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  1. #1

    Default MINES SW20 ECU on ST185

    Hi

    I have a problem with my 1990 celica st185 204 ps europ version.

    on ebay i purchase this mines ecu

    http://www.ebay.com/itm/321186978770?_t ... EBIDX%3AIT



    I have it plugged in directly : The motor control light is always on, engine is running and takes no gas on, similar to when the fuel pump was broken :S

    The DTS don't rule (fakecodes)


    I think the MINES one is a SW20 1 ( JP ) ECU , right ?


    I have this compared with the pinouts to the connector and cable colors...

    http://gt4.mwp.id.au/Electrical/All%203 ... iagram.png


    my own shoud be the ST185 (USA+CND ) pinout ?



    The only difference in pinouts is :

    Mines : STJ and EGR missing

    My Own : ACT and CCO missing

    the rest is in line



    What am I doing with STJ , EGR , ACT and CCO ?







    sorry for my bad english.....thx alex

  2. #2

    Default

    Hi Alex,

    Your pinouts are probably different than US/Canada.

    If you open the ECU cover [4 screws] you can see the pinouts. Toyota usually labels their circuit boards.

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  3. #3

    Default

    It will look like this. Each terminal is labeled where the "wire" connects to the board on the left side.
    https://lh4.googleusercontent.com/-0...2013.42.27.jpg

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  4. #4

    Default

    Ok, thanks for this input.
    I am now getting a bit further , I know the exact pinout of two ECUs .
    the difference is that MINE'S has this pins, which is missing on my ST185 harness /ECU:


    CCO = to Check connector
    PS = Power Steering
    PSCT=Power Steering ECU
    EGW= Exhaust temperature sensor ( whats the different to THG ? )

    ABV=

    these pins are not available ( yet ) on my Harness / ECU ( Europa ST185)

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