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Obd2 Wiring Diagram


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#1 HOLTY

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Posted 21 November 2014 - 05:31 PM

Hi All,

 

I have an OBD2 reader that works fine on my other cars, but doesn't power up in the VX220.

 

Upon closer inspection, it looks as if some wires may have worked their way loose from the back of the OBD port and therefore it is not working/has no power.

 

Would anyone have or know where I could obtain a diagram showing which wires should be connected to which ports in the rear of the OBD.

Cheers in advance

 

Holty



#2 Exmantaa

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Posted 21 November 2014 - 05:52 PM

Pin 7 is is our ecu OBD connection (K-Line).

 

Posted Image



#3 HOLTY

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Posted 21 November 2014 - 07:52 PM

Pin 7 is is our ecu OBD connection (K-Line).

 

Posted Image

 

Thanks Exmantaa - just need to work out which wires have come out and where they should go!

 



#4 techieboy

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Posted 21 November 2014 - 07:55 PM

OBDII port is X13 on this diagram

 

http://www.speedster...nostic Link.pdf



#5 HOLTY

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Posted 21 November 2014 - 09:29 PM

OBDII port is X13 on this diagram

 

http://www.speedster...nostic Link.pdf

 

Thanks both - so looks like I have everything connected to the OBD port that should be - ports 3,4,5,7 & 12, with then 16 connected for power, but definitely not working with the reader. Two extra wires not connected (one red and one white) but these dont appear on that diagram.

 

Could the OBD port be broken? anything else I can try to isolate the problem?

 

Cheers in advance  



#6 slindborg

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Posted 23 November 2014 - 10:16 PM

Fuse 8 blown?

#7 christhegasman

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Posted 24 November 2014 - 07:42 AM

Is it worth trying a different reader ? Just in case yours just won't talk to the Vx




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