Operation CHARM: Car repair manuals for everyone.

Transmission Speed Sensor: Description and Operation

PURPOSE
Detects rear wheel speed (on 4WD models) and sends a pulse signal to the TCU that is used for determining transfer oil pressure.

LOCATION
Transmission extension case, right side.

OPERATION
Sensor is a magnetic pick-up. Signal is created by indentations on the transfer clutch drum, which is connected directly to the rear wheel drive output shaft.