New Beetle L4-2.0L (AVH) (2005)
Oil Pressure Sender: Testing and Inspection
Oil pressure and oil pressure switch, checking
Special tools, testers and auxiliary items required
^
Oil pressure tester V.A.G 1342
^
Voltage tester V.A.G 1527B
^
Adapter set V.A.G 1594A
Function of the dynamic oil pressure warning device
When not under pressure, the oil pressure switch is open and will close when the operating pressure is attained.
The oil pressure warning will be activated approx. 10 seconds after switching ignition on.
Switch-on delay of oil pressure warning: Approx. 3 seconds
Switch-off delay of oil pressure warning: Approx. 5 seconds
Checking warning light
After switching on the ignition with the 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 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.
^
"Ignition on", engine not running, oil pressure switch closed.
^
Engine revolutions above 1500 rpm, oil pressure switch open
Note:
^
At engine revolutions greater than 5000 rpm the oil pressure warning will not be triggered, even when the oil pressure switch is closed. At
engine revolutions under 5000 rpm, the oil pressure warning will go out.
^
If the oil pressure switch is open for only 0.5 to 3.0 seconds when engine revolutions are above 1500 rpm the occurrence will be stored in the