Nissan Pathfinder (2007 year). Manual — part 414
TRANSFER FLUID
TF-193
[TX15B]
C
E
F
G
H
I
J
K
L
M
A
B
TF
2007 Pathfinder
TRANSFER FLUID
PFP:31001
Replacement
EDS0037V
CAUTION:
If using the vehicle for towing, the transfer fluid must be replaced as specified. Refer to
DRAINING
1.
Stop engine.
2.
Remove the drain plug and gasket and drain the fluid.
3.
Install the drain plug with a new gasket to the transfer. Tighten to
the specified torque. Refer to
CAUTION:
Do not reuse gasket.
FILLING
1.
Remove the filler plug and gasket.
2.
Fill the transfer with new fluid until the fluid level reaches the
specified limit near the filler plug hole.
CAUTION:
Carefully fill fluid. (Fill up for approx. 3 minutes.)
3.
Leave the vehicle for 3 minutes, and check fluid level again.
4.
Install the filler plug with a new gasket to the transfer. Tighten to
the specified torque. Refer to
CAUTION:
Do not reuse gasket.
Inspection
EDS0037W
CAUTION:
If using the vehicle for towing, the transfer fluid must be replaced as specified. Refer to
FLUID LEAKAGE AND FLUID LEVEL
1.
Make sure that fluid is not leaking from the transfer assembly or around it.
2.
Check fluid level from the filler plug hole as shown.
CAUTION:
Do not start engine while checking fluid level.
3.
Install the filler plug with a new gasket to the transfer. Tighten to
the specified torque. Refer to
CAUTION:
Do not reuse gasket.
SDIA3286E
Fluid grade and capacity
: Refer to
SDIA3287E
SDIA3287E
TF-194
[TX15B]
4WD SYSTEM
2007 Pathfinder
4WD SYSTEM
PFP:33084
Cross-section View
EDS0037X
1.
Mainshaft
2.
Rear case
3.
Oil pump assembly
4.
Clutch gear
5.
2-4 shift fork
6.
2-4 sleeve
7.
Drive chain
8.
Sprocket
9.
L-H shift fork
10. L-H sleeve
11.
Internal gear
12. Front case
13. Planetary carrier assembly
14. Sun gear assembly
15. L-H shift rod
16. Control shift rod
17. Companion flange
18. Front drive shaft
19. Transfer control device
WDIA0222E
4WD SYSTEM
TF-195
[TX15B]
C
E
F
G
H
I
J
K
L
M
A
B
TF
2007 Pathfinder
Power Transfer
EDS0037Y
POWER TRANSFER DIAGRAM
1.
Mainshaft
2.
Clutch gear
3.
2-4 sleeve
4.
Drive chain
5.
Sprocket
6.
L-H sleeve
7.
Planetary carrier assembly
8.
Sun gear assembly
9.
Front drive shaft
WDIA0223E
TF-196
[TX15B]
4WD SYSTEM
2007 Pathfinder
POWER TRANSFER FLOW
System Description
EDS0037Z
TRANSFER CONTROL DEVICE
Actuator motor and actuator position switch are integrated. Transfer control device shifts from 4H-4LO and
between 2WD-4WD.
Actuator Motor
Actuator motor is operated by signal from transfer control unit and it operates control shift rod so as to shift
from 4H-4LO and between 2WD-4WD.
Actuator Position Switch
Actuator position switch detects actuator motor position and sends it to transfer control unit.
WAIT DETECTION SWITCH
Wait detection switch detects if transfer gear is in 4WD by 2-4 shift fork position.
NOTE:
If 4WD shift switch is switched to 4H or 4LO, transfer is not in 4WD completely when gear does not engage.
(Wait detection system is operating.)
4LO SWITCH
4LO switch detects if transfer gear is under 4LO condition by L-H shift fork position.
ATP SWITCH
ATP switch detects if transfer gear is under neutral condition by L-H shift fork position.
NOTE:
Transfer gear may be under neutral condition when shifting between 4H-4LO.
