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:
Lower Transverse Link, Removing and Installing, FWD Vehicles
Special tools and workshop equipment
required
Torque Wrench 1332 40-200Nm -VAG1332-
Removing
- Measure dimension from center of wheel to lower edge of
wheel housing. Refer to
→ Chapter "Wheel Bearing in Curb Weig
Dryer Bag/Dryer Cartridge, Removing and Installing
WARNING
Danger due to refrigerant coming out under pressure.
Danger of frost bite to skin and other parts of the
body.
Extract the refrigerant and immediately open the
refrigerant circuit after that.
If the refrigerant was ext