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Home >> Infiniti >> 2018 >> QX80 AWD >> Repair and Diagnosis >> Transmission >> Transfer Case >> Driveline System (Diagnostics) >> Description >> Component Location >> 4WD System >> Component Description

Component Description

Component parts

Reference/Function

Transfer control unit

Refer to Component Description .

Transfer control actuator

Transfer motor

Refer to Component Description .

Transfer internal speed sensor

Refer to Component Description .

Transfer motor temperature sensor

Refer to Component Description .

Transfer Hi-Lo position sensor

Refer to Component Description .

Transfer rotary position sensor

Refer to Component Description .

Transfer lock position sensor

Refer to Component Description .

Transfer fluid temperature sensor

Refer to Component Description .

4WD mode switch

Refer to System Description .

4WD indicator lamp

Refer to System Description .

4WD warning lamp

Refer to System Description .

ATP warning lamp

Refer to System Description .

ABS actuator and electric unit (control unit)

Transmits the following signals via CAN communication line to transfer control unit.

  • Vehicle speed signal (ABS)
  • Stop lamp switch signal (brake signal)
  • ABS operation signal
  • ABS malfunction signal
  • TCS operation signal
  • TCS malfunction signal
  • VDC operation signal
  • VDC malfunction signal

Steering angle sensor

Transmits the following signals via CAN communication line to transfer control unit.

  • Steering angle sensor signal
  • Steering angle sensor malfunction signal

ECM

Transmits the following signals via CAN communication line to transfer control unit.

  • Accelerator pedal position signal
  • Engine speed signal
  • Engine torque signal

TCM

Transmits the following signals via CAN communication line to transfer control unit.

  • Shift position signal
  • Current gear position signal
  • Next gear position signal
  • Output shaft revolution signal