neutral position adjustment for the steering angle sensor.
>> Refer to
BRC-12, "ADJUSTMENT OF STEERING ANGLE SENSOR NEUTRAL POSITION : Spe-
, GO TO 2
2.
PERFORM CALIBRATION OF THE DECEL G SENSOR
Perform calibration of the decel G sensor.
>> Refer to
BRC-13, "CALIBRATION OF DECEL G SENSOR : Special Repair Requirement"
.
ADJUSTMENT OF STEERING ANGLE SENSOR NEUTRAL POSITION
ADJUSTMENT OF STEERING ANGLE SENSOR NEUTRAL POSITION : Description
INFOID:0000000007356663
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:0000000007356664
ADJUSTMENT OF STEERING ANGLE SENSOR NEUTRAL POSITION
CAUTION:
To adjust neutral position of steering angle sensor, make sure to use CONSULT
(Adjustment cannot be done without CONSULT)
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
×
Battery disconnection
×
August 2012
2012 Pathfinder
INSPECTION AND ADJUSTMENT
BRC-13
< BASIC INSPECTION >
[TYPE 1]
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>> GO TO 2
2.
PERFORM THE NEUTRAL POSITION ADJUSTMENT FOR THE STEERING ANGLE SENSOR
1. On the CONSULT screen, touch “WORK SUPPORT” and “ST ANGLE SENSOR 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-29, "CONSULT Function (ABS)"
• ECM: Refer to
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
INFOID:0000000007356665
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
INFOID:0000000007356666
CALIBRATION OF DECEL G SENSOR
CAUTION:
To calibrate the decel G sensor, make sure to use CONSULT
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 components
—
Replacing steering components
—
Removing/Installing suspension components
—
Replacing suspension components
—
Change tires to new ones
—
Tire rotation
—
Adjusting wheel alignment
—
Removing/Installing yaw rate/side/decel G sensor
×
Replacing yaw rate/side/decel G sensor
×
August 2012
2012 Pathfinder
BRC-14
< BASIC INSPECTION >
[TYPE 1]
INSPECTION AND ADJUSTMENT
(Calibration cannot be done without CONSULT)
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 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-29, "CONSULT Function (ABS)"
• ECM: Refer to
Are the memories erased?
YES
>> Inspection End.
NO
>> Check the items indicated by the self-diagnosis.
August 2012
2012 Pathfinder
APPLICATION NOTICE
BRC-15
< SYSTEM DESCRIPTION >
[TYPE 1]
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SYSTEM DESCRIPTION
APPLICATION NOTICE
Application Notice
INFOID:0000000007818414
Service information
Remarks
TYPE 1
VDC/TCS/ABS (VQ40DE)
TYPE 2
VDC/TCS/ABS (VK56DE)
August 2012
2012 Pathfinder
BRC-16
< SYSTEM DESCRIPTION >
[TYPE 1]
VDC
VDC
System Diagram
INFOID:0000000007356668
Hydraulic Circuit Diagram
INFOID:0000000007356669
AWFIA0453GB
AWFIA0201GB
August 2012
2012 Pathfinder
VDC
BRC-17
< SYSTEM DESCRIPTION >
[TYPE 1]
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System Description
INFOID:0000000007356670
• Vehicle Dynamics Control system detects driver
′
s steering operation amount and brake pedal travel from
steering angle sensor and pressure sensors. Using information from yaw rate/side/decel G sensor and
wheel sensor, VDC judges driving condition (conditions of under steer and over steer) to improve vehicle
driving stability by controlling brake application to 4 wheels and engine output.
• During VDC operation, it informs driver of system operation by flashing SLIP indicator lamp.
• Electrical system diagnosis by CONSULT is available.
August 2012
2012 Pathfinder
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