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
Tower Brace Additional Reinforcement, Removing and Installing, Q7
without High-Voltage System
Special tools and workshop equipment
required
Pry Lever -80-200-
Torque Wrench 1331 5-50Nm -VAG1331-
Removing
- Remove the plenum chamber cover. Refer to
→ Body Exterior; Rep. Gr.50;&
General Information
Indicators on pressure gauge
1 - Temperature scale for refrigerant R134a CF3-CH2F or
CH2F-CF3.
2 - Pressure scale
Note
Pressure is measured in different units: 1 MPa (145 psi)
corresponds to 10 bar (145 psi) positive pressure. 1 bar (14.5
psi) abso
On Board Diagnostic Systems
