General Information: General Description

The AHB (Active Hydraulic Brake System) is composed of a ECU (Electronic Control Unit) and a HPU(Hydraulic Power Unit), BAU(Brake Actuation Unit) so the AHB hardware includes all solenoid valves inside the unit as well as the ECU.

Solenoid valves are switched to ON, OFF by ECU when the AHB is activated. Solenoid valves function is to increase, decrease or maintain the hydraulic pressure supplied to hydraulic booster line and pedal simulator.