that would be the IAC reset function of the ECM. it pulses the IAC at either 80 or 160 Hz (or at least it does on later systems) to fully extend/retract/whatever.
obviously, it's not a single pulse that does that.
that would be the IAC reset function of the ECM. it pulses the IAC at either 80 or 160 Hz (or at least it does on later systems) to fully extend/retract/whatever.
obviously, it's not a single pulse that does that.
1995 Chevrolet Monte Carlo LS 3100 + 4T60E
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