93 Sedan Posted September 5, 2006 Report Share Posted September 5, 2006 I just installed a new (reman) Delco PCM in my 1993 DeVille. Took prom pack from old and placed in the new one. This part worked fine. Now I have to run the diagnostics...specifically TP Sensor/Idle learn. My question is as I prompt through the E.0.1...response E.9.6 then E.0.2 stuff...what is it I'm looking for and want to accomplish. Do I keep toggling the "HI" button to advance it through to the end (up to E1.2. I think) Reason I ask, I have a page from a caddy manual (given to me by a caddy mechanic) that's a long list mostly duplicating the diganostics over and over again that I followed to the T. I took the car for a run and the idle seems to stay high after removing foot from gas pedal. SES light came on. Code showed E27 - "Open Throttle switch circuit" if I'm correct. In short, what did I just spend the last half hour doing? Link to comment Share on other sites More sharing options...
BodybyFisher Posted September 5, 2006 Report Share Posted September 5, 2006 Here is the Idle Learn Procedure: Page 1 Pre-1995 - DTC codes OBD1 >> 1996 and newer - DTC codes OBD2 >> https://www.obd-codes.com/trouble_codes/gm/obd_codes.htm How to check for codes Caddyinfo How To Technical Archive >> http://www.caddyinfo.com/wordpress/cadillac-how-to-faq/ Cadillac History & Specifications Year by Year http://www.motorera.com/cadillac/index.htm Link to comment Share on other sites More sharing options...
BodybyFisher Posted September 6, 2006 Report Share Posted September 6, 2006 Page 2 You may need to set the ISC motor staticly, see RANGERS post in this thread: http://caddyinfo.ipbhost.com/index.php?sho...&hl=plunger Pre-1995 - DTC codes OBD1 >> 1996 and newer - DTC codes OBD2 >> https://www.obd-codes.com/trouble_codes/gm/obd_codes.htm How to check for codes Caddyinfo How To Technical Archive >> http://www.caddyinfo.com/wordpress/cadillac-how-to-faq/ Cadillac History & Specifications Year by Year http://www.motorera.com/cadillac/index.htm Link to comment Share on other sites More sharing options...
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