Nissan Pathfinder (2007 year). Manual — part 406
TROUBLE DIAGNOSIS FOR SYMPTOMS
TF-129
[ATX14B]
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TF
2007 Pathfinder
5.
CHECK TRANSFER CONTROL UNIT
Check transfer control unit input/output signal. Refer to
TF-37, "Transfer Control Unit Input/Output Signal Ref-
.
OK or NG
OK
>> Inspection End.
NG
>> Check transfer control unit pin terminals for damage or loose connection with harness connector.
If any items are damaged, repair or replace damaged parts.
4WD Warning Lamp Flashes Slowly
EDS00378
SYMPTOM:
While driving, 4WD warning lamp flashes slowly. (Continues to flash until turning ignition switch OFF.)
NOTE:
Slow flashing: 1 time/2 seconds
DIAGNOSTIC PROCEDURE
1.
CHECK TIRE
Check the following.
●
Tire pressure
●
Wear condition
●
Longitudinal tire size (There is no difference between longitudinal tires.)
OK or NG
OK
>> GO TO 2.
NG
>> Repair or replace damaged parts.
2.
CHECK TRANSFER FLUID TEMPERATURE
Perform trouble diagnosis for transfer fluid temperature system. Refer to
TF-103, "Transfer Fluid Temperature"
.
OK or NG
OK
>> GO TO 3.
NG
>> Repair or replace damaged parts.
3.
CHECK CLUTCH PRESSURE SWITCH
Perform trouble diagnosis for clutch pressure switch system. Refer to
TF-106, "Clutch Pressure Switch"
OK or NG
OK
>> GO TO 4.
NG
>> Repair or replace damaged parts.
4.
SYMPTOM CHECK
Check again.
OK or NG
OK
>> Inspection End.
NG
>> GO TO 5.
5.
CHECK TRANSFER CONTROL UNIT
Check transfer control unit input/output signal. Refer to
TF-37, "Transfer Control Unit Input/Output Signal Ref-
.
OK or NG
OK
>> Inspection End.
NG
>> Check transfer control unit pin terminals for damage or loose connection with harness connector.
If any items are damaged, repair or replace damaged parts.
TF-130
[ATX14B]
TROUBLE DIAGNOSIS FOR SYMPTOMS
2007 Pathfinder
Heavy Tight-corner Braking Symptom Occurs
EDS00379
SYMPTOM:
Heavy tight-corner braking symptom occurs when vehicle is driven in AUTO mode and steering wheel
is turned fully to either side.
DIAGNOSTIC PROCEDURE
NOTE:
●
Light tight-corner braking symptom may occur depending on driving conditions in AUTO mode. This is not
a malfunction.
●
Heavy tight-corner braking symptom occurs when vehicle is driven in the following conditions: 4WD shift
switch is "4H" or "4LO", steering wheel is turned fully to either side.
1.
CHECK SYSTEM FOR CAN COMMUNICATION LINE
Perform self-diagnosis. Refer to
TF-47, "SELF-DIAG RESULT MODE"
.
Is "CAN COMM CIRCUIT [U1000]" displayed?
YES
>> Perform trouble diagnosis for CAN communication line. Refer to
.
NO
>> GO TO 2.
2.
CHECK SYSTEM FOR 4WD SHIFT SWITCH
Perform trouble diagnosis for 4WD shift switch system. Refer to
OK or NG
OK
>> GO TO 3.
NG
>> Repair or replace damaged parts.
3.
CHECK ACCELERATOR PEDAL POSITION SIGNAL CIRCUIT
Perform self diagnosis for ECM. Refer to
EC-48, "Emission-related Diagnostic Information"
Is any malfunction deteced by self-diagnosis?
YES
>> Check the malfunctioning system.
NO
>> GO TO 4.
4.
CHECK SYSTEM FOR CLUTCH PRESSURE SOLENOID
Perform trouble diagnosis for clutch pressure solenoid system. Refer to
TF-87, "Clutch Pressure Solenoid"
OK or NG
OK
>> GO TO 5.
NG
>> Repair or replace damaged parts.
5.
SYMPTOM CHECK
Check again.
OK or NG
OK
>> Inspection End.
NG
>> GO TO 6.
6.
CHECK TRANSFER CONTROL UNIT
Check transfer control unit input/output signal. Refer to
TF-37, "Transfer Control Unit Input/Output Signal Ref-
OK or NG
OK
>> GO TO 7.
NG
>> Check transfer control unit pin terminals for damage or loose connection with harness connector.
If any items are damaged, repair or replace damaged parts.
TROUBLE DIAGNOSIS FOR SYMPTOMS
TF-131
[ATX14B]
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TF
2007 Pathfinder
7.
CHECK TRANSFER INNER PARTS
1.
Disassemble transfer assembly. Refer to
TF-146, "Disassembly and Assembly"
2.
Check transfer inner parts.
OK or NG
OK
>> Inspection End.
NG
>> Repair or replace damaged parts.
4WD System Does Not Operate
EDS0037A
SYMPTOM:
The vehicle cannot be put into 4WD mode. (Hydraulic system failure)
DIAGNOSTIC PROCEDURE
1.
CHECK SYSTEM FOR 4WD SHIFT SWITCH
Perform trouble diagnosis for 4WD shift switch system. Refer to
.
OK or NG
OK
>> GO TO 2.
NG
>> Repair or replace damaged parts.
2.
