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On-board module fried

Tiny
KAAV MOUA
  • MEMBER
  • 2005 AUDI A6
  • 3.2L
  • V6
  • 4WD
  • AUTOMATIC
  • 139,000 MILES
I have the vehicle listed above Quattro.
my on-board module on driver side fried and the wire on the 12 pin black connector pin #9 which I believe is black with yellow strip ha's melted all the way to the passenger side. I'm trying to figure out what that wire is and trying to get a diagram so I can find the source of why it had melted to I can fix the problem. Anything would help.
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Sunday, January 6th, 2019 AT 12:55 AM

1 Reply

Tiny
DANNY L
  • MECHANIC
  • 5,648 POSTS
Hello, I'm Danny.

With the information you have given here is as follows: Number #9 pin is brown/yellow and goes from ECM to Intake Manifold Tuning Valve Position Sensor. I did find a black/yellow that went to the E-box relay panel. Here is a tutorial for you to view testing wiring:

https://www.2carpros.com/articles/how-to-check-wiring

Here are the diagrams below.Hope this helps and thanks for using 2CarPros.
Danny-
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Sunday, January 6th, 2019 AT 1:46 AM

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