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
Mode 07 makes it possible to check emissions-related faults
which appeared during the current or last driving cycle (pending
DTCs).
A pending DTC is saved the first time a fault is detected
(output via Mode 07).
- If the fault is detected again by the end of the following
driving cycle, a c
Introduction
Applies to: vehicles with Audi drive select
Drive select makes it possible to experience different
types of vehicle characteristics in one vehicle.
With different driving modes, the driver can switch the setting, for example
from sporty to comfortable. This allows you to adjust the se
On Board Diagnostic Systems
