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3 N 位动力传递路线和油路分析当换档操纵手柄位于 N 位时,如图5所示,动力传递路线和 P 位是一样的,用花键与液力变矩器相连的输入轴前进档单向离合器壳总成被液力变矩器驱动,由于没有任何离合器或楔块式单向离合器起作用,输入轴前进档单向离合器壳总成自由转动,动力传递被中断。只是此时驻车锁止执行器总成不起作用,驻车棘爪弹簧将驻车棘爪从后内齿圈的齿中释放出来,输出轴可以自由旋转,允许车辆移动。图6为 N 位油路,当将换档操纵手柄移入 N 位时,自动变速器的液压和电控系统的工作情况和 P 位也是一样的。然而,如果车辆是
3 N-bit power transmission routes and oil analysis When the shift lever is located in the N position, as shown in Figure 5, the power transmission line and the P-bit is the same, the spline and the torque converter connected to the input shaft forward The one-way clutch housing assembly is driven by the torque converter. Since there is no clutch or wedge-type one-way clutch acting, the input shaft forward clutch one-way clutch housing assembly rotates freely and power transmission is interrupted. Only now the parking lock actuator assembly does not work, the parking pawl spring releases the parking pawl from the rear ring gear teeth, the output shaft is free to rotate and the vehicle is allowed to move. Figure 6 for the N-bit oil, when the shift lever into the N-bit, automatic transmission hydraulic and electronic control system and the P-bit operation is the same. However, if the vehicle is