A4 Cabriolet L4-1.8L Turbo (AMB) (2005)
Intake Air Control Valve: Testing and Inspection
With Manufacturer's Scan Tool
Recirculating Valve For Turbocharger -N249-, Checking
Special tools and equipment
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VAG 1526 A Multimeter or equivalent
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VAG 1527 B Voltage tester
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VAG 1594 A Connector test set
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VAG 1598/31 Adapter
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VAS 5051 Vehicle Diagnostic, Testing and Information System VAS 5051 with VAS 5051/1
or
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VAG 1551 Scan Tool with VAG 1551/3 A
Requirement
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Vehicle Diagnostic, Testing and Information System VAS 5051 or VAG 1551 Scan Tool must be connected.
Work sequence
NOTE: The Recirculating valve for turbocharger -N249- and its wiring are monitored by the engine control module.
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Read DTC memory of engine control module.
If display shows a DTC relating to Recirculating valve for turbocharger -N249-: