2001 NISSAN X-TRAIL Service Repair Manual

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Page 2641 of 3833

NISSAN X-TRAIL 2001 Service Repair Manual ALL MODE 4X4 SYSTEM
TF-31
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4WD MODE SWITCH
AUTO mode (AUTO indicator lamp ON)
●Electronic control allows optimal distribution of torque to front/rear wheels to match road c

ALL MODE 4X4 SYSTEM
TF-31
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4WD MODE SWITCH
AUTO mode (AUTO indicator lamp ON)
●Electronic control allows optimal distribution of torque to front/rear wheels to match road conditions.
●Makes possible stable driving, with no wheel spin, on snowy roads or other slippery surfaces.
●On roads which do not require 4WD, it contributes to improved fuel economy by driving in conditions close
to front-wheel drive.
●Sensors determine the vehicle's turning condition, and in response tight cornering/braking are controlled
by distributing optimum torque to rear wheels.
NOTE:
●When driving in AUTO mode or LOCK mode, if there is a large difference between front and rear wheel
speed which continues for a long time, oil temperature of drive system parts becomes too high and 4WD
warning lamp flashes rapidly. (When 4WD warning lamp flashes, vehicle changes to front-wheel drive
conditions.)
● When driving in AUTO mode, 4WD warning lamp may flash slowly if there is a significant difference in
pressure or wear between tires. At this time, vehicle performance is not fully available and cautious driving
is required. (Continues until engine is turned OFF.)
●If 4WD warning lamp is flashing rapidly, stop vehicle and allow it to idle for some time. Flashing will stop
and AUTO mode will be restored.
●If the warning lamp flashes slowly during driving but remains OFF after engine is restarted, the system is
normal. If it again flashes slowly after driving for some time, vehicle must be inspected.
●When the difference of revolution speed between the front and rear wheel with AUTO mode the shift
switch occasionally changes to LOCK mode automatically. This is not malfunction.
LOCK mode (LOCK indicator lamp and AUTO indicator lamp ON)
●Front/rear wheel torque distribution is fixed, ensuring stable driving when climbing slopes.
●When LOCK mode is selected, vehicle will switch automatically to AUTO mode if vehicle speed increases.
If vehicle speed then decreases, the vehicle automatically returns to direct 4-wheel driving conditions.
NOTE:
If there is a significant difference in pressure or wear between tires, full vehicle performance is not available.
Tire conditions are detected, and LOCK mode may be prohibited, or else speeds at which LOCK mode is
enabled may be restricted.
2WD mode (indicator lamps OFF)
Vehicle is in front-wheel drive.
NOTE:
● If front wheels are slipping in 2WD mode, do not switch to AUTO or LOCK. This can cause difficulties for
the system.
● The shift switch even if the shift switch is in 2WD mode, the sift switch occasionally automatically change
to 4WD mode depending on the driving condition (For example; Depressing the acceleration firmly). this is
not malfunction. How ever, 4WD mode indicator lamp dose not illuminate.
4WD WARNING LAMP
Turns ON when there is a malfunction in 4WD system. It indicates that fail-safe mode is engaged and vehicle
is in 2WD.
Also turns ON when ignition switch is turned ON, for purpose of bulb check. Turns OFF approximately for 3
seconds after the engine starts if system is normal.
4WD waning lamp indiction
Condition Display 4WD warning lamp
Self-diagnosisWhen self-diagnosis is performed, indicates location of
malfunction by number of flashes.-
Lamp checkTurns ON when engine is started to check for burned-out
lamps.Turns ON when ignition switch
is turned ON. Turns OFF
approximately 3 seconds after
engine start.
4WD system malfunction Turns ON if there is malfunction in 4WD system. ON

Page 2642 of 3833

NISSAN X-TRAIL 2001 Service Repair Manual TF-32
ALL MODE 4X4 SYSTEM
FAIL- SAFE FUNCTION
●If a malfunction occurs in 4WD electrical system, and control unit detects the malfunction, 4WD warning
lamp on gauge turns ON to inform drive

Page 2643 of 3833

NISSAN X-TRAIL 2001 Service Repair Manual ALL MODE 4X4 SYSTEM
TF-33
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INPUT/OUTPUT SIGNAL
T: Transmit R: Receive
Signals ECMSteering wheel
angle sensor4WD control unitESP/ TCS / ABS
control unit
Engine speed signal

Page 2644 of 3833

NISSAN X-TRAIL 2001 Service Repair Manual TF-34
ALL MODE 4X4 SYSTEM
Circuit Diagram
EDS000IM
TDWA0007E

Page 2645 of 3833

NISSAN X-TRAIL 2001 Service Repair Manual ALL MODE 4X4 SYSTEM
TF-35
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Wiring DiagramEDS000IN
TDWA0002E

Page 2646 of 3833

NISSAN X-TRAIL 2001 Service Repair Manual TF-36
ALL MODE 4X4 SYSTEM
TDWA0003E

Page 2647 of 3833

NISSAN X-TRAIL 2001 Service Repair Manual ALL MODE 4X4 SYSTEM
TF-37
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TDWA0008E

Page 2648 of 3833

NISSAN X-TRAIL 2001 Service Repair Manual TF-38
ALL MODE 4X4 SYSTEM
TDWA0005E

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