Functional Check Procedure
- Install a tachometer or a scan tool.
- Operate the vehicle until proper operating temperature is reached.
- Drive the vehicle at 80-88 km/h (50-55 mph) with light throttle.
- Maintain the throttle position while you lightly touch the brake pedal and verify the release of the TCC and a slight increase in engine speed.
- Release the brake slowly, accelerate, and verify a reapply of the TCC with a slight decrease in engine speed.