Nissan Pathfinder (2010 year). Instruction — part 194
ATP SWITCH
DLN-125
< SYMPTOM DIAGNOSIS >
[TRANSFER: ATX14B]
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ATP SWITCH
Description
INFOID:0000000005258334
The ATP indicator is ON when the transfer case is not in neutral.
Diagnosis Procedure
INFOID:0000000005258335
Regarding Wiring Diagram information, refer to
DLN-95, "Wiring Diagram - ALL-MODE 4WD SYSTEM -"
.
1.
CHECK ATP SWITCH SIGNAL
With CONSULT-III
1. Start engine.
2. Select DATA MONITOR mode for ALL MODE AWD/4WD with CONSULT-III.
3. Read out the value of ATP SWITCH.
Without CONSULT-III
1. Start engine.
2. Check voltage between transfer control unit harness connector
terminal and ground.
Are inspection results normal?
YES
>> GO TO 5.
NO
>> GO TO 2.
2.
CHECK HARNESS BETWEEN TRANSFER CONTROL UNIT AND ATP SWITCH
1. Turn ignition switch OFF. (Stay for at least 5 seconds.)
2. Disconnect transfer control unit harness connector and the ATP switch harness connector.
3. Check continuity between transfer control unit harness connec-
tor M153 terminal 40 and ATP switch harness connector F55
terminal 8.
Also check harness for short to ground and short to power.
Are inspection results normal?
YES
>> GO TO 3.
NO
>> Repair or replace damaged parts.
Condition
Display value
• Vehicle stopped
• Engine running
• A/T selector lever
N
• Brake pedal de-
pressed
4WD shift switch
: 4H to 4LO or 4LO to 4H
(While actuator motor is operating.)
ON
Except the above
OFF
Connector
Terminal
Condition
Voltage
(Approx.)
M153
40 -
Ground
• Vehicle stopped
• Engine running
• A/T selector lever
N
• Brake pedal de-
pressed
4WD shift switch: 4H
to 4LO or 4LO to 4H
(While actuator motor
is operating.)
0V
Except the above
Battery
voltage
SDIA2755E
Continuity should exist.
SDIA2756E
2010 Pathfinder
DLN-126
< SYMPTOM DIAGNOSIS >
[TRANSFER: ATX14B]
ATP SWITCH
3.
CHECK GROUND CIRCUIT
1. Turn ignition switch OFF. (Stay for at least 5 seconds.)
2. Disconnect ATP switch harness connector.
3. Check continuity between ATP switch harness connector F55
terminal 9 and ground.
Also check harness for short to ground and short to power.
Are inspection results normal?
YES
>> GO TO 4.
NO
>> Repair open circuit or short to ground or short to power
in harness or connectors.
4.
CHECK ATP SWITCH
1. Turn ignition switch OFF. (Stay for at least 5 seconds.)
2. Disconnect ATP switch harness connector.
3. Remove ATP switch. Refer to
DLN-19, "Component Parts Location"
4. Push and release ATP switch and check continuity between ATP
switch terminals 8 and 9.
Are inspection results normal?
YES
>> GO TO 5.
NO
>> Replace ATP switch.
5.
CHECK TRANSFER CONTROL UNIT
Check transfer control unit input/output signal. Refer to
Are inspection results normal?
YES
>> GO TO 6.
NO
>> Check transfer control unit pin terminals for damage or loose connection with harness connector.
If any items are damaged, repair or replace damaged parts.
6.
CHECK ATP WARNING LAMP
1. Turn ignition switch ON. (Do not start engine.)
2. Move A/T selector lever to P position.
3. Set 4WD shift switch from 4H to 4LO or 4LO to 4H.
Does ATP warning lamp turn ON while switching?
YES
>> Inspection End.
NO
>> GO TO
DLN-118, "Diagnosis Procedure"
.
Continuity should exist.
