wiring diagram AUDI A4 1997 B5 / 1.G AFC Engine Lubrication System Components Workshop Manual
Page 10 of 15
17-9
Oil pressure and oil pressure switch,
checking
Operational test and servicing the visible and
audible oil pressure indicator:
Electrical Wiring Diagrams, Troubleshooting
Component Locations binder.
Test requirements
Oil level OK
Oil pressure warning light -K3- comes on
with ignition on
Auto-Check system indication OK, if
applicable.
Engine oil temperature approx. 80 C (176
F) and radiator coolant fan must have
switched on at least once
Checking oil pressure switch
- Disconnect harness connector from oil pressure
switch.
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