Nissan Pathfinder (2012 year). Manual — part 203
TRANSFER ASSEMBLY
DLN-189
< UNIT DISASSEMBLY AND ASSEMBLY >
[TRANSFER: ATX14B]
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•
Use Genuine Silicone RTV or equivalent. Refer to
GI-14, "Recommended Chemical Products and
.
NOTE:
Wait detection switch harness connector is black.
27. Install the new oil seal in the front case using Tool.
CAUTION:
• Do not reuse oil seal.
• Apply petroleum jelly to seal lip before installing.
28. Install the shift lever to the shift cross.
29. Install the lock pin and lock pin nut. Tighten to the specified
DLN-154, "Component Parts Location"
Rear Case
1. Apply petroleum jelly to the circumference of the new rear oil
seal. Install the new rear oil seal so that it is flush with the case
tip face using Tool.
CAUTION:
• Do not reuse oil seal.
• Apply petroleum jelly to seal lip before installing.
2. Apply petroleum jelly to the circumference of the new dust cover.
Position the new dust cover as shown.
CAUTION:
• Do not reuse dust cover.
• Position the protrusions at the position shown.
• 1: Dust cover
• 2: Rear case assembly
• A: Protrusions
3. Install the new dust cover using Tool.
4. Install the air breather into the rear case.
5. Remove all the sealant from the rear case to center case mating
surfaces.
CAUTION:
Remove all foreign materials such as water, oil, and grease
from center case and rear case mating surfaces.
6. Apply liquid gasket to the entire rear case mating surface of the
center case.
•
Use Genuine Anaerobic Liquid Gasket or equivalent. Refer to
CAUTION:
Do not to allow Liquid Gasket to enter stem bleeder hole.
Tool number
: ST22360002 (J-25679-01)
SDIA2182E
Tool number
: ST30720000 (J-25405)
SDIA2204E
AWDIA0550GB
Tool number
: KV40105310 ( — )
SDIA2205E
August 2012
2012 Pathfinder
DLN-190
< UNIT DISASSEMBLY AND ASSEMBLY >
[TRANSFER: ATX14B]
TRANSFER ASSEMBLY
7. Install the rear case to the center case. Tighten the bolts to the
specified torque. Refer to
DLN-154, "Component Parts Loca-
SDIA2092E
August 2012
2012 Pathfinder
SERVICE DATA AND SPECIFICATIONS (SDS)
DLN-191
< SERVICE DATA AND SPECIFICATIONS (SDS)
[TRANSFER: ATX14B]
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SERVICE DATA AND SPECIFICATIONS (SDS)
SERVICE DATA AND SPECIFICATIONS (SDS)
General Specification
INFOID:0000000007357481
Inspection and Adjustment
INFOID:0000000007357482
CLEARANCE BETWEEN INNER GEAR AND OUTER GEAR
Unit: mm (in)
CLUTCH
Unit: mm (in)
PINION GEAR END PLAY
Unit: mm (in)
CLEARANCE BETWEEN SHIFT FORK AND SLEEVE
Unit: mm (in)
SELECTIVE PARTS
Sub-oil Pump
Unit: mm (in)
*: Always check with the Parts Department for the latest parts information.
Main Oil Pump
Applied model
VQ40DE
VK56DE
Transfer model
ATX14B
Fluid capacity (Approx.)
