New Beetle L4-1.8L Turbo (AWV) (2005)
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Oil Pressure Sender: Testing and Inspection
Oil pressure and oil pressure switch, checking
Special tools, testers and auxiliary items required
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Oil pressure tester V.A.G 1342
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Diode test lamp V.A.G 1527 B
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Adapter set V.A.G 1594 A
Function of the dynamic oil pressure warning indicator
When not under pressure, the oil pressure switch is open and will close when the operating pressure is attained.
The oil pressure warning is activated approx. 10 seconds after switching the ignition on.
Switch-on delay of oil pressure warning approx. 3 seconds.
Switch-off delay of oil pressure warning approx. 5 seconds.
Checking warning lamp
After switching on the ignition and engine not started, the oil pressure warning lamp in the instrument cluster must light-up for approx. 3 seconds and
then go out. The test will be terminated if the engine is running.
Criteria for warning
Switching on of 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 not running, oil pressure switch closed.
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Engine speed higher than 1500 rpm, oil pressure switch open
Note:
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If the oil pressure switch is closed, the warning lamp will remain switched on if the engine speed is above 5000 RPM. The warning lamp will be
switched off again if the engine speed is below 5000 RPM..
