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Thread: 1jz VVTI toyota diagnostic port

  1. #1
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    Default 1jz VVTI toyota diagnostic port

    I am currently running a Apexi PFC in the car( jzx100) and plan to swap to a Haltech platinum sport 2000 down the track , im getting rid of all the unused wiring thats not necessary or used , my question is do i really need the stock diagnostic plug (the big one in the engine bay) ? and will it still run correctly if i carefully remove it buy poping all the pins out on the main loom plugs

    i would like to keep the loom as tidy as possible and remove everything thats not necessary as it is a drift car

  2. #2
    Junior Member Automotive Encyclopaedia
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    Default Re: 1jz VVTI toyota diagnostic port

    I would leave it there as some wires are for diagnosing the rest of car
    Only one or two is for the engine

  3. #3
    C2H5OH Powered Automotive Encyclopaedia George's Avatar
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    Default Re: 1jz VVTI toyota diagnostic port

    It's safe to get rid of it. 1jz-gte vvti runs obd1-style diagnostics unles it's sourced from some newer chassis like JZS171/JZX110. So it's reasonable to just have +B,E1,TE1,TE2,VF2 somewhere near ecu.
    USSR GAZ24 with 1UZ-FE VVTi (UCV24) http://www.toymods.org.au/forums/showthread.php?t=60301
    Engine conversion is when you drive a shitbox which costs a whole LEXUS to own

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