DTC Set Conditions

In the case that the input signal from the front propeller shaft speed sensor is not input during the shift from 2WD to 4WD, the DTC 22 is set as the open circuit or the short circuit of the front propeller shaft speed sensor. In the case that the input signal from the front propeller shaft speed sensor is unstable when the engage switch is ON condition, the code DTC 23 is set as the open circuit or the short circuit of the front propeller shaft speed sensor.