A4 Cabriolet L4-1.8L Turbo (AMB) (2005)
Air Bypass Valve: Testing and Inspection
With Manufacturer's Scan Tool
Turbocharger And Charge Pressure Control Valve, Checking
Special tools and repair equipment required
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Turbocharger tester VAG 1397 A
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VAS 5051 with VAS 5051/1
or
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VAG 1551 with VAG 1551/3 A
Requirements
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All hoses and lines must be securely installed and free of leaks.
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Diagnostic Trouble Code (DTC) memory has been checked
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Output Diagnostic Test Mode performed
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Vehicle Diagnostic, Testing and Information System VAS 5051 or VAG 1551 Scan Tool must be connected.
Work sequence
WARNING:
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Always attach testers and measuring instruments to back seat and have them operated from there by a second person.
-
If testers and measuring instruments were to be operated from front passenger's seat, person sitting there could suffer injury in the event
of an accident due to triggering of front passenger's airbag.