Safety Precautions
Check for Technical Bulletins that may supersede any
information included in this manual.
WARNING
Failure to follow these instructions may result in
personal injury or po
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
General Information
Note
Connect the A/C service station. Refer to
→ Chapter "A/C Service Station, Connecting".
Observe the test requirements. Refer to
→ Chapter "Pressures, Checking".
- With the ignition switched off, check the pressure in the
refrigerant circuit (u
Tires, Rolling Noises, General Information
Rolling noise perceived by the human ear is caused by
vibrations transmitted from the noise source to the ear via the
air.
Here we are interested in noises created by certain
characteristics of the tires as well as the effects of rolling
(noise source).