2011 Nissan Armada Ta60 Series Workshop Service Repair Manual
COMPONENT DESCRIPTION
Components Transfer control unit
Transfer control device
2-4WD shift solenoid valve Clutch pressure solenoid valve Line pressure switch
Clutch pressure switch
Transfer fluid temperature sensor Actuator motor
Actuator position switch.
2011 Nissan Armada Ta60 Series Workshop Service Repair Manual
Wait detection switch
4LO switch
ATP switch
4WD shift switch
4WDwarninglamp
ATP warning lamp
4WD shift indicator lamp 4LO indicator lamp
Function
Controls transfer control device, control valves and shifts between 2WD/4WD and 4H/4LO.
2011 Nissan Armada Ta60 Series Workshop Service Repair Manual
Integrates actuator motor and actuator position switch.
Controls oil pressure and allows shifting between 2WD and 4WD. Controls oil pressure and distributes torque between front and rear tires. Detects line pressure.
Detects clutch pressure.
Detects transfer fluid temperature.
Moves shift rods when signaled by transfer control unit.
Detects actuator motor position.
Detects whether or not 4WD lock gear is locked.
Detects if transfer case is in 4LO.
Detects if transfer case is in neutral.
Allows driver to select from 2WD/4WD, 4H/4LO and AUTO.
• Illuminates if mal function is detected in 4WD system.
Indicates that A/T parking mechanism does not operate when A/T selector lever is in P position because transfer case is in neutral.
Displays driving range selected by 4WD shift switch. Displays 4LO range.
TRANSFER CONTROL UNIT
• Transfer control unit controls transfer control device 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)