Achieva V6-3300 3.3L (1992)
9.
Connect the negative battery cable.
IDLE LEARN PROCEDURE: Any time the battery is disconnected, the programmed position of the IAC valve pintle is lost, and replaced with a
default value. To return the IAC valve pintle to the correct position, perform the following procedure:
1.
After restoring battery power, connect the Tech 1 "SCAN" tool.
2.
Select "IAC SYSTEM," then select "IDLE LEARN" in the "MISC TEST" mode.
3.
Proceed with idle learn as directed.
^
This procedure allows the ECM memory to be updated with the correct IAC valve pintle position, for the vehicle, and provide a stable idle
speed.