Originally posted by austang
View Post
Here's a section of the wiring diagram for the Rear View Camera (RVC) on a mk7 - VW calls the RVC "R189":

Looks complicated - I agree, but the only part of the diagram that is important for this response is the bit that I have circled in red. J519 is the Body Control Module (BCM) which is the central module that co-ordinates virtually all of the convenience functions in the car.
Notice that the black/blue (Schwarz/blau in German) wire is connected to PIN #64, Socket A on the BCM ("/64" means PIN #64 and "a" in "T73a" means " Socket A" - "T73" means that the connector has a total of 73 pins). Also notice that the other end of the black/blue wire is (eventually) connected to the RVC.
So - I'm not sure if you are familiar with the way that lamps are controlled in a mk7, but they use a system called "Leuchte channels". The Leuchte channel for the right-side reversing light is Leuchte29RFL RA64. The A64 in the descriptor means that the RHS reversing light is connected to PIN #64, Socket A on the BCM - yes, the same wire as in my diagram above.
This means that the RVC is energised whenever the right side reversing light is illuminated. The actual reversing switch (which is physically embedded in the gear-box) is connected directly to the BCM (PIN #11, Socket B) and the BCM senses the condition of this switch to turn-on the reversing lights
So - the next time that you get the "Park pilot is not available" message and the RVC doesn't switch-on, have a look at the state of the right-side reversing light. If it isn't illuminated, then this could be the problem (just a suggestion)
Don
Comment