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Thread: 1J Owners! Where does this plug go?

  1. #1
    Toymods Club Member Domestic Engineer Danners's Avatar
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    Default 1J Owners! Where does this plug go?

    Hey All,

    I recently completed (99% anyway) swapping my old busted 1J for a new one. In doing this i've managed to come out with only ONE PLUG that I can't find a location for.... hoping you guys can help

    The plug sits on the intake side of the engine and is quite long, so it could really end up anywhere. When bringing it straight out the top to take photos it hangs around near the dip stick

    Pics below







    Thanks in advance for your help!

    Dan
    Dan

  2. #2
    Junior Member 1st year Apprentice
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    Default Re: 1J Owners! Where does this plug go?

    maybe the oil level sensor? i have pulled my 1j apart many times and not seen it.

  3. #3
    Toymods Club Member Domestic Engineer Danners's Avatar
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    Default Re: 1J Owners! Where does this plug go?

    Don't know if this helps



    The red square is where it currently sits. I'm not sure if it plugs into something up top, or down the bottom

    I believe the wire originates from the mass that drops out below the intake plenum, but can't get my hands in there far enough to pinpoint. As i said, its quite long. I can have it hanging out of the bottom of the car if i want.
    Dan

  4. #4
    Toymods V8 Member Too Much Toyota CrUZida's Avatar
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    Default Re: 1J Owners! Where does this plug go?

    Heater Tap VSV ?
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    Junior Member Backyard Mechanic Hash_ra23's Avatar
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    Default Re: 1J Owners! Where does this plug go?

    if it drops out below the intake plenum...it connects to one of the sensors on the block or sump.

    The heater tap one comes from the loom that goes into the inside of the car IIRC.
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  6. #6
    Junior Member Backyard Mechanic Jaemus's Avatar
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    Default Re: 1J Owners! Where does this plug go?

    i read throught this and the other thread where you mentioned it; i have no direct experience but a thought occurs - could it be one of the many plugs that actually isnt going to be connected to anything that you have? there are always excess plugs, even on stock setups.

    the only thing disagreeing with this theory is that its quite long, as you say, and superfluous plugs are not normally so significant

    still, what i would suggest is, fire it up and see what doesnt work / what's different, then you might have a better idea
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  7. #7
    regular fella Conversion King chris davey's Avatar
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    Default Re: 1J Owners! Where does this plug go?

    from memory, the oil level plug is a single prong thing. So are the knock sensors AFAIK (also down that way)

    start it and see what doesn't work like jaemus said
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  8. #8
    Is a Chief Engine Builder wilbo666's Avatar
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    Default Re: 1J Owners! Where does this plug go?

    Reverse light switch? (Is new loom / engine OEM manual vs Auto perhaps?)

    BTW Chris, Oil level is 2 pin So it could be that too... there are 'small' and 'large' oil level sender plugs too I've noticed...

    Cheers
    Wilbo
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  9. #9
    ---------HO00NS---------- Chief Engine Builder IN 05 NT's Avatar
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    Default Re: 1J Owners! Where does this plug go?

    just looking on my jza70 loom, my plug has a bracket further up the loom that looks like it should bolt to the starter/bell bolt.....im guessing its the reverse light switch plug also.

    oil level is a female type plug...... knock sensors are also female type plug,

  10. #10
    Junior Member Automotive Encyclopaedia JZA70R_92's Avatar
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    Default Re: 1J Owners! Where does this plug go?

    Looks similar to the Heater VSV....also like my reverse light wires plug
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  11. #11
    ---------HO00NS---------- Chief Engine Builder IN 05 NT's Avatar
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    Default Re: 1J Owners! Where does this plug go?

    heater vsv is a short plug out of the main loom, heres a pic of how mine runs,


  12. #12
    Hide Yo Kids Hide Yo Wife Carport Converter hamgatan's Avatar
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    Default Re: 1J Owners! Where does this plug go?

    its definitely reverse lights Dan.

    mines not plugged in either (yeah its just hanging there..). but i cant find the bloody plug hole on the R154 for it...
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  13. #13
    Toymods Club Member Domestic Engineer Danners's Avatar
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    Default Re: 1J Owners! Where does this plug go?

    Hmm, well mine were working before I swapped engines, so it must be there somewhere!

    I'll let you know when i find it

    thanks for all the help fellas!
    Dan

  14. #14
    Toymods Club Member Domestic Engineer Danners's Avatar
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    Default Re: 1J Owners! Where does this plug go?

    Quote Originally Posted by IN 05 NT
    heater vsv is a short plug out of the main loom, heres a pic of how mine runs,

    That does look really similar to it, and it also looks about the same length. Where is the female end of that plug?
    Dan

  15. #15
    Is a Chief Engine Builder wilbo666's Avatar
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    Default Re: 1J Owners! Where does this plug go?

    Quote Originally Posted by Danners
    That does look really similar to it, and it also looks about the same length. Where is the female end of that plug?
    The Female end is what you have taken a picture of I assume you mean male end!

    The Male end comes out of the reverse light switch on the side of the gearbox!

    Cheers
    Wilbo
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