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Home >> Infiniti >> 2019 >> QX80 Limited >> Repair and Diagnosis (Single Page) >> Transmission >> Transfer Case >> Driveline System (Diagnostics) >> Description >> System >> 4WD System >> System Description >> Input/Output Signal
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Input/Output Signal

It transmits/receives each signal from the following transfer control unit via CAN communication line.

Component parts

Control signal

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

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

Steering angle sensor

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

  • Steering angle sensor signal
  • Steering angle sensor malfunction signal

Combination meter

Receives the following signals via CAN communication line from transfer control unit.

  • 4WD warning lamp signal
  • ATP warning lamp signal
  • 4WD mode indicator signal