Identification
PR Number Allocation - Brakes
Vehicle Data Label
Which brake system is installed in the vehicle is among
other documented by the PR number on the vehicle data label.
A - Rea
Note
Cleaning the refrigerant circuit means flushing it with
refrigerant R134a. Refer to
→ Chapter "Refrigerant Circuit, Cleaning (Flushing), with
Refrigerant R134a" or blowing through with compressed
air and nitrogen. Refer to
→ Chapter "Refrigerant Circuit, Flushing with
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 lu