Intake Air Temp Sensor Signal Wire

[petethedog]

Can anybody tell me which wire (Red, Pink, or Blue) is the signal wire for the IAT? Thanks!

[Kinarfi]

here is my MAP/IAT wiring looks like

photo removed, needed the space elsewhere, Kinarfi

[petethedog]

Hmmm. Location of the Air Temp Sensor is upper portion of air intake towards the front near distributor? Looking on diagram thought that was it but thinking it might not be the IAT. Thanks!

[Kinarfi]

take a picture and post it

[petethedog]

Got it figured out from your picture I think. IAT/MAP sensor is attached picture with 4 wires above the fuel pump on air intake. Which of the wires would be the IAT signal wire? yellow or the purple/red ?

[zebediah101]

I am new to this forum officially but I have been helped by you guys many times, thanks a lot for the help!! But I too now have the same problem as petethedog. I also need to know which of the wires on IAT/MAP sensor is the signal wire for the IAT. Looking at Kinarfis post i little bit confused and still as well dont know if its the yellow or the blue/red wire.

[zebediah101]

Think i found the answer here maybe;

http://wenku.baidu.com/view/a06a0a21192e45361066f554.html

wasnt easy to find, i think its the blue wire look on page 28 of the presentation and see what you think. I can't read chinese : P

[petethedog]

I got it from another source as well it is the blue wire. Good work. Thanks.

[petethedog]

Good link Zeb, can't read chinese but sure helps with id'ing sensors. On the Throttle Body the 3 prong sensor appears to me to be the Throttle Position Sensor, so the 4 prong on the TB must be the Idle Air Control I am thinking.

[Guest Lenny]

Good link Zeb, can't read chinese but sure helps with id'ing sensors. On the Throttle Body the 3 prong sensor appears to me to be the Throttle Position Sensor, so the 4 prong on the TB must be the Idle Air Control I am thinking.

Correct

Lenny

[petethedog]

Lenny,

I just posted my starting problem and what I have done to trouble shoot it on a separate post. Not sure what to do next.

[zebediah101]

Good now i can know for sure without second guessing the chinese diagram. Thanks guys glad to help!

[Kinarfi]

Looking at the drawing of the AIT/Map I'm not sure what I said in an early post is correct as it disagrees with this drawing. But if you want to know for sure which is the temp wire, once you're sure of the + and - wire, measure the resistance of the other terminals and then warm the thing up and see what changes. the temp wire will have changes on it and the pressure wire shouldn't.