Functional Check Procedure

1. Install a tachometer or a scan tool.
2. Operate the vehicle until you have reached proper operating temperature.
3. Drive the vehicle at 80-88 km/h (50-55 mph) with a light throttle (road load).
4. Maintaining throttle speed, lightly touch the brake pedal. Check for the release of the Torque Converter Clutch (TCC) and a slight increase in engine speed.
5. Release the brake and slowly accelerate. Check for a reapply of the converter clutch and a slight decrease in engine speed.