what does open loop & closed loop mean?
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Joined: Feb 2001
Posts: 3,068
From: Cincinnati, Ohio
Two different stages of the computer systems on our cars.
To put it in the most basic terms..
Open loop is used at initial start up until the engine warms up. In open loop, the ECM cant learn, but only uses what it has learned in the past.
Closed loop brings all the engines sensors into play and adjusts to current driving conditions.
http://members.aol.com/InjuneerZZ/ScanMast.htm
That is on scanMaster, but is THE place to start learning about our computers.
To put it in the most basic terms..
Open loop is used at initial start up until the engine warms up. In open loop, the ECM cant learn, but only uses what it has learned in the past.
Closed loop brings all the engines sensors into play and adjusts to current driving conditions.
http://members.aol.com/InjuneerZZ/ScanMast.htm
That is on scanMaster, but is THE place to start learning about our computers.
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