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Model specific boards => Golf mk3 => Topic started by: Diluxe on 06 April 2013, 13:08
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on the ECU which pin is for the OBD port?
cheers
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I have wiring diagrams as PDF that I could email to you if you pm me.
The closest thing I found is described as "Terminal for self diagnosis" - not sure if this is exactly what you're after but it seems to be Pin 43 as a grey and white wire.
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HI Mate, i believe it to be pin 43 aswell, i'll PM you my email address.
i've been tracing pin43 and it seems to run down to the ABS unit in the engine bay and then on from there to the fuse box where it terminates as a grey plug, i also have a brown plug and red plug terminating into the same block, which then has a 2 pin plug in it which flows off to the OBD port.
what do these brown plug and red plug single pin cables correspond with.
And when VAG com is checking modules where are these modules e.g abs and Airbag.
cheers
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Just sent you the diagram for the ABF ECU.
Pin 43 also branches off to the Immobiliser Control unit by the looks of it and the wire colour remains the same.
However the other two red and brown coloured wires aren't shown in the diagram. Could they be power and earth for the OBD socket?
Out of interest, are you having Vag-Com communication problems?
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Thanks.
I'm getting 12v down my k-line and am trying to trace where it's coming from, k-line doesn't go through the HU plugs on mk3 I believe ?? , I can't also see the lead going into the immobolizer, there is an aftermarket alarm on the car and I wondering if that's causing issues aswell....