Audi S4 1998 Turbo wiring diagrams

[Music73]

Hi...

I have a 1998 Audi S4 Turbo come in that appears to have an immobiliser fault but when trying to communicate with any systems communication fails.. Checked the dlc plug and power and ground connections are ok and getting some power on green diag line presume this is k-line... When checking the fuses I found one ECU fuse showing only 3.5v but can not find and wiring info to see what this relates to... could someone pls point me in the right direction of some more information..

Cheers

Nik


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[Music73]

just a quick bump...

[Music73]

I guess no-one has any info for these

[Meat-Head]

Think there's a ?? Color into the clocks and out on the grey/white THINK pin 19 t ecu