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
1 - Clamp
Replace after removing
Tensioning. Refer to
→ Chapter "Clamp on Triple Roller Joint and Outer Joint, Tensioning".
2 - CV Boot
If the drive axle has a peened triple roller joint AAR 3300 i, then
the triple roller joint has an adapter installed
Protective
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" and Parts Catalog.
1 - Instrum
On Board Diagnostic Systems
