Throttle/Idle Learn
The Idle Learn Procedure listed below must be performed whenever the following occurs:
The crankshaft position variation learn procedure is also required when the following service procedures have been performed, regardless of whether or not DTC P0315 is set:
- The throttle body assembly is replaced
- The throttle body is cleaned
- The engine control module (ECM) is replaced
- The idle air control valve is replaced
- Power disconnection (battery cable, ECM fuse, etc.) (Delphi ECM only)
- Turn the ignition ON.
- Turn the ignition OFF for 15 s.
- Turn the ignition ON for 5 s.
- Turn the ignition OFF for 15 s.
- Start the engine in park/neutral.
- Allow the engine to run until the engine coolant temperature is greater than 85°C (185°F).
- Turn the A/C ON for 10 s, if equipped.
- If the vehicle is equipped with an automatic transaxle, apply the parking brake. While pressing the brake pedal, place the transaxle in drive for 10 s.
- Turn the A/C OFF for 10 s, if equipped.
- If the vehicle is equipped with an automatic transaxle, while pressing the brake pedal, place the transaxle in park/neutral.
- Turn the ignition OFF. The idle learn procedure is complete.