fuel AUDI A4 2002 B5 / 1.G Radio System General Information
Page 2 of 82
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After reconnecting vehicle battery on
vehicles equipped with Audi Telematics by
OnStar , switch-on the emergency (back-
up) battery for the Telematic/Telephone
Control Module. Use VAS 5051 Vehicle
Diagnostic, Testing and Information System
in mode "Guided Fault Finding" Page 91
-
119
.
Note:
Further measures after reconnecting the voltage
supply:
Repair Manual, Fuel Injection & Ignition,
Repair Group 24 Audi A4 Sedan 2002-2004, Audi A4 Avant 2002-2004, Audi A4 Cabriolet 2003-2004 - Communication