On Board Diagnostics, or OBD, is an automotive term
referring to a vehicle's self-diagnostic and reporting
capability. OBD systems give the vehicle owner or repair
technician access to the status o
The electronic throttle control (ETC) system consists of the
accelerator-pedal module, the engine control module (ECM), and
the electronic throttle body. The electronic throttle body
mainly consist
Ignition
A spark ignition (SI) engine requires a spark to initiate
combustion in the combustion chamber. Voltage is supplied to the
spark plug where the electricity will arc across a gap at a
volta
USB adapter
Fig. 157 Audi Genuine Accessories: USB adapter
You can connect your mobile devices through the
Audi music interface to the MMI using the USB
adapter and charge the battery at the same time.
You can purchase the USB adapter cable from an
authorized Audi dealer or at specialty stores:
On Board Diagnostic Systems
