Grand Caravan V6-3.3L Flex Fuel (2008)
Hydraulic Control Assembly - Antilock Brakes: Description and Operation
Integrated Control Unit (ICU)
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 (2) is located in the engine compartment, mounted on a bracket attached to the left side of the front suspension crossmember.
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.
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,See: Antilock Brakes / Traction Control Systems/Electronic Brake Control Module/Description and
Operation/Description. For additional information on the HCU,See: Hydraulic Control Unit (HCU).
