battery AUDI A3 2000 8L / 1.G AEB ATW Engines Lubrication System Components Workshop Manual

17-24

Oil pressure switch, checking

- Disconnect line from oil pressure switch.

Note:
While starting engine, watch pressure tester and LED as oil pressure
switch may open during start. - Remove oil pressure switch and install VAG1342 oil pressure tester.
- Install oil pressure switch into VAG1342 oil pressure tester.
- Connect brown wire -1- of tester to Ground (GND).
- Using VAG1594 adapter, connect VAG1527B voltage tester to oil
pressure switch and Battery Positive Voltage (B+).
LED must not be lit.
- If LED is lit, replace oil pressure switch.
- Start engine.
At 1.2-1.6 bar (17.4-23.2 psi) LED must be lit.
- If LED does not light, replace oil pressure switch.
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