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
Front Storage Compartment, Removing and Installing
Special tools and workshop equipment
required
Trim Removal Wedge -3409-
Removing
- Remove the center console insert. Refer to
→ Chapter "Center Console Insert, Removing and Installing".
- Pry out the edge of the storage compartm
Overview - Front Heater and A/C Unit
Note
Depending on vehicle equipment, there are different versions
of the A/C system for the Audi Q7. Make sure to use the correct
version and pay attention to the allocation of different
components. Refer to
→ Chapter "A/C System Versions" an
On Board Diagnostic Systems
