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Intake Air Temperature Sensor

Tiny
MIEC
  • MEMBER
  • 2004 MERCEDES BENZ C230
  • 75,000 MILES
I have a 2004 Mercedes C230 with the 1.8 L engine. The IAT is new and the wiring from the IAT to the ECM check out for continuity. I still get the engine code 0110. Is there a way to verify if the IAT is good?
Wednesday, February 15th, 2012 AT 5:25 PM

5 Replies

Tiny
RIVERMIKERAT
  • MECHANIC
  • 6,110 POSTS
See image attached
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Thursday, February 16th, 2012 AT 4:48 AM
Tiny
MIEC
  • MEMBER
  • 26 POSTS
Thank you! One more thing is that there are 4 terminals on the connector to the combination MAF/IAT senor. Do you know which two are for the IAT?
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Thursday, February 16th, 2012 AT 1:51 PM
Tiny
RIVERMIKERAT
  • MECHANIC
  • 6,110 POSTS
See schematics attached. The IAT is shown on the first one at the top right, if I recall correctly. The MAF is shown on the second at the top right.
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Thursday, February 16th, 2012 AT 11:48 PM
Tiny
MIEC
  • MEMBER
  • 26 POSTS
Those are great diagrams, but I just can read them when I blow them up. Can you send pdfs to miec@netzero. Net?

Thanks.
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Friday, February 17th, 2012 AT 12:22 AM
Tiny
RIVERMIKERAT
  • MECHANIC
  • 6,110 POSTS
Yes. I'll send both jpegs and pdfs. I enlarged them to 7500 pixels wide, too. They're huge.
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Friday, February 17th, 2012 AT 1:16 AM

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