SDIA2394E
Terminal
Condition
Continuity
8 - 9
Push ATP switch
Yes
Release ATP switch
No
SDIA2757E
2010 Pathfinder
4WD SYSTEM DOES NOT OPERATE
DLN-127
< SYMPTOM DIAGNOSIS >
[TRANSFER: ATX14B]
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4WD SYSTEM DOES NOT OPERATE
Description
INFOID:0000000005258336
The vehicle can not be put into 4WD mode. (Possible hydraulic malfunction)
Diagnosis Procedure
INFOID:0000000005258337
1.
CHECK SYSTEM FOR 4WD SHIFT SWITCH
Perform trouble diagnosis for 4WD shift switch system. Refer to
Are the inspection results normal?
YES
>> GO TO 2.
NO
>> Repair or replace damaged parts.
2.
CHECK SYSTEM FOR CLUTCH PRESSURE SWITCH
Perform trouble diagnosis for clutch pressure switch system. Refer to
.
Are the inspection results normal?
YES
>> GO TO 3.
NO
>> Repair or replace damaged parts.
3.
SYMPTOM CHECK
Check again.
Are the inspection results normal?
YES
>> Inspection End.
NO
>> GO TO 4.
4.
CHECK TRANSFER CONTROL UNIT
Check transfer control unit input/output signal. Refer to
.
Are the inspection results normal?
YES
>> GO TO 5.
NO
>> Check transfer control unit pin terminals for damage or loose connection with harness connector.
If any items are damaged, repair or replace damaged parts.
5.
CHECK TRANSFER INNER PARTS
1. Disassemble transfer assembly. Refer to
DLN-154, "Disassembly and Assembly"
2. Check transfer inner parts.
Are the inspection results normal?
YES
>> Inspection End.
NO
>> Repair or replace damaged parts.
2010 Pathfinder
DLN-128
< PRECAUTION >
[TRANSFER: ATX14B]
PRECAUTIONS
PRECAUTION
PRECAUTIONS
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
INFOID:0000000005550196
The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”, used along
with a front seat belt, helps to reduce the risk or severity of injury to the driver and front passenger for certain
types of collision. This system includes seat belt switch inputs and dual stage front air bag modules. The SRS
system uses the seat belt switches to determine the front air bag deployment, and may only deploy one front
air bag, depending on the severity of a collision and whether the front occupants are belted or unbelted.
Information necessary to service the system safely is included in the SR and SB section of this Service Man-
ual.
WARNING:
• To avoid rendering the SRS inoperative, which could increase the risk of personal injury or death in
the event of a collision which would result in air bag inflation, all maintenance must be performed by
an authorized NISSAN/INFINITI dealer.
• Improper maintenance, including incorrect removal and installation of the SRS, can lead to personal
injury caused by unintentional activation of the system. For removal of Spiral Cable and Air Bag
Module, see the SR section.
• Do not use electrical test equipment on any circuit related to the SRS unless instructed to in this
Service Instruction. SRS wiring harnesses can be identified by yellow and/or orange harnesses or har-
ness connectors.
PRECAUTIONS WHEN USING POWER TOOLS (AIR OR ELECTRIC) AND HAMMERS
WARNING:
• When working near the Airbag Diagnosis Sensor Unit or other Airbag System sensors with the Igni-
tion ON or engine running, DO NOT use air or electric power tools or strike near the sensor(s) with a
hammer. Heavy vibration could activate the sensor(s) and deploy the air bag(s), possibly causing
serious injury.
• When using air or electric power tools or hammers, always switch the Ignition OFF, disconnect the
battery, and wait at least 3 minutes before performing any service.
Precaution Necessary for Steering Wheel Rotation After Battery Disconnect
INFOID:0000000005550197
NOTE:
• This Procedure is applied only to models with Intelligent Key system and NATS (NISSAN ANTI-THEFT SYS-
TEM).
• Remove and install all control units after disconnecting both battery cables with the ignition knob in the
″
LOCK
″
position.
• Always use CONSULT-III to perform self-diagnosis as a part of each function inspection after finishing work.
