Computer Command Control - Throttle Body Fuel Injection

To reset the Idle Air Control (IAC) valve pintle position, proceed with the following:

1. Block the drive wheels, and apply the parking brake.
2. Start the engine, and hold the engine speed above 2000 rpm. Ground the diagnostic test terminal (ALDL) for ten seconds, then remove the ground.
3. Turn the ignition "OFF," then restart the engine and check for the proper idle operation.