Transmission Speed Sensor: Description and Operation

Revolution Sensor:

PURPOSE/OPERATION
The revolution sensor detects the revolution of the idler gear parking pawl lock gear and emits a pulse signal. The pulse signal is sent to the A/T control unit which converts it into vehicle speed.

VEHICLE SPEED SENSOR-MTR
DESCRIPTION
The vehicle speed sensor-MTR is built into the speedometer assembly. The sensor functions as an auxiliary device to the revolution sensor when it is malfunctioning. The A/T control unit will then use a signal sent from the vehicle speed sensor-MTR.