For 1990-2009 cars

The Idle Learn Procedure listed below must be performed whenever the following occurs:

• | The throttle body assembly is replaced

• | The throttle body is cleaned

• | The engine control module (ECM) is replaced

• | The idle air control valve (IAC) is replaced

• | Power disconnection (battery cable, ECM fuse, etc.) (Delphi ECM only)

1. Turn the ignition ON.
2. Turn the ignition OFF for 15 seconds.
3. Turn the ignition ON for 5 seconds.
4. Turn the ignition OFF for 15 seconds.
5. Start the engine in park/neutral.
6. Allow the engine to run until the engine coolant temperature is greater than 85°C (185°F).
7. Turn the A/C ON for 10 seconds, if equipped.
8. If the vehicle is equipped with an automatic transaxle, apply the parking brake. While pressing the brake pedal, place the transaxle in drive (D) for 10 seconds.
9. Turn the A/C OFF for 10 seconds, if equipped.
10. If the vehicle is equipped with an automatic transaxle, while pressing the brake pedal, place the transaxle in park/neutral.
11. Turn the ignition OFF. The idle learn procedure is complete.