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Thread: 2JZ-GTE cressida MX83 air conditioning problems

  1. #1
    Forum Member 1st year Apprentice
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    Default 2JZ-GTE cressida MX83 air conditioning problems

    ok, so i have a 2jz-gte in my S1 MX83 cressida, having minimal electrical knowledge, i need to know what needs to be wired up to get the air conditioning to work, i have enough gas in the system to get around the low pressure swich, i just need to know how to wire it up properly so it works and i dont run the risk of damaging the compressor or airconditioning system.

    p.s i have used the search facility and cannot seem to find the answer... or atleast one i understand... lol

  2. #2
    Junior Member Automotive Encyclopaedia
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    Default Re: 2JZ-GTE cressida MX83 air conditioning problems

    u should not have to do much as the ac on the mx83 doesnt have much to do with the engien ecu

    just find the black white wire on the ac amplifier and run that to the compressor wire
    i can fix it in 5 minutes

  3. #3
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    Default Re: 2JZ-GTE cressida MX83 air conditioning problems

    i have found 4 wires associated with the AC on the 2j loom...

    SSR- Air conditioner speed sensor
    SSR+ Air conditioner speed sensor
    ACMG Air condition magnetic clutch relay
    A/C Air conditioning request signal

    the wire i think i need to use of the MX83 side is the smal black/white wire on the grey plug... i think its pin 1....

  4. #4
    Junior Member Automotive Encyclopaedia
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    Default Re: 2JZ-GTE cressida MX83 air conditioning problems

    It's black with white Trace on the square plug under dash

  5. #5
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    Default Re: 2JZ-GTE cressida MX83 air conditioning problems

    Out of the 4 on the 2J harnes, which one goes to the black/white trace... That's what confuses me...

  6. #6
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    Default Re: 2JZ-GTE cressida MX83 air conditioning problems

    And Does that supply power to the compressor? I ask this as when I tested the plug there was no power to the compressor...

  7. #7
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    Default Re: 2JZ-GTE cressida MX83 air conditioning problems

    Ok, so I managed to get mine working... Was simple in the long run and this is how I done it...
    Pin 34 on the 40 pin 2jz computer plug (black/blue trace) to pin 8 on the grey 15 pin Cressida plug

    Pin 2 on the 22 pin Cressida ecu plug straight to the main power of the compressor (my 2jz wiring had a split somewhere)

    The low and high pressure switches still work...

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