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INTEGRATED CONTROL UNIT DESCRIPTION The hydraulic control unit (HCU) and the control- ler antilock brake (CAB) used with this antilock Depending on whether the vehicle is Left-Hand- Drive (LHD) or Right-Hand-Drive (RHD), the inte- Two different ICU’s (HCU and CAB) are used on this vehicle depending on whether or not the vehicle The ABS-only ICU consists of the following compo- nents: the CAB, eight (build/decay) solenoid valves The ABS-with traction control ICU consists of the following components: the CAB, eight (build/decay) The replaceable components of the ICU are the HCU and the CAB. No attempt should be made to CONTROL MOD- ULES/CONTROLLER ANTILOCK BRAKE - DESCRIPTION). OPERATION For information of the ICU, refer to these individ- ual components of the ICU: • CONTROLLER ANTILOCK BRAKE (CAB) (Refer to 8 - ELECTRICAL/ELECTRONIC CON- MODULES/CONTROLLER ANTILOCK BRAKE - OPERATION) • HYDRAULIC CONTROL UNIT (HCU) (Refer to 5 - BRAKES - ABS/HYDRAULIC/MECHANICAL/ REMOVAL REMOVAL - LHD (1) Disconnect the negative (ground) cable from the battery and isolate cable. (2) Remove the battery shield. CAL/BATTERY SYSTEM/BATTERY - REMOVAL). (4) Disconnect the vacuum hose connector at the tank built into the battery tray. (5) Remove the screw securing the engine coolant filler neck to the battery tray. (6) Remove the battery tray (Refer to 8 - ELEC- TRICAL/BATTERY SYSTEM/TRAY - REMOVAL). Fig. 19 Integrated Control Unit (ICU) 1 - PUMP/MOTOR Fig. 20 ICU Location In Vehicle 1 - POWER BRAKE BOOSTER RS BRAKES - ABS 5 - 105 |