New Beetle Convertible L5-2.5L (BPS) (2006)
Amplifier: Component Tests and General Diagnostics
Amplifier (R12) On Board Diagnostic (OBD)
Premium V/Monsoon radio systems are equipped with OBD.
Do not use Radio, Telephone and Navigation; Rep. Gr. 01 for Fault Finding.
Use the Vehicle Diagnosis, Testing and Information System (VAS 5051B) under "Guided Fault Finding".