Automatic Transmission
- Turn OFF the ignition.
- Restore the PCM battery feed.
- Turn OFF the A/C controls.
- Set the parking brake and block the drive wheels.
- Start the engine.
- Ensure that the engine coolant temperature is more than 80°C (176°F).
- Shift the transmission into Drive.
- Allow the engine to idle for 5 minutes.
- Shift the transmission into Park.
- Allow the engine to idle for 5 minutes.
- Turn OFF the engine for 30 seconds.