|
|
ABS HYDRAULIC CIRCUIT AND SOLENOID VALVE The hydraulic diagram shows the vehicle in the ABS braking mode (Fig. 15). The diagram shows one • The normally open and normally closed valves modulate (build/decay) the brake hydraulic pressure • The pump/motor is switched on so that the brake fluid from the low pressure accumulators is • The brake fluid is routed to either the master cylinder or the wheel brake depending on the posi- Fig. 15 Hydraulic Circuit - ABS Braking Mode (Without Traction Control) 1 - OUTLET VALVE 8 - NORMALLY OPEN VALVE (MODULATING) RS BRAKES - ABS 5 - 101 HYDRAULIC CONTROL UNIT (HCU) (Continued) |