Malfunction Threshold

From the values of the transmission fluid pressure sensor, the parking actuator valve stroke sensor, and the two-way clutch actuator valve stroke sensor, the TCM determines as abnormal engagement of the clutch and the brake to the selected shift position/mode or abnormal switching of the parking actuator valve and the two-way clutch to the selected shift position/mode.

The following symptoms appear when abnormal engagement of the clutch and the brake to the selected shift position/mode or abnormal switching of the parking actuator valve and the two-way clutch to the selected shift position/mode are occurred: