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ABS TRACTION CONTROL HYDRAULIC CIRCUIT, The hydraulic diagram (Fig. 15) shows the vehicle in the ABS braking mode. The diagram shows a drive • The normally open ASR valve is energized to iso- late the brake fluid being pumped from the master • The normally open ASR valve bypasses the pump output back to the master cylinder at a fixed • The normally open and normally closed valves modulate (build/decay) the brake pressure as required to the spinning wheel. Fig. 15 Traction Control Hydraulic Circuit 1 – OUTLET VALVE 10 – FROM MASTER CYLINDER JX BRAKES 5 - 87 DESCRIPTION AND OPERATION (Continued) |