Jetta L4-1.8L Turbo (AWP) (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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Disconnect 4-pin connector -2- from Charge Air Pressure Sensor -G31- (-1-).
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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 there is no voltage:
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Connect test box to control module wiring harness, connect test box for wiring test. See: Computers and Control Systems/Testing and
Inspection/Reading and Clearing Diagnostic Trouble Codes/Scan Tool Connecting/With Generic Scan Tool/Test Box, Connecting For Wiring
Test