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Is there any way of telling what these pins actually are? Ive got a scope I can hook up to it.
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You can check that they are actually "CAN" pins by getting your multimeter out and checking what voltage you get from Pin 6 to 4/5 (ground), and PIN 14 to ground
CAN will be a balanced 2.5V line (so it'll go 2.5/2.6 on one side and 2.4 the other).
The K-Line pin could be there for either - Obsolete or for other ECUs.
An ELM327 scanner could help determine which protocol is in use.