Self-diagnosis of Radio/Navigation system (RNS) with multi-function display (MFD)
Read measured value block
The self-diagnosis continually monitors the input signals and voltages required to operate the radio/navigation system.
The measured value block is divided into 4 display group numbers. The assignment of the individual display zones can be taken from the display group overview =>Page 01-30
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‒ Connect fault reader V.A.G 1551, select operating mode 1 "Rapid data transfer", switch on ignition and enter address word 56 "Radio".
After displaying the control unit identification:
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