Audi Q7: Transmission Control
Component Location Overview - Transmission Control
Data Link Connector
Component location: the data link connector for the Vehicle
Diagnostic Tester is located in the footwell on the driver side.
AWD Control Module -J492- in the A4
Component location: the AWD Control Module -J492--1-
is in the luggage compartment in the center in front of the
spare wheel well.
All Wheel Drive Control Module -J492-, Removing and Installing
- AWD Control Module -J492- component location. Refer to
→ Chapter "Component Location Overview - Transmission Control".
- Removing and installing is on the A4 Sedan.
- The ignition is off.
- Remove the luggage compartment floor covering.
- Remove the AWD Control Module -J492--1-
from the bracket.
- Disconnect the connector -A-
from the AWD Control Module -J492-.
- Install the AWD Control Module -J492- in reverse order of
removal.
- If the AWD Control Module -J492- was replaced then
additional work is necessary. Refer to
→ Chapter "AWD Control Module -J492-, Additional Work after
Replacing".
AWD Control Module -J492-, Additional Work after Replacing
- Only perform the additional work only if the AWD Control
Module -J492- was replaced.
- Connect the Vehicle Diagnostic Tester and turn on the
ignition.
- Select the function 22 - AWD Electronics
in the vehicle diagnostic tester under
Guided Functions in the directory 22-
Replacing Control Module.
- Follow all the instructions given by the Vehicle Diagnostic
Tester exactly.
With the vehicle diagnostic tester the installed rear final
drive is "adapted" on the AWD Control Module -J492-.
- A system check will take place when the
22 - Control Module, Replacing function is complete. If
malfunctions appear, then use "Guided Fault Finding" to correct
them.
READ NEXT:
Special tools and workshop equipment
required
Seal Installer - Flange Shaft -T10049-
Puller - Unit Injector -T10055-
Counterhold - Kit - Multiple Use -T10172-
Counterhold - Kit - Adapters
SEE MORE:
Overview - Underbody Trim Panels
1 - Nut
2.5 Nm
Quantity: 2
2 - Bolt
2.5 Nm
Quantity: 4
3 - Bolt
6 Nm
4 - Front Underbody Panel
There are different versions. Refer to the Parts Catalog.
Removing and Installing. Refer to
→ Chapter "Under
Overview - Instrument Panel Central Tube
1 - Bolt
20 Nm
Quantity: 1 on the left and right side
Caution
There is a risk of malfunctions do to a faulty ground
connection.
The counter threaded and contact surface must be free of
paint, coating, and corrosion, the threaded con