New Beetle L4-1.8L Turbo (AWP) (2003)
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Engine Oil Pressure: Testing and Inspection
Oil pressure and oil pressure switch, checking
Special tools and equipment
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VAG1342 Oil pressure tester
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VAG1527B LED test light
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VAG1594A Adapter set
Function of the dynamic oil pressure warning indicator
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When not under pressure, the oil pressure switch is open and will close when the operating pressure is attained.
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The oil pressure warning will be activated approximately 10 seconds after switching the ignition on.
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Switch-in delay of oil pressure warning: approximately 3 seconds.
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Switch-off delay of oil pressure warning: approximately 5 seconds.
Note: Functional check and servicing the optical and acoustic oil pressure warning:
Refer to Electrical Wiring Diagrams, Troubleshooting & Component Locations
Checking warning lamp
After switching on the ignition without engine started, the oil pressure warning lamp in instrument cluster must light for approximately 3 seconds and
then go out. The test will be terminated if the engine is running.
Criteria for warning
Switching on the optical oil pressure warning (the oil pressure warning lamp flashes) and the buzzer sounding three times for the acoustical warning
will occur under one of the following conditions:
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"Ignition on," engine stationary, oil pressure switch closed
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Engine speed above 1500 RPM, oil pressure switch open
Note:
