Integrated Control Unit (ICU): Description: Description
The Electronic Stability Control (ESC) may also be referred to as Electronic Stability Program (ESP) depending on the vehicle model year and configuration. Certain components may also reference ESP, ESC, or use the traction control symbol.
| 1 - ANTILOCK BRAKE MODULE (ABM) |
| 2 - HYDRAULIC CONTROL UNIT (HCU) |
| 3 - PUMP/MOTOR |
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.
The ABS with ESC and All-Speed Traction Control ICU consists of the following components: the ABM, 12 (build/decay) solenoid valves, two traction control solenoid valves, two hydraulic 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.
For additional information on the ABM, refer to MODULE, ANTI-LOCK BRAKE SYSTEM, DESCRIPTION . For additional information on the HCU, refer to HYDRAULIC CONTROL UNIT (HCU), DESCRIPTION .