Tf-30 NISSAN X-TRAIL 2001 Service Repair Manual

TF-30
ALL MODE 4X4 SYSTEM
ALL MODE 4X4 SYSTEM
PFP:47850
PrecautionsEDS000IV
●This section describes ESP/TCS/ABS model.
●Refer to the BRC section for model without ESP/TCS/ABS.Refer toBRC-6, "ALL MODE 4X4 SYSTEM"
System ComponentEDS000IJ
System DescriptionEDS000IK
ELECTRONIC COUPLING
●In response to command current from 4WD control unit, control
clutch pull-in force is generated at the electromagnet and torque
is generated at the control clutch.
●The cam operates in response to control clutch torque and
applies pressure to main clutch.
● Main clutch transmits torque from input shaft to output shaft,
according to the amount of pressure.
●The actual amount of torque transfer is determined by control
current as shown in figure below (I-T characteristics figure).
4WD CONTROL UNIT
●Controls distribution of drive power between front-wheel drive
(100:0) and 4WD (50:50) conditions circuit according to signals
from sensors.
●If malfunction occurs in 4WD system, 4WD warning lamp turns
ON and vehicle changes to front-wheel drive.
● Self-diagnosis can be done with CONSULT-II.
SFIA0283E
SFIA0284E
SFIA0285E
SFIA0286E