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
Applies to: vehicles with Audi adaptive cruise control and efficiency
assist
Fig. 111 Instrument cluster: speedometer: predictive control display
With predictive control, efficiency assist adapts the set speed in adaptive
cruise control (1) based on detected speed
limits and the upcoming route. O
Special tools and workshop equipment
required
Clutch Module Puller -T40301-
Clutch Module Centering Device -T40302-
Test Adapter For Compressor Module -VAS6909A-
Caution
This procedure contains mandatory replaceable parts.
Refer to component overview prior to starting procedure.
Mand
On Board Diagnostic Systems
