Question about 1990 Toyota 4Runner

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I have a 4runner and i would just want to know the wire color of the iat sensor...their are 7 wires on the maf sensor and i do,t know which are the wires for the iaty sensor

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  • yadayada
    yadayada May 11, 2010

    u are sure the IAT is part of the MAF?? ask expert Toyota Ed, he will know for sure, he works as a dealer shop foreman and really knows his stuff.

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It should be a yellow wire with a black stripe, it is called the THA terminal and is on pin number 7 at the MAF. You can use pin 5 (brown wire with black stripe) as the return when making resistance measurements on the MAF (disconnect first)

Posted on Mar 05, 2009

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at 40°C (104°F): 0.9 - 1.3 k ohms
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Fig. 28: Engine wiring-Pick-Up 1991-95 6-cylinder


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Fig. 31: Chassis wiring-Pick-Up 1990-95




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Fig. 32: Chassis wiring-Pick-Up 1990-95 continued




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