Audi A4 Owners & Service Manuals

Audi A4: General, Technical data

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 Safety Precautions

Safety Precautions when Working on Vehicles with Start/Stop System There is a risk of injury due to the engine starting unexpectedly. The engine can start unexpectedly on vehicles with an activated

 Additional Safety Precautions for Airbag Control Module

  WARNING After every removal and installation of the Airbag Control Module -J234-, the "inertial sensor basic setting" must be performed. If the Airbag Control Module -J234- is replaced w

 Restraint System Pyrotechnic, Electric and Mechanical Components, Replacing After a Collision

Special tools and workshop equipment required Vehicle Diagnostic Tester The airbag control module must be replaced If the display "Control module faulty" appears after checking the DTC memory A

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 Current Draw Test

  WARNING Do not check or charge a Battery -A- when the visual indicator has "no color or is bright yellow". Jump starting must not be used! There is a risk of explosion during testing, charging or jump starting. These Batteries -A- must be replaced. Make sure the correct charging mode is

 Service Station, Connecting with Connections on Low- and High Pressure Side of Refrigerant Circuit

Servicing Station, Connecting for Measuring and Testing - Turn off the ignition. - Connect the service station to the power supply. - Connect the quick-release coupling adapter to the charging hoses of service station (handwheels not screwed in/hand shut-off valve not open). - 

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