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:
Suspension
1: Front/rear track width, applies only to
215/65/R16 standard tires on 6.5Jx16 ET33 rims.
Steering
Tire Types
General information on wheel/tire combinations, winter tires, snow chain,
recommended tire manufacturers:
→ Wheels and Tire;
Tire Pressure Monitoring
Overview - Lane Change Assistance
1 - Lane Change Assistance Button -E530-
Removing and installing. Refer to
→ Chapter "Lane Change Assistance Button -E530-, Removing and
Installing".
2 - Lane Change Assistance Warning Lamp In Driver Exterior Rearview
Mirro