| 摘要 |
In the brake system of a vehicle with ABS and ASR, the non-driven front wheel brakes 104, 106 receive brake pressure from a master cylinder as a result of pedal operation by the driver, and full pressure may be applied automatically to the driven rear wheel brakes when a certain condition exists during a braking process. Such conditions may include (i) a front wheel being subjected to ABS, (ii) the vehicle deceleration exceeding a stipulated threshold, (iii) the system pressure exceeding a stipulated value, or (iv) emergency operation of the brake pedal. Automatic application of full pressure to the rear wheel brakes, which employs the ASR valves 118, 146 and pump 142, may be delayed for a stipulated time period after detecting the existence of a condition for automatic application.
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