(US qt, lmp qt)
3.0 (3-1/8, 2-5/8)
Gear ratio
High
1.000
Low
2.596
2.625
Number of teeth
Planetary
gear
Sun gear
57
56
Internal gear
91
Front drive sprocket
38
Front drive shaft
38
Item
Specification
Sub-oil pump
0.015 - 0.035 (0.0006 - 0.0014)
Main oil pump
0.015 - 0.035 (0.0006 - 0.0014)
Item
Limit value
Drive plate
1.4 (0.055)
Item
Standard
Pinion gear end play
0.1 - 0.7 (0.004 - 0.028)
Item
Standard
Shift fork and sleeve
Less than 0.36 (0.0142)
Gear thickness
Part number*
Inner gear
Outer gear
9.27 - 9.28 (0.3650 - 0.3654)
31346 0W462
31347 0W462
9.28 - 9.29 (0.3654 - 0.3657)
31346 0W461
31347 0W461
9.29 - 9.30 (0.3657 - 0.3661)
31346 0W460
31347 0W460
August 2012
2012 Pathfinder
DLN-192
< SERVICE DATA AND SPECIFICATIONS (SDS)
[TRANSFER: ATX14B]
SERVICE DATA AND SPECIFICATIONS (SDS)
Unit: mm (in)
*: Always check with the Parts Department for the latest parts information.
Control Valve
Unit: mm (in)
*: Always check with the Parts Department for the latest parts information.
Control Valve Spring
Unit: mm (in)
*: Always check with the Parts Department for the latest parts information.
Return Spring
Unit: mm (in)
*: Always check with the Parts Department for the latest parts information.
Gear thickness
Part number*
Inner gear
Outer gear
8.27 - 8.28 (0.3256 - 0.3260)
31346 7S112
31347 7S112
8.28 - 8.29 (0.3260 - 0.3264)
31346 7S111
31347 7S111
8.29 - 8.30 (0.3264 - 0.3268)
31346 7S110
31347 7S110
Mounting position
(Part name)
Part number*
Outer dia.
Overall length
L1
(2-4 shift valve)
31772 21X00
8.0 (0.315)
38.5 (1.516)
L2
(Clutch valve)
31772 80X11
10.0 (0.394)
40.0 (1.575)
L4
(Pilot valve)
31772 80X11
10.0 (0.394)
40.0 (1.575)
L5
(Regulator valve)
31741 0W410
12.0 (0.472)
68.0 (2.677)
Mounting position
(Part name)
Part number*
Free length
Outer dia.
Overall length
L1
(2-4 shift valve spring)
31742 2W500
31.85 (1.2539)
7.0 (0.276)
0.6 (0.024)
L2
(Clutch valve spring)
31742 2W505
40.6 (1.598)
8.9 (0.350)
0.7 (0.028)
L4
(Pilot valve spring)
31742 0W410
28.1 (1.106)
9.0 (0.354)
1.2 (0.047)
L5
(Regulator valve spring)
31742 2W515
39.7 (1.563)
11.0 (0.433)
1.3 (0.051)
Stamped mark
Part number*
Free length
1
31521 7S111
42.7 (1.168)
2
31521 7S112
43.1 (1.697)
3
31521 7S113
43.6 (1.717)
4
31521 7S114
44.0 (1.731)
August 2012
2012 Pathfinder
DIAGNOSIS AND REPAIR WORKFLOW
DLN-193
< BASIC INSPECTION >
[TRANSFER: TX15B]
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BASIC INSPECTION
DIAGNOSIS AND REPAIR WORKFLOW
Work Flow
INFOID:0000000007357483
WORK FLOW
DETAILED FLOW
1.
CUSTOMER INFORMATION
Interview the customer to obtain detailed information about the symptom.
>> GO TO 2
2.
INITIAL INSPECTION
Perform an initial inspection of all accessible transfer case harnesses and connectors under the vehicle.
>> GO TO 3
3.
SELF-DIAGNOSIS
Perform self-diagnosis. Refer to
DLN-202, "CONSULT Function (ALL MODE AWD/4WD)"
AWDIA0028GB
August 2012
2012 Pathfinder
DLN-194
< BASIC INSPECTION >
[TRANSFER: TX15B]
DIAGNOSIS AND REPAIR WORKFLOW
>> GO TO 4
4.
SYMPTOM
Check for symptoms. Refer to
>> GO TO 5
5.
MALFUNCTIONING PARTS
Repair or replace the applicable parts.
>> GO TO 6
6.
SYSTEM OPERATION
Check system operation.
