TT L4-1.8L Turbo (BEA) (2004)
Turbo Boost Sensor: Testing and Inspection
With Generic Scan Tool
Charge Air Pressure Sensor, Checking
Recommended special tools and equipment e.g.:
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VAG1526 multimeter or VAG1715 multimeter
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VAG1594 connector test kit
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Wiring diagram
Checking voltage supply and wiring to control module
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Switch ignition off.
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Disconnect connector at charge air pressure sensor.
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Use adapter cables from VAG1594 to connect multimeter to terminals 1 + 3 of connector for voltage measurement.
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Switch ignition on.
Specified value: at least 4.5 V
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Switch ignition off.
If specified value is not obtained:
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Connect VAG1598/31 test box to control module wiring harness. Engine Control Module (ECM) is not connected.
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Check for open circuits in wires between test box and connector according to wiring diagram.
Terminal 1 + socket 108