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:
Outer Second Row Rear Three-Point Seat Belt, Removing and Installing
Removing
- Remove the rear belt anchor. Refer to
→ Chapter "Rear Outer Belt End Fitting, Removing and Installing".
- Remove the C-pillar trim panel and guide out the seat belt
webbing. Refer to
→ Chapter
Assembly Sequence
- Fold the valve -1- downward
-arrow A toward B-.
- Slide the valve with the wheel electronics attached through
the valve opening in the rim.
- Rotate the union nut -2- three
turns on the valve -1-.
- Tighten the union nut -2- until
the bar breaks with an au