DTC P0722 Output Speed Sensor Circuit - No Signal: General Description

The OUTPUT SPEED SENSOR (PG-B) outputs waveform signals according to the revolutions of the output shaft of the transmission. The OUTPUT SPEED SENSOR (PG-B) is installed in front of the Transfer Drive Gear and determine the Transfer Drive Gear RPMs by calculating the frequency of the pulses. This value, together with the throttle position data, is mainly used to decide the optimum gear position.