New Beetle GLS L4-1.8L Turbo (AWV) (2001)
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Disconnect 4-pin connector 2 from Charge Air Pressure Sensor -G31-.
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Connect multimeter to measure voltage using aux. cables from VAG1594 to contacts 1 (Ground) and 3 (positive) of connector for Charge Air
Pressure Sensor.
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Switch ignition on.
Specification: min. 4.5 V
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Switch ignition off.
If no voltage is present:
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Remove inner plenum chamber cover, left side.
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Connect test box VAG 1598/31 to control module wiring harness. Engine Control Module is not connected by this action.
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Check wiring between test box and connector for open circuit according to wiring diagram.
Terminal 1 + socket 108