>> GO TO 7
7.
SELF-DIAGNOSIS
Perform self-diagnosis.
Are any DTCs displayed?
YES
>> GO TO 5
NO
>> Inspection End.
August 2012
2012 Pathfinder
4WD SYSTEM
DLN-195
< SYSTEM DESCRIPTION >
[TRANSFER: TX15B]
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SYSTEM DESCRIPTION
4WD SYSTEM
System Diagram
INFOID:0000000007357484
COMPONENT DESCRIPTION
PDIA0152E
Components
Function
Transfer control unit
Controls transfer control device and controls shifts between 2WD/4WD and 4H/4LO.
Transfer control device
Integrates actuator motor and actuator position switch.
Actuator motor
Moves shift rods when signaled by transfer control unit.
Actuator position switch
Detects actuator motor position.
Wait detection switch
Detects if transfer case is in 4WD.
4LO switch
Detects if transfer case is in 4LO.
ATP switch
Detects if transfer case is in neutral.
4WD shift switch
Allows driver to select from 2WD/4WD and 4H/4LO.
4WD warning lamp
• Illuminates if malfunction is detected in 4WD system.
• Flashes (1 flash / 2 seconds) if rotation difference of front wheels and rear wheels is large.
ATP warning lamp
Indicates that A/T parking mechanism does not operate when A/T selector lever is in “P” position be-
cause transfer case is in neutral.
4WD shift indicator lamp
Displays driving range selected by 4WD shift switch.
4LO indicator lamp
Displays 4LO range.
ABS actuator and electric unit
(control unit)
Transmits the following signals via CAN communication to transfer control unit.
• Vehicle speed signal
• Stop lamp switch signal (brake signal)
TCM
Transmits the following signal via CAN communication to transfer control unit.
• Output shaft revolution signal
• A/T position indicator signal (transmission range switch signal)
ECM
Transmits engine speed signal via CAN communication to transfer control unit.
August 2012
2012 Pathfinder
DLN-196
< SYSTEM DESCRIPTION >
[TRANSFER: TX15B]
4WD SYSTEM
System Description
INFOID:0000000007357485
TRANSFER CONTROL DEVICE
Integrates actuator motor and actuator position switch.
Actuator Motor
Moves shift rods when signaled by transfer control unit.
Actuator Position Switch
Detects actuator motor position and then sends signal to transfer control unit.
WAIT DETECTION SWITCH
Detects if transfer case is in 4WD by the 2-4 shift fork position.
NOTE:
If 4WD shift switch is switched to 4H or 4LO and the transfer case is not in 4WD completely, the wait detection
system will operate.
4LO SWITCH
4LO switch detects if the transfer case is in 4LO by the position of the L-H shift fork.
ATP SWITCH
ATP switch detects if transfer case is in neutral by the position of the L-H shift fork.
NOTE:
Transfer case may be in neutral when shifting between 4H-4LO.
TRANSFER CONTROL UNIT
• Transfer control unit controls transfer control device and it directs shifts from 4H-4LO and 2WD-4WD.
• Self-diagnosis can be done.
TRANSFER SHIFT HIGH AND LOW RELAYS
Transfer shift high and low relays apply power supply to transfer control device (actuator motor).
TRANSFER SHUT OFF RELAYS
Transfer shut off relays 1 and 2 apply power supply to transfer control unit.
4WD SHIFT SWITCH AND INDICATOR LAMP
4WD Shift Switch
4WD shift switch is able to select from 2WD, 4H or 4LO.
4WD Shift Indicator Lamp
• Displays driving conditions selected by the 4WD shift switch while engine is running. When the 4WD warn-
ing lamp is turned on, all 4WD shift indicator lamps will turn off.
• Turns ON when ignition switch is turned ON, for purpose of lamp check. Turns OFF approximately for 1 sec-
ond after the engine starts if system is normal.
WDIA0138E
August 2012
2012 Pathfinder
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