Computer Diagnostics and Tuning Technical discussion on diagnostics and programming of the F-body computers

1995 PCM pin-out verification

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Old 09-02-2005, 03:47 PM
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1995 PCM pin-out verification

I recently got a code 43 (Knock sensor). I've gone through the steps to try and find out the problem, but nothing has been successful. After further research i've found that supposedly the correct position of the wire that runs from the sensor to the PCM is D22. Mine is in D27. (The blue connector) Am i wired wrong? Can someone please verify this on their car?

Now, if I am, I want to know why I haven't gotten this code 2 years ago.
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Old 09-02-2005, 04:20 PM
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Re: 1995 PCM pin-out verification

D22 is correct. D27 should have nothing on it. I would check it again. I think you counted it wrong. If you started counting the second row from the wrong end, 22 would appear to be 27.
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Old 09-02-2005, 07:11 PM
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Re: 1995 PCM pin-out verification

Thanks for the quick response! Your site is extremely helpful as well. I'll let you know if moving the pin to D22 fixes the problem.

Update: Its fixed now. Either my car is haunted or I mixed it up on reassembly. Thanks for the help!!

Last edited by Russtebo; 09-04-2005 at 02:34 PM.
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