Audi Q3: Vehicle Diagnosis, Testing and Information Systems
WARNING
- During road tests using a vehicle diagnostic and
information system, there is the hazard of extreme to
lethal injuries!
- If vehicle diagnostic and information system is
deposited in the action area of an airbag during a road
test, here is the hazard of extreme to lethal injuries
in the event the airbag deploys!
- During road tests, have a person sitting in the rear
seat to operate the vehicle diagnostic and information
system.
Audi TT and Audi R8
WARNING
- During road tests using a Vehicle Diagnostic Tester,
there is the hazard of extreme to lethal injuries!
- If vehicle diagnostic and information system is
deposited in the action area of an airbag during a road
test, here is the hazard of extreme to lethal injuries
in the event the airbag deploys!
- During road tests, have a person sitting in the
front passenger seat in the rearmost position to operate
the Vehicle Diagnostic Tester.
- The Vehicle Diagnostic Tester-1-
must lie flat on the passenger's legs and be operated by
that person, as shown in the illustration.
- Connect the Vehicle Diagnostic Tester. Refer to
→ Chapter "Vehicle Diagnostic Tester, Connecting".

Vehicle Diagnostic Tester, Connecting
Special tools and workshop equipment
required
- Vehicle Diagnostic Tester and diagnostic cable
Procedure
- Engage the parking brake or operate the electromechanical
parking brake.
- Shift the shifter lever into neutral or place the selector
lever in the "P" position.
- Turn off the ignition and connect the Vehicle Diagnostic
Tester to the Data Link Connector (DLC) with the diagnostic
cable -arrow-.
- When using the Remote Diagnosis Head -VAS5054A- or the
Diagnosis Interface -VAS5055- pay attention to the Operating
Instructions.
- Turn on the ignition.
- Turn off all electrical consumers.
Note
If a error message appears on the screen of the Vehicle
Diagnostic Tester. Refer to the Operating Instructions.

READ NEXT:
Caution
When disconnecting and connecting battery, the
procedure must be followed as described in the Repair
Manual.
WARNING
Some tools are supplied with a tool safety clip,
Wiring Harness Repair Set -VAS1978-
The Wiring Harness Repair Set -VAS1978- makes optimal repair
quality possible in the realm of vehicle electronics. Using the
tools, repairs affecting harness c
Crimping Pliers with Insert
The Crimping Pliers without Insert -VAS1978/1- with Crimping
Pliers - Insert 2 -VAS1978/2- is a component of the Wiring
Harness Repair Set -VAS1978- and is used to cri
SEE MORE:
Introduction
Only use a trailer hitch with a removable ball
hitch mount and ball hitch. The trailer hitch must
be permitted for the vehicle, the trailer and the
permitted total weight of the trailer being
pulled. Above all, it must be securely and safely
attached to the vehicle trailer.
Never mount
Description
Applies to: vehicles with traffic light information
Fig. 93 Instrument cluster: traffic light information display
The traffic light information gives you a speed
recommendation in order to reach the next traffic
light when it is green 1, or it informs you of
the wait time at the next re