Automatic Transmission/Transaxle: Description and Operation

This automatic four speed transaxle is a fully automatic unit consisting of four multiple disc clutches, a four element torque converter with a lock up clutch, 1st gear sprag clutch and a servo actuated dog clutch.
The transaxle uses and electronic control system. The unit uses five electrohydraulic actuators in conjunction with a powertrain control module (PCM) and its sensors to control shift timing, shift feel and on-board diagnostics.