TT Coupe L4-1.8L Turbo (AWP) (2005)
Turbo Boost Sensor: Testing and Inspection
Charge Air Pressure Sensor, Checking
Charge Air Pressure Sensor, Checking
Recommended Special Tools, Workshop Equipment, Testers, Measuring Instruments and Auxiliary Items
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V.A.G 1526 portable multimeter or V.A.G 1715 multimeter
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Adapter set V.A.G 1594
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Wiring diagram
Voltage Supply and Wiring to Control Module, Checking
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Switch off ignition.
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Disconnect connector at Charge Air Pressure Sensor.
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Use adapter cables from (V.A.G 1594) to connect multimeter to terminals 1 + 3 of connector for voltage measurement.
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Switch ignition on.
Specification: at least 4.5 V
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Switch off ignition.
If specified value is not obtained, check wire connections to ECM.
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Connect V.A.G 1598/31 test box to control module wiring harness. See: Computers and Control Systems/Testing and Inspection/Component
Tests and General Diagnostics/Test Box, Connecting For Wiring Test The engine control module remains disconnected.
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Check wiring harness between test box and connector for open circuit according to wiring diagram.
Terminal 1 + Socket 108
Terminal 3 + Socket 98
Terminal 4 + Socket 101