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
Tire Sealant
WARNING
If tire sealant was used, then the wheel electronics
on that particular wheel must be replaced.
Audi vehicles have either a spare wheel or a wheel repair
kit, depending on equipment.
The wheel repair kit is located in the luggage compartment,
where the spare tire w
On Board Diagnostic Systems
