Nissan Pathfinder (2005 year). Instruction — part 131
TROUBLE DIAGNOSES FOR SYMPTOMS
BRC-125
[HDC/HSA/VDC/TCS/ABS]
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BRC
2005 Pathfinder
Stop Lamp Relay Inspection
EFS005BL
STOP LAMPS TURN ON THOUGH HDC DOES NOT FUNCTION
1.
INSPECTION OF STOP LAMP RELAY
1.
Turn ignition switch OFF.
2.
Disconnect stop lamp relay connector E12.
3.
Check continuity between stop lamp relay terminals 3 and 5.
OK or NG
OK
>> GO TO 2.
NG
>> Replace stop lamp relay.
2.
INSPECTION OF STOP LAMP RELAY CIRCUIT
1.
Disconnect ABS actuator and electric unit (control unit) connec-
tor E125.
2.
Check continuity between ABS actuator and electric unit (control
unit) connector E125 terminal 13 and ground.
OK or NG
OK
>> Replace ABS actuator and electric unit (control unit).
Refer to
BRC-131, "Removal and Installation"
.
NG
>> Repair or replace harness or connector.
STOP LAMPS DO NOT TURN ON THOUGH HDC FUNCTIONS
1.
INSPECTION OF STOP LAMP RELAY
1.
Turn ignition switch OFF.
2.
Disconnect stop lamp relay connector E12.
3.
Check continuity between stop lamp relay terminals 3 and 5.
OK or NG
OK
>> Repair the stop lamp circuit.
NG
>> Replace stop lamp relay.
HDC Switch Inspection
EFS005BM
1.
HDC SWITCH INSPECTION
Check if the HDC indicator lamp in the combination meter turns on or flashes when pressing HDC switch.
OK or NG
OK
>> Inspection End.
NG
>> GO TO 2.
Condition
Continuity
12V direct current supply between
terminals 1 and 2
Yes
No current supply
No
SEF145X
Continuity should not exist.
WFIA0353E
Condition
Continuity
12V direct current supply between
terminals 1 and 2
Yes
No current supply
No
SEF145X
BRC-126
[HDC/HSA/VDC/TCS/ABS]
TROUBLE DIAGNOSES FOR SYMPTOMS
2005 Pathfinder
2.
CHECK HDC SWITCH CIRCUIT
1.
Disconnect ABS actuator and electric unit (control unit) connec-
tor E125.
2.
Check continuity between ABS actuator and electric unit (control
unit) connector E125 terminal 9 and HDC switch connector
M155 terminal 2.
OK or NG
OK
>> GO TO 3.
NG
>> Repair or replace harness or connector.
3.
CHECK HDC SWITCH GROUND
Check continuity between HDC switch connector M155 terminal 1
and body ground.
OK or NG
OK
>> Replace HDC switch.
NG
>> Repair or replace harness or connector.
Continuity should exist.
WFIA0354E
Continuity should exist.
WFIA0355E
ON-VEHICLE SERVICE
BRC-127
[HDC/HSA/VDC/TCS/ABS]
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2005 Pathfinder
ON-VEHICLE SERVICE
PFP:00000
Adjustment of Steering Angle Sensor Neutral Position
EFS005BN
After removing/installing or replacing ABS actuator and electric unit (control unit), steering angle sensor, steer-
ing and suspension components which affect wheel alignment or after adjusting wheel alignment, be sure to
adjust neutral position of steering angle sensor before running vehicle.
WITH CONSULT-II
1.
Stop vehicle with front wheels in straight-ahead position.
2.
Connect CONSULT-II and CONSULT-II CONVERTER to data
link connector on vehicle, and turn ignition switch ON (do not
start engine).
3.
Touch “ABS”, “WORK SUPPORT” and “ST ANGLE SENSOR
ADJUSTMENT” on CONSULT-II screen in this order.
4.
Touch “START”.
CAUTION:
Do not touch steering wheel while adjusting steering angle
sensor.
5.
After approximately 10 seconds, touch “END”. (After approxi-
mately 60 seconds, it ends automatically.)
6.
Turn ignition switch OFF, then turn it ON again.
CAUTION:
Do not touch steering wheel while adjusting steering angle
sensor.
7.
Run vehicle with front wheels in straight-ahead position, then
stop.
8.
Select “DATA MONITOR”, “SELECTION FROM MENU”, and “STR ANGLE SIG” on CONSULT-II screen.
Then check that “STR ANGLE SIG” is within 0
±
3.5 deg. If value is more than specification, repeat steps 3
to 7.
9.
Erase memory of ABS actuator and electric unit (control unit) and ECM.
10. Turn ignition switch to OFF.
WITHOUT CONSULT-II
Set the steering wheel in a straight forward position and drive the vehicle at 10 mph (15 km/h) or more for 10
minutes. When the procedure is complete, the SLIP indicator lamp and VDC OFF indicator lamp will turn off.
