Oil Pressure Sender: Testing and Inspection

Oil pressure and oil pressure switch, checking

Note: For the functional check and servicing of the optical and acoustic oil pressure warning Refer to "Electrical Wiring Diagrams, Troubleshooting & Component Locations".





Test sequence
^ Remove oil pressure switch -F1- and install in tester.
^ Install tester into oil pan in place of oil pressure switch.
^ Connect brown wire of tester to Ground (GND).
^ Using auxiliary cables from VW1594, connect VAG1 527B voltage tester to oil pressure switch and Battery (+).
^ Start engine and slowly increase engine speed (RPM).
At 1.2 - 1.6 bar pressure LED must light up.
^ If not, replace oil pressure switch.
^ Increase engine speed (RPM) further.
^ At 2000 rpm and an oil temperature of 80°C, oil pressure must be at least 2.0 bar.