Integrated Control Unit (ICU) - Description

DESCRIPTION










The Hydraulic Control Unit (HCU) (2) and the Antilock Brake Module (ABM) (1) used with this antilock brake system are combined (integrated) into one unit, which is called the Integrated Control Unit (ICU).





The ICU (1) is located in the engine compartment, mounted to the right side body frame rail near the strut tower.





On Right-Hand-Drive vehicles, the ICU (1) is located in the engine compartment, mounted to the left side body frame rail and strut tower.

The ABS with ESP(R) and All-Speed Traction Control ICU consists of the following components: the ABM, 8 (build/decay) solenoid valves, two traction control solenoid valves, two electronic shuttle valves, valve block, fluid accumulators, a pump, and an electric pump/motor.

NOTE: The HCU and the ABM are not serviceable separately from the ICU for vehicles equipped with Hill Start Assist (HSA).

The replaceable components of the ICU are the HCU and the ABM. No attempt should be made to service any components of the HCU or ABM. The ABM can be serviced without removing the entire assembly from the vehicle.

For additional information on the ABM, Anti-Lock Brake System Module - Description. For additional information on the HCU, Hydraulic Control unit (HCU) - Description.