If DTC is detected, perform trouble diagnosis according to self-diagnostic results.
For models equipped with the Intelligent Key system and NATS, an electrically controlled steering lock mech-
anism is adopted on the key cylinder.
For this reason, if the battery is disconnected or if the battery is discharged, the steering wheel will lock and
steering wheel rotation will become impossible.
If steering wheel rotation is required when battery power is interrupted, follow the procedure below before
starting the repair operation.
OPERATION PROCEDURE
1. Connect both battery cables.
NOTE:
Supply power using jumper cables if battery is discharged.
2. Use the Intelligent Key or mechanical key to turn the ignition switch to the
″
ACC
″
position. At this time, the
steering lock will be released.
3. Disconnect both battery cables. The steering lock will remain released and the steering wheel can be
rotated.
4. Perform the necessary repair operation.
2010 Pathfinder
PRECAUTIONS
DLN-129
< PRECAUTION >
[TRANSFER: ATX14B]
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5. When the repair work is completed, return the ignition switch to the
″
LOCK
″
position before connecting
the battery cables. (At this time, the steering lock mechanism will engage.)
6. Perform a self-diagnosis check of all control units using CONSULT-III.
Precaution for Transfer Assembly and Transfer Control Unit Replacement
INFOID:0000000005258339
When replacing transfer assembly or transfer control unit, check the 4WD shift indicator lamp as follows.
1. Turn ignition switch ON.
2. Check 4WD shift indicator lamp is turned ON for approximately 1 second.
• If OK, the position between transfer assembly and transfer control unit is correct.
• If NG, the position is different between transfer assembly and transfer control unit.
Adjust the position between transfer assembly and transfer control unit. See METHOD FOR POSITION
ADJUSTMENT that follows.
METHOD FOR POSITION ADJUSTMENT
1. Start engine. Run the engine for at least 10 seconds.
2. Stop vehicle and move A/T selector lever to N position with brake pedal depressed. Stay in N for at least 2
seconds.
3. Turn 4WD shift switch to 2WD position. Stay in 2WD for at least 2 seconds.
4. Turn ignition switch OFF.
5. Start engine.
6. Erase self-diagnosis. Refer to
DLN-23, "CONSULT-III Function (ALL MODE AWD/4WD)"
7. Check 4WD shift indicator lamp. Refer to
If 4WD shift indicator lamp does not indicate 2WD, install new transfer control unit and retry the above
check.
Precaution
INFOID:0000000005258341
•
Before connecting or disconnecting the transfer control unit
harness connector, turn ignition switch “OFF” and disconnect
battery cables. Failure to do so may damage the transfer con-
trol unit. Battery voltage is applied to transfer control unit
even if ignition switch is turned “OFF”.
•
When connecting or disconnecting pin connectors into or
from transfer control unit, take care not to damage pin termi-
nals (bend or break).
When connecting pin connectors make sure that there are not
any bends or breaks on transfer control unit pin terminals.
SEF289H
SEF291H
2010 Pathfinder
DLN-130
< PRECAUTION >
[TRANSFER: ATX14B]
PRECAUTIONS
•
Before replacing transfer control unit, perform transfer con-
trol unit input/output signal inspection and make sure transfer
control unit functions properly. Refer to
.
Service Notice
INFOID:0000000005258342
• After overhaul refill the transfer with new transfer fluid.
• Check the fluid level or replace the fluid only with the vehicle parked on level ground.
• During removal or installation, keep inside of transfer clear of dust or dirt.
• Disassembly should be done in a clean work area.
• Before proceeding with disassembly, thoroughly clean the transfer. It is important to prevent the internal
parts from becoming contaminated by dirt or other foreign matter.
• Check for the correct installation status prior to removal or disassembly. If matchmarks are required, be cer-
tain they do not interfere with the function of the parts when applied.
• All parts should be carefully cleaned with a general purpose, non-flammable solvent before inspection or
reassembly.
• Check appearance of the disassembled parts for damage, deformation, and unusual wear. Replace them
with new ones if necessary.