CHECK SYSTEM FOR CLUTCH PRESSURE SWITCH
Perform trouble diagnosis for clutch pressure switch system. Refer to
TF-106, "Clutch Pressure Switch"
OK or NG
OK
>> GO TO 3.
NG
>> Repair or replace damaged parts.
3.
SYMPTOM CHECK
Check again.
OK or NG
OK
>> Inspection End.
NG
>> GO TO 4.
4.
CHECK TRANSFER CONTROL UNIT
Check transfer control unit input/output signal. Refer to
TF-37, "Transfer Control Unit Input/Output Signal Ref-
.
OK or NG
OK
>> GO TO 5.
NG
>> 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
TF-146, "Disassembly and Assembly"
2.
Check transfer inner parts.
OK or NG
OK
>> Inspection End.
NG
>> Repair or replace damaged parts.
TF-132
[ATX14B]
TRANSFER CONTROL UNIT
2007 Pathfinder
TRANSFER CONTROL UNIT
PFP:33084
Removal and Installation
EDS0037B
REMOVAL
1.
Set transfer state as 2WD when 4WD shift switch is at 2WD, or as AUTO when 4WD shift switch is at
AUTO.
CAUTION:
When removing transfer control unit, transfer state must be at 2WD or AUTO.
2.
Turn the ignition switch OFF and disconnect negative battery terminal.
3.
Remove the lower instrument panel LH. Refer to
IP-14, "LOWER INSTRUMENT PANEL LH"
4.
Disconnect the two transfer control unit connectors.
5.
Remove the transfer control unit bolts.
6.
Remove the transfer control unit.
INSTALLATION
Installation is in the reverse order of removal.
●
When installing the transfer control unit, tighten bolts to the specified torque.
CAUTION:
Do not connect harness connector to transfer control unit when 4WD shift switch is at 4LO.
●
After the installation, check perform self-diagnosis. Refer to
TF-52, "Self-diagnostic Procedure"
. If NG,
adjust position between transfer assembly and transfer control unit. Refer to
fer Assembly and Transfer Control Unit Replacement"
LDIA0168E
Transfer control unit bolts
: 3.4 N·m (0.35 kg-m, 30 in-lb)
FRONT OIL SEAL
TF-133
[ATX14B]
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2007 Pathfinder
FRONT OIL SEAL
PFP:38189
Removal and Installation
EDS0037C
REMOVAL
1.
Partially drain the transfer fluid. Refer to
.
2.
Remove the front propeller shaft. Refer to
PR-5, "Removal and Installation"
.
3.
Remove the companion flange self-lock nut using Tool.
4.
Put a matching mark on top of the front drive shaft in line with
the mark on the companion flange.
CAUTION:
Use paint to make the matching mark on the front drive
shaft. Do not damage the front drive shaft.
5.
Remove the companion flange using suitable tool.
6.
Remove the front oil seal from the front case using Tool.
CAUTION:
Do not damage front case.
Tool number
: KV40104000 (
—
)
SDIA2657E
SDIA2658E
WDIA0193E
Tool number
: ST33290001 (J-34286)
LDIA0144E
TF-134
[ATX14B]
FRONT OIL SEAL
2007 Pathfinder
INSTALLATION
1.
Install the new front oil seal until it is flush with the end face of
the front case using Tool.
CAUTION:
●
Do not reuse oil seal.
●
Apply petroleum jelly to oil seal.
2.
Align the matching mark of the front drive shaft with the match-
ing mark of the companion flange, then install the companion
flange.
3.
Install the new self-lock nut. Tighten to the specified torque
using Tool. Refer to
CAUTION:
Do not reuse self-lock nut.
4.
Install the front propeller shaft. Refer to
5.
Refill the transfer with fluid and check for fluid leakage and fluid
level. Refer to
.
Tool number
: KV38100500 (
—
)
SDIA2662E
SDIA2658E
Tool number
: KV40104000 (
—
)
LDIA0147E
REAR OIL SEAL
TF-135
[ATX14B]
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2007 Pathfinder
REAR OIL SEAL
PFP:33140
Removal and Installation
EDS0037D
REMOVAL
1.
Partially drain the transfer fluid. Refer to
.
2.
Remove the rear propeller shaft. Refer to
PR-10, "Removal and Installation"
3.
Remove the dust cover from the rear case.
CAUTION:
Do not damage the rear case.
4.
Remove the rear oil seal from the rear case using Tool.
CAUTION:
Do not damage the rear case.
INSTALLATION
1.
Install the new rear oil seal until it is flush with the end face of the
rear case using Tool.
CAUTION:
●
Do not reuse oil seal.
●
Apply petroleum jelly to oil seal.
2.
Apply petroleum jelly to the circumference of the new dust cover.
Position the new dust cover using the identification mark as
shown.
CAUTION:
●
Do not reuse dust cover.
●
Position the identification mark at the position shown.
WDIA0127E
Tool number
: ST33290001 (J-34286)
LDIA0139E
Tool number
: ST30720000 (J-25405)
LDIA0140E
SDIA3436E
TF-136
[ATX14B]
REAR OIL SEAL
2007 Pathfinder
3.
Install the new dust cover to the rear case using Tool.
CAUTION:
●
Do not reuse dust cover.
●
Apply petroleum jelly to dust cover.
4.
Install the rear propeller shaft. Refer to
5.
Refill the transfer with fluid and check for fluid leakage and fluid
level. Refer to
.
Tool number
: KV40105310 (
—
)
PDIA0116E
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