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Diagnostic Sensors
01-18-2012, 08:43 PM (This post was last modified: 01-18-2012 08:55 PM by cferry7.)
Post: #1
Diagnostic Sensors
1990 Cadillac Deville FWD 4.5L

I am trying to locate a resource for a list of the ECM codes in which you
can pull up on this vehicle after On Board Dignostics are run.
The system here is a OBD I On Board, I believe.
After depressing the OFF -WARMER buttons (Climate Control panel) , Diagnostics Run.
Then you depress OUTSIDE TEMP button and you enter Monitor or Sensor reading mode. Depressing HI / LO Fan buttons increment / decrement the Pointer from E020 thru E031, then the corresponding VALUE is displayed of these sensors. E020 - E031 : I am interested in obtaining a list of what each is actually reading (monitoring).

Thanks for any help !
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01-18-2012, 11:48 PM
Post: #2
RE: Diagnostic Sensors
Found this via Google. (despite the fact that they are blacked out today in protest)

http://www.cadillacforum.com/forum/cadil...dels-3695/

Seems that Caddy had quite the advanced diagnostic system in that era despite the fact that it was still OBD-1. Certainly worth printing out to keep in the glove box!
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07-27-2013, 10:21 AM
Post: #3
RE: Diagnostic Sensors
Hey Admin well i think that the link which you provide include great stuff about that topic.Thanks!!

Sensors Manufacturers
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