TRANSFER CONTROL UNIT
●
Transfer control unit controls transfer control device by input signals of each sensor and each switch, 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.
SDIA2213E
4WD SYSTEM
TF-197
[TX15B]
C
E
F
G
H
I
J
K
L
M
A
B
TF
2007 Pathfinder
4WD SHIFT SWITCH AND INDICATOR LAMP
4WD Shift Switch
4WD shift switch able to select from 2WD, 4H or 4LO.
4WD Shift Indicator Lamp
●
Displays driving conditions selected by 4WD shift switch with rear indicator, front and center indicator
while engine is running. (When 4H or 4LO, 4LO indicator lamp also works on. And when 4WD warning
lamp is turned on, all 4WD shift indicator lamps are turned off.)
●
Turns ON when ignition switch is turned ON, for purpose of lamp check. Turns OFF approximately for 1
second after the engine starts if system is normal.
4LO Indicator Lamp
●
Displays 4LO condition while engine is running. 4LO indicator lamp flashes if transfer gear does not shift
completely under 4H
⇔
4LO. In this condition, transfer may be under neutral condition and A/T parking
mechanism may not be operated.
●
Turns ON when ignition switch is turned ON, for purpose of lamp check. Turns OFF approximately for 1
second after the engine starts if system is normal.
WDIA0138E
TF-198
[TX15B]
4WD SYSTEM
2007 Pathfinder
4WD WARNING LAMP
Turns ON or FLASH when there is a malfunction in 4WD system.
Also turns ON when ignition switch is turned ON, for purpose of lamp check. Turns OFF approximately for 1
second after the engine starts if system is normal.
4WD Warning Lamp Indication
NOTE:
4WD warning lamp is turned on when the following one or more parts are malfunctioning.
●
Vehicle speed signal [from ABS actuator and electric unit (control unit)]
●
CAN communication line
●
AD converter
●
Engine speed signal
●
4WD shift switch
●
Wait detection switch
●
Actuator motor
●
Transfer control device
●
Transfer shut off relays
●
Transfer shift high and low relays
●
PNP switch signal
ATP WARNING LAMP
When A/T selector lever is in “P” position, vehicle may move because A/T parking mechanism does not oper-
ate when transfer is under neutral condition. ATP warning lamp is turned on to indicate this condition to the
driver.
Condition
4WD warning lamp
Lamp check
Turns ON when ignition switch is turned ON.
Turns OFF after engine start.
4WD system malfunction
ON
(For indicated malfunction items, see the “NOTE”)
During self-diagnosis
Flickers at malfunction mode.
Large difference in diameter of front/
rear tires
Slow flashing: 1 time/2 seconds
(Continuing to flash until turning ignition switch OFF)
Other than above (system normal)
OFF
4WD SYSTEM
TF-199
[TX15B]
C
E
F
G
H
I
J
K
L
M
A
B
TF
2007 Pathfinder
System Diagram
EDS00380
COMPONENTS FUNCTION
PDIA0152E
Component parts
Function
Transfer control unit
Controls transfer control device and switches 4H-4LO under 4WD condition and 2WD-4WD.
Transfer control device
Actuator motor and actuator position switch are integrated so as to switch driving types.
Actuator motor
Controls shift rods by signals from transfer control unit.
Actuator position switch
Detects actuator motor position.
Wait detection switch
Detects that transfer is under 4WD condition.
4LO switch
Detects that transfer is under 4LO condition.
ATP switch
Detects that transfer is under neutral condition.
4WD shift switch
Able to select from 2WD, 4H or 4LO.
4WD warning lamp
●
Illuminates if malfunction is detected in electrical system of 4WD system.
●
There is 1 blink in 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
and transfer is under neutral condition.
4WD shift indicator lamp
Displays driving condition selected by 4WD shift switch.
4LO indicator lamp
Displays 4LO condition.
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 (PNP switch signal)
ECM
Transmits engine speed signal via CAN communication to Transfer control unit.
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст