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How to read engine codes on a 1990 accord.

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Old 02-20-2013, 06:18 AM   #1
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Icon2 How to read engine codes on a 1990 accord.

Hi im new to the post and I'm having problems with my 1990 Honda Accord ex four door automatic. The S for sport mode light stays on and the transmission doesn't shift right. I think my car is in Limp Mode because i think its stuck on 2nd gear. I have been doing a bit of research and turns out it's a common problem for these cars, and is usually the TCU or the VSS or some sort of other sensor, But i dont really know how to get the codes, and the autozone said that they can only get codes for '96 vehicles and up my cars to old, i want just do it my self but not sure how? Any info on codes and the S problem would be greatly appreciated. Thanks.
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Old 02-20-2013, 07:21 AM   #2
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Default Re: How to read engine codes on a 1990 accord.

You use the same self diagnostic method as the OBD1 Civic/Prelude guys use. Most call it the paperclip method.

how to check codes for 96 accord

The procedure is the same as the thread linked above, however the placement of your 2 pin SCS connector is behind/above the side kick panel in the passenger footwell.

Where this is a trans error the D4 light should blink, if both the D4 and check engine light are blinking then you could have seperate codes from the TCU and ECU.
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Old 02-20-2013, 07:47 AM   #3
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Default Re: How to read engine codes on a 1990 accord.

Thanks a lot! I'll try it and see whats up. Thanks!!
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