• Gaskets, seals and O-rings should be replaced any time the transfer is disassembled.
• In principle, tighten bolts or nuts gradually in several steps working diagonally from inside to outside. If tight-
ening sequence is specified, use it.
• Observe the specified torque when assembling.
• Clean and flush the parts sufficiently and blow-dry them.
• Be careful not to damage sliding surfaces and mating surfaces.
• Use lint-free cloth or towels for wiping parts clean. Common shop rags can leave fibers that could interfere
with the operation of the transfer.
MEF040DB
2010 Pathfinder
PREPARATION
DLN-131
< PREPARATION >
[TRANSFER: ATX14B]
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PREPARATION
PREPARATION
Special Service Tool
INFOID:0000000005258343
The actual shapes of Kent-Moore tools may differ from those of special service tools illustrated here.
Tool number
(Kent-Moore No.)
Tool name
Description
KV31103300
(
—
)
Drift
• Removing press flange snap ring
• Installing press flange snap ring
• Installing carrier bearing
a: 76.3 mm (3.004 in) dia.
b: 130 mm (5.12 in)
KV38100300
(J-25523)
Drift
• Removing mainshaft rear bearing
a: 54 mm (2.13 in) dia.
b: 46 mm (1.81 in) dia.
c: 32 mm (1.26 in) dia.
KV38100500
(
—
)
Drift
• Installing front oil seal
a: 80 mm (3.15 in) dia.
b: 60 mm (2.36 in) dia.
KV40100621
(J-25273)
Drift
• Installing front drive shaft front bearing
• Installing front drive shaft rear bearing
a: 76 mm (2.99 in) dia.
b: 69 mm (2.72 in) dia.
KV40105310
(
—
)
Drift
• Installing dust cover
a: 89 mm (3.50 in) dia.
b: 80.7 mm (3.17 in) dia.
ST15310000
(J-25640-B)
Drift
• Installing mainshaft rear bearing
a: 96 mm (3.78 in) dia.
b: 84 mm (3.31 in) dia.
NT668
ZZA1046D
ZZA0811D
NT086
ZZA1003D
ZZA0908D
2010 Pathfinder
DLN-132
< PREPARATION >
[TRANSFER: ATX14B]
PREPARATION
ST22360002
(J-25679-01)
Drift
• Installing side oil seal
a: 23 mm (0.91 in) dia.
b: 32 mm (1.26 in) dia.
ST22452000
(J-34335)
Drift
• Removing press flange snap ring
• Installing press flange snap ring
a: 45 mm (1.77 in) dia.
b: 36 mm (1.42 in) dia.
c: 400 mm (15.76 in) dia.
ST30031000
(
—
)
Puller
• Removing carrier bearing
• Removing front drive shaft front bearing
• Removing front drive shaft rear bearing
a: 90 mm (3.54 in) dia.
b: 50 mm (1.97 in) dia.
ST30032000
(J-26010-01)
Base
• Installing front drive shaft front bearing
• Installing front drive shaft rear bearing
a: 38 mm (1.50 in) dia.
b: 80 mm (3.15 in) dia.
ST30720000
(J-25405)
Drift
• Installing rear oil seal
• Installing input bearing
• Installing input oil seal
a: 77 mm (3.03 in) dia.
b: 55.5 mm (2.185 in) dia.
ST30911000
(
—
)
Puller
• Removing press flange snap ring
• Installing press flange snap ring
• Installing mainshaft
• Installing carrier bearing
a: 98 mm (3.86 in) dia.
b: 40.5 mm (1.594 in) dia.
ST33052000
(
—
)
Adapter
• Removing front drive shaft front bearing
• Removing front drive shaft rear bearing
• Installing mainshaft
a: 28 mm (1.10 in) dia.
b: 22 mm (0.87 in) dia.
Tool number
(Kent-Moore No.)
Tool name
Description
ZZA1091D
NT117
NT411
NT660
ZZA0811D
NT664
NT431
2010 Pathfinder
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