Lanos S Hatchback L4-1.6L DOHC D-TEC MFI (1999)
Idle Air Control (IAC) Valve: Testing and Inspection
Idle Learn Procedure
IDLE LEARN PROCEDURE
Whenever the battery cables, the powertrain control module (PCM)/engine control module (ECM), or the fuse is disconnected or replaced, the following
idle learn procedure must be performed:
1. Turn the ignition ON for 5 seconds.
2. Turn the ignition OFF for 10 seconds.
3. Turn the ignition ON for 5 seconds.
4. Start the engine in park/neutral.
5. Allow the engine to run until the engine coolant is above 85 °C (185 °F).
6. Turn the A/C ON for 10 seconds, if equipped.
7. Turn the A/C OFF for 10 seconds, if equipped.
8. If the vehicle is equipped with an automatic transaxle, apply the parking brake. While depressing the brake pedal, place the transaxle in D (drive).
9. Turn the A/C ON for 10 seconds, if equipped.
10. Turn the A/C OFF for 10 seconds, if equipped.
11. Turn the ignition OFF. The idle learn procedure is complete.
