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4x W12, 1x V8
1,298 Posts
Discussion Starter · #1 ·
Tried running an output test on the used cooling fans, that I recently bought, and ran into a problem with VCDS. I have the fans hooked up, ignition on, engine off, go into controller 01-Engine then to Output Test but when I click on Start I get the message "Requirements for Output Test not met". I checked the VCDS manual & wiki and did an online search but can't figure out what is preventing the Output Test. According to the VCDS manual it differs from car to car, some just need to controller closed and reopened to work, some need the ignition to go through an off cycle and some need the engine to be started.

I tried all of that except for starting the engine which I can't do at this time (complete front end including radiator is off the car). Does somebody know what prevents the output test or what I need to do to get it to work.


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