Nissan Pathfinder (2011 year). Instruction — part 107
INSPECTION AND ADJUSTMENT
BRC-121
< BASIC INSPECTION >
[TYPE 2]
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INSPECTION AND ADJUSTMENT
ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT
ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Description
INFOID:0000000006245979
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:0000000006245980
1.
PERFORM THE NEUTRAL POSITION ADJUSTMENT FOR THE STEERING ANGLE SENSOR
Perform the neutral position adjustment for the steering angle sensor.
>> Refer to
BRC-121, "ADJUSTMENT OF STEERING ANGLE SENSOR NEUTRAL POSITION :
, GO TO 2
2.
PERFORM CALIBRATION OF THE DECEL G SENSOR
Perform calibration of the decel G sensor.
>> Refer to
BRC-122, "CALIBRATION OF DECEL G SENSOR : Special Repair Requirement"
ADJUSTMENT OF STEERING ANGLE SENSOR NEUTRAL POSITION
ADJUSTMENT OF STEERING ANGLE SENSOR NEUTRAL POSITION : Description
INFOID:0000000006245981
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:0000000006245982
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
×
Battery disconnection
×
2011 Pathfinder
BRC-122
< 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 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-138, "CONSULT-III Function (ABS)"
.
• ECM: Refer to
EC-530, "CONSULT-III Function"
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:0000000006245983
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:0000000006245984
CALIBRATION OF DECEL G SENSOR
CAUTION:
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
×
2011 Pathfinder
INSPECTION AND ADJUSTMENT
BRC-123
< BASIC INSPECTION >
[TYPE 2]
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To calibrate the decel G sensor, make sure to use CONSULT-III
(Calibration cannot be done without CONSULT-III)
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-138, "CONSULT-III Function (ABS)"
• ECM: Refer to
EC-530, "CONSULT-III Function"
Are the memories erased?
YES
>> Inspection End.
NO
>> Check the items indicated by the self-diagnosis.
2011 Pathfinder
BRC-124
< SYSTEM DESCRIPTION >
[TYPE 2]
APPLICATION NOTICE
SYSTEM DESCRIPTION
APPLICATION NOTICE
Application Notice
INFOID:0000000006689872
Service information
Remarks
TYPE 1
VDC/TCS/ABS (VQ40DE)
TYPE 2
VDC/TCS/ABS (VK56DE)
2011 Pathfinder
VDC
BRC-125
< SYSTEM DESCRIPTION >
[TYPE 2]
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VDC
System Diagram
INFOID:0000000006245986
Hydraulic Circuit Diagram
INFOID:0000000006245987
AWFIA0737GB
WFIA0187E
2011 Pathfinder
BRC-126
< SYSTEM DESCRIPTION >
[TYPE 2]
VDC
System Description
INFOID:0000000006245988
• 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-III is available.
2011 Pathfinder
VDC
BRC-127
< SYSTEM DESCRIPTION >
[TYPE 2]
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Component Parts Location
INFOID:0000000006245989
AWFIA0678GB
1.
Front wheel sensor LH E18
Front wheel sensor RH E117
2.
Delta stroke sensor E114
3.
Active booster E49
4.
Rear pressure sensor E32
5.
Front pressure sensor E31
6.
Brake fluid level switch E21
7.
ABS actuator and electric unit (control
unit) E127
8.
Combination meter M24
9.
Steering angle sensor (behind spiral
cable) M47
2011 Pathfinder
BRC-128
< SYSTEM DESCRIPTION >
[TYPE 2]
VDC
Component Description
INFOID:0000000006245990
10. Yaw rate/side/decel G sensor B73
11. Rear wheel sensor LH C13
12. Rear wheel sensor RH C13
13. VDC OFF switch M154
14. Stop lamp switch E38
15. Stop lamp relay E12
Component parts
Reference
ABS actuator and electric unit (control unit)
Pump
Motor
Actuator relay
Solenoid valve
VDC switch-over valve
(CV1, CV2, SV1, SV2)
Wheel sensor
Yaw rate/side/decel G sensor
Stop lamp switch
Front pressure sensor
Rear pressure sensor
Steering angle sensor
Brake fluid level switch
Active booster
Delta stroke sensor
VDC OFF switch
ABS warning lamp
Brake warning lamp
VDC OFF indicator lamp
SLIP indicator lamp
2011 Pathfinder
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