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 K-line ECU & Aftermarket Radios

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Cymro
VAG Wales Admin
Cymro

Number of posts : 2222
Ride : Mk2 Polo "Fern", Kia Sportage
Registration date : 2008-03-26

K-line ECU & Aftermarket Radios Empty
PostSubject: K-line ECU & Aftermarket Radios   K-line ECU & Aftermarket Radios EmptyMon Jul 19 2010, 19:54

At sometime in the last few years VW started using radios that could be interrogated by the ECU, it works fine as long as you use the stock beta/gamma radio, swap it for an after market unit then this line becomes 12v active (should display a engine light but not always) which doesnt effect the car in anyway but if you connect a diagnostic unit it will blow up the diagnostic unit Laughing

I know this happens on the 9n polo's (you do get a warning light, that goes off with the harness adapter) and the system isnt used in the double din radio's on the GTI/TDI.

VW themselves have been told to not even test your car if it has an aftermarket radio.

If you phone VW they will say that it damages the car to fit one, all it does is generate a self resetting error code and shows the check engine light, once problem is solved the code deletes itself and the light goes out.

_________________
"If my calculations are correct, when this baby hits eighty-eight miles per hour... you're gonna see some serious shit"

McLOVIN - RE: Polo Show 2011 - There was a ginger alert at the gate?? Man that place is well ahead of the times, next they'll be installing gas fittings into the shower heads in the gingers showers...

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Vyizis
Keyboard Warrior
Vyizis

Number of posts : 151
Ride : Corrado :)
Registration date : 2008-12-01

K-line ECU & Aftermarket Radios Empty
PostSubject: Re: K-line ECU & Aftermarket Radios   K-line ECU & Aftermarket Radios EmptyTue Jul 20 2010, 08:20

Its VW not using standard ISO wiring even tho they use iso plugs for some of there older factory radios. If fitted properly ie. with a harness adaptor its not a problem Smile

The position the k-line takes on the standard iso wiring is the active aerial power feed which is why it gets fed with 12v Smile
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Cymro
VAG Wales Admin
Cymro

Number of posts : 2222
Ride : Mk2 Polo "Fern", Kia Sportage
Registration date : 2008-03-26

K-line ECU & Aftermarket Radios Empty
PostSubject: Re: K-line ECU & Aftermarket Radios   K-line ECU & Aftermarket Radios EmptyTue Jul 20 2010, 20:04

ang then blows up the diagnostic unit. Laughing

_________________
"If my calculations are correct, when this baby hits eighty-eight miles per hour... you're gonna see some serious shit"

McLOVIN - RE: Polo Show 2011 - There was a ginger alert at the gate?? Man that place is well ahead of the times, next they'll be installing gas fittings into the shower heads in the gingers showers...

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