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Thread: ECU Logging Signal

  1. #1
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    ECU Logging Signal

    Tried posting this on 3si but guess there are no technical people left over there as I can never get anything answered over there anymore. Guess I'll just remember to post all questions on here from now on.

    So after completing my TT build I am in the process of trying to tune everything up. I am using MMCD on a Palm m105 and I cannot get it to connect. I keep getting a COMM Serial Error. I have gone through three different cables thinking I got bad cables but still nothing. I am now thinking the the ODB1 port is not getting a signal from the ECU. When I first got the car running it worked fine. the I started having issues with the the signal going in and out. I haven't done a lot of investigating yet due to the weather but I just have some quick questions.

    Does anyone know how to check from the signal?

    Can I just use a Digital Multi-meter to check the ODB1 port and the ECU pin?

    Anyone else having similar issues?

    I have a trial copy of HHH that I will try to log directly to the laptop and see if I can get a signal as soon as it warms up a little.

    Check it out on Youtube!!

    93 Stealth TT - The Stealth Project

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    More to Come......

  2. #2


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