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Home >> Infiniti >> 2018 >> QX80 RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 8 (Brake Control System) >> System Description >> Component Parts >> Component Description
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Component Description

WARNING: This page is about a different car, the 2019 Nissan Armada and 2018 Nissan Armada. However, it is still accessible from the selected car via links, so may be relevant.

Component

Reference/Function

ABS actuator and electric unit (control unit)

Motor/accumulator assembly

ABS Actuator and Electric Unit (Control Unit) 

Motor relay

Actuator relay (main relay)

ABS IN valve

ABS OUT valve

Cut valve 1

Cut valve 2

Suction valve 1

Suction valve 2

Control pressure sensor *1

Accumulator pressure sensor

Master cylinder pressure sensor

Wheel sensor

Wheel Sensor and Sensor Rotor 

Stop lamp switch

Stop Lamp Switch 

Steering angle sensor

Steering Angle Sensor 

Yaw rate/side/decel G sensor

Yaw Rate/Side/Decel G sensor 

Brake fluid level switch

Brake Fluid Level Switch 

Parking brake switch

Parking Brake Switch 

VDC OFF switch

VDC OFF Switch 

ECM

Mainly transmits the following signals to ABS actuator and electric unit (control unit) via CAN communication.

  • Accelerator pedal position signal
  • Engine speed signal

Mainly receives the following signals from ABS actuator and electric unit (control unit) via CAN communication.

  • Target throttle position signal

TCM

Mainly transmits the following signals to ABS actuator and electric unit (control unit) via CAN communication.

  • Shift position signal
  • Current gear position signal

Transfer control unit *2

Mainly transmits the following signals to ABS actuator and electric unit (control unit) via CAN communication.

  • Current 4WD mode signal
  • Variable 4 X 4 mode switch signal

ABS warning lamp

System Description 

Brake warning lamp

VDC warning lamp

VDC OFF indicator lamp

*1: Models with Advanced Driver Assistance System

*2: Models with 4WD system