Sensor-Input Speed: Description

Fig 1: Identifying Input and Output Speed Sensors and Transmission Range Sensor

Courtesy of CHRYSLER LLC

1 - INPUT SPEED SENSOR

2 - OUTPUT SPEED SENSOR

3 - TRANSMISSION RANGE SENSOR

The Input (1) and Output (2) Speed Sensors are two-wire magnetic pickup devices that generate AC signals as rotation occurs. They are mounted in the left side of the transmission case and are considered primary inputs to the Transmission Control Module (TCM). See Fig 1.