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Home >> Infiniti >> 2021 >> QX80 Premium Select, AWD >> Repair and Diagnosis >> Brakes >> Traction Control >> Brake Control System (Diagnostics) >> Description >> Component Parts >> Abs Actuator And Electric Unit (Control Unit) >> Component Description >> Actuator
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Component Description: Actuator

The following components are integrated with ABS actuator.

Motor/accumulator Assembly 

Pump

Motor

Accumulator

Motor Relay 

Operates the motor ON/OFF according to signals from ABS actuator and electric unit (control unit).

Actuator Relay (Main Relay) 

Operates each valve ON/OFF according to signals from ABS actuator and electric unit (control unit).

ABS IN Valve and ABS OUT Valve 

Increases, holds or decreases the fluid pressure of each caliper according to signals from ABS actuator and electric unit (control unit).

Cut Valve 1, Cut Valve 2 

Shuts off the ordinary brake line from master cylinder to signals from ABS actuator and electric unit (control unit).

Suction Valve 1 

Suction Valve 1 switches the brake path to convey accumulator pressure to the front system, according to a signal transmitted from the ABS actuator and electric unit (control unit).

Suction Valve 2 

Suction valve 2 releases accumulator pressure, according to a signal transmitted from the ABS actuator and electric unit (control unit).

Control Pressure Sensor (models with Advanced Driver Assistance System) 

Detects the brake fluid pressure of brake caliper side and transmits a signal to ABS actuator and electric unit (control unit).

Accumulator Pressure Sensor 

The accumulator pressure sensor detects brake fluid pressure accumulated in the accumulator and conveys the detected result to the ABS actuator and electric unit (control unit).

Master cylinder Pressure Sensor 

Detects the brake fluid pressure of master cylinder part and transmits a signal to ABS actuator and electric unit (control unit).