S6 V8-4.2L (BBD) (2004)
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Engine Oil Pressure: Testing and Inspection
Oil pressure switches and oil pressure, checking
Oil pressure switches, checking
Oil pressure indicator with audible and visible warning
Read measured value block.
Test requirements
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Measured value block OK.
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Oil level OK.
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Oil pressure warning lamp (K3) should light up when ignition is switched on.
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On vehicles with auto-check system, "OK" should appear in the display (call up symbol).
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Engine oil temperature about 80° C (176° F). Radiator fan must have started at least once.
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Remove engine cover panel.
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Remove upper section of air cleaner and set aside.
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Remove lower section of air cleaner.
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Remove oil pressure switch and install adapter VAG 1342/3 in its place.
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Install VAG 1342 into adapter VAG 1342/3.
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Install oil pressure switch into VAG 1342.
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Connect brown wire -2- to Ground (GND).
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Connect blue wire -1- to oil pressure switch.
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Connect diode test light VAG 1527 to wire -1 and battery (+).
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Install lower section of air cleaner.
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Install upper section of air cleaner.
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Start engine and test switching points of switch by varying engine speed as required.
Oil Pressure At Idling Speed 1 - 2.5 bar
Oil Pressure At 3000 rpm 3 - 5 bar
Note:
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Brown oil pressure switch (0.3 