Golf L4-1781cc 1.8L SOHC (RV) (1990)
Oil Pressure Warning Lamp/Indicator: Testing and Inspection
Dynamic Oil Pressure Warning System, Troubleshooting
Note: Always refer to appropriate wiring diagram.
Test conditions
^
engine oil level OK
^
tachometer, oil pressure switches OK
Tools required
^ Multimeter Fluke 83 (US 1119)
^ test box V.A.G 1598 with adaptor 1598/8
System operation
Ignition ON, engine OFF
^ warning LED in instrument cluster flashes IF oil pressure switch 0.3 bar (4.4 psi) (F22) OK
Ignition ON, engine at idle
^ warning LED in instrument cluster flashes when oil pressure drops below 0.3 bar (4.4 psi) (F22)
Ignition ON, engine speed over 2050 RPM
^ LED flashes at oil pressure below 1.8 bar (25.0 psi) (F1)
^ audio warning sounds after approximately 3.0 second delay
^ audio/visual warning continues until oil pressure increases to 1.8.bar (25.0 psi) (F1) or ignition is turned off
^ RPM tolerance ± 100