Lancer L4-2.4L (4B12) (2009)
CAUTION
To prevent damage to scan tool MB991958, always turn the ignition switch to the "LOCK" (OFF) position before connecting or
disconnecting scan tool MB991958.
1. After the ignition switch is in "LOCK" (OFF) position, connect scan tool MB991958 to the diagnosis connector.
2. Turn the ignition switch to the "ON" position.
3. Select "MFI" form System select Screen of scan tool MB991958.
4. Select "Special Function" form MFI Screen.
5. Select "Learned value reset" from Special Function Screen.
6. Select "All learned value" form Learned value reset Screen.
7. Initialize the learning value by pressing the "ON" button.
8. After initializing the learning value, the learning value of MFI engine idling is necessary.