Question about 2007 GMC Yukon

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2007 GMC Yukon IAT sensor

I have located the sensor but it is part of the MAT sensor I think. 5 wires. 2 per sensor with a common black ground wire but which two wires are the IAT?

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Are you aware you can't really test this without the correct impedance meter You can ohm the sensor. But you will need to see how it responds while the car is warming up and you will need an laser to test for temp. I'm just letting you know that these newer computer in cars can be damaged easily with the wrong meter.
Good Luck

Posted on Jul 18, 2009

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1 Answer

For a 2005 GMC yukon 5.3L what are the wire colors that control the IAT sensor There should only be 2 wires controlling it but there are 5 on the connection as it controls the MAF and IAT with the sa


The intake air temp sensor is part of the MAF sensor so yes there are 5 wires.
The two wires that go to the air temp sensor are tan and black. The other three are for the MAF.

Apr 20, 2013 | GMC Yukon Cars & Trucks

1 Answer

Which wire does what on the IAT/MAS trying to find which ones go to IAT on a 2004 yukon 5.3


black/white goes to ground
black is ref DC from the PCM for the IAT
Tan is the IAT signal to the PCM
Pink is 12 volt power to the MAF sensor
Yellow is the MAF signal to the PCM


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Oct 25, 2010 | 2004 GMC Yukon

1 Answer

IAT SENSOR


what do you mean by control? there is one wire normally pink or white with pink strip that is power 5 volts + black is ground and a reference voltage 5 volts ground is black or white so the other two colors would be the control wires going to the computer. However would need the first 8 numbers of the Vin to know for sure. you can also go to www.alldatadiy.com and purchase a subscription that will give you the exact information you need, they change color codes for wires from time to time and if you hook it up wrong you can destroy the computer so I suggest you purchase the subscription to be sure.

Mar 21, 2010 | 2004 GMC Sierra 2500

1 Answer

2007 GMC Yukon. Can't locate the MAT or IAT sensor.


IAT is incoming air temperature sensor. Look from intake air hose/duct up to throttle body, for sensor that sticks into side or top of ducting that airflow coming in through there, or at front of throttle body area.

Jul 18, 2009 | 2007 GMC Yukon

1 Answer

2002 chev avalanche mat sensor


I assume you are looking for the wiring for the IAT because MAT sensors are no longer used..

here you go

black / white - PCM ground
pink - fused 12-volts
yellow - MAF signal
tan - IAT sensor signal
black - IAT sensor ground

manifold temp. sensors are no loner used.

I believe you are looking for the IAT "intake air temp sensor" which is part of the mass air flow sensor.

good luck

wesleyschacht@hotmail.com

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where is IAT sensor located in toyota yaris?

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the IAT should only be a 3 wire plug not 6

Jan 20, 2009 | 2007 GMC Yukon

1 Answer

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the iat 5 volt referance is tan/black in pin d- the sensor return is tan on e-maf sensor ignition power is pink in b cavity- c is ground and black/white -a is the maf signal and yellow

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1 Answer

2007 gmc sierra 2500 IAT sensor


Well, the IAT (Intake Air Temperature) sensor is located on the air intake duct between the filter and the throttle body (Assuming you have the 6L motor). The wires are easily visible at the plug that connects the sensor to the wiring harness. That's the easiest place to access them.

May 18, 2008 | 2004 GMC Sierra 2500

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