Calibration of Yaw Rate/Side/Decel G Sensor
EFS005BO
After removing/installing or replacing ABS actuator and electric unit (control unit), yaw rate/side/decel G sen-
sor, steering and suspension components which affect wheel alignment or after adjusting wheel alignment, be
sure to calibrate the yaw rate/side/decel G sensor before running vehicle.
NOTE:
Calibration of yaw rate/side/decel G sensor requires CONSULT-II.
1.
Stop vehicle with front wheels in straight-ahead position.
CAUTION:
●
The work should be done on a level area with an unloaded vehicle.
●
Keep all the tires inflated to the correct pressures. Adjust the tire pressure to the specified pres-
sure value.
2.
Connect CONSULT-II with CONSULT-II CONVERTER to data link connector on vehicle, and turn ignition
switch ON (do not start engine).
BBIA0538E
WFIA0239E
BRC-128
[HDC/HSA/VDC/TCS/ABS]
ON-VEHICLE SERVICE
2005 Pathfinder
CAUTION:
If CONSULT-II is used with no connection of CONSULT-II CONVERTER, malfunctions might be
detected in self-diagnosis depending on control unit which carries out CAN communication.
3.
Touch "ABS", "WORK SUPPORT" and "DECEL G SEN CALIBRATION" on CONSULT-II screen in this
order. Refer to
BRC-92, "CONSULT-II BASIC OPERATION PROCEDURE"
.
4.
Touch "START".
CAUTION:
Set vehicle as shown in the display.
5.
After approximately 10 seconds, touch "END". (After approxi-
mately 60 seconds, it ends automatically.)
6.
Turn ignition switch OFF, then turn it ON again.
CAUTION:
Be sure to carry out above operation.
7.
Run vehicle with front wheels in straight-ahead position, then
stop.
8.
Select "DATA MONITOR", "SELECTION FROM MENU", and
"DECEL G SEN" on CONSULT-II screen. Then check that "DECEL G SEN" is within
±
0.08G. If value is
more than specification, repeat steps 3 to 7.
9.
Erase memory of ABS actuator and electric unit (control unit) and ECM.
10. Turn ignition switch to OFF.
SFIA1162E
WHEEL SENSORS
BRC-129
[HDC/HSA/VDC/TCS/ABS]
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BRC
2005 Pathfinder
WHEEL SENSORS
PFP:47910
Removal and Installation
EFS005BP
REMOVAL
1.
Remove wheel sensor mounting screw.
●
When removing the front wheel sensor, first remove the disc rotor to gain access to the front wheel sen-
sor mounting bolt. Refer to
BR-25, "Removal and Installation of Brake Caliper and Disc Rotor"
.
●
When removing rear wheel sensor, first remove spare tire.
2.
Pull out the sensor, being careful to turn it as little as possible.
CAUTION:
●
Be careful not to damage sensor edge and sensor rotor teeth.
●
Do not pull on the sensor harness.
3.
Disconnect wheel sensor harness electrical connector, then remove harness from mounts.
INSTALLATION
Before installing wheel sensors,
●
Inspect wheel sensor O-ring, replace sensor assembly if damaged.
●
Clean wheel sensor hole and mounting surface with brake cleaner and a lint-free shop rag. Be careful that
dirt and debris do not enter the axle.
●
Apply a coat of suitable grease to the wheel sensor O-ring and mounting hole.
Installation is in the reverse order of removal.
WFIA0333E
BRC-130
[HDC/HSA/VDC/TCS/ABS]
SENSOR ROTOR
2005 Pathfinder
SENSOR ROTOR
PFP:47970
Removal and Installation
EFS005BQ
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-5, "Removal and Installation"
.
REAR
Removal
1.
Remove side flange from final drive assembly. Refer to
RFD-12, "Removal and Installation"
.
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
.
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
: 205-D002 (
—
)
Tool numbers
A: ST30720000 (J-25405)
B: ST27863000 (
—
)
C: KV40104710 (
—
)
WFIA0334E
ACTUATOR AND ELECTRIC UNIT (ASSEMBLY)
BRC-131
[HDC/HSA/VDC/TCS/ABS]
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2005 Pathfinder
ACTUATOR AND ELECTRIC UNIT (ASSEMBLY)
PFP:47660
Removal and Installation
EFS005BR
REMOVAL
1.
Disconnect the negative battery terminal.
2.
Drain the brake fluid. Refer to
.
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).
LFIA0244E
1. To rear left
2. To rear right
3. To front left
4. To front right
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-132
[HDC/HSA/VDC/TCS/ABS]
ACTUATOR AND ELECTRIC UNIT (ASSEMBLY)
2005 Pathfinder
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
.
●
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-12, "Bleeding Brake System"
.
NOTE:
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-127, "Adjustment of Steering Angle Sensor Neutral Position"
.
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