Transmission Operation Overview

Transmission operation is controlled by the PCM/ TCM.

Torque Converter 

This transmission uses a torque converter with the following elements:

• Impeller
  • Is attached to the torque converter housing and sets the fluid in motion.
• Turbine
  • Driven by the transmission fluid from the impeller.
• Reactor
  • The reactor has a One-Way Clutch (OWC) to hold it stationary during torque multiplication and allows it to rotate at higher vehicle speeds.
• TCC
  • The TCC connects the torque converter housing to the turbine when the TCC is applied.

For diagnostic information, Refer to: Torque Converter Clutch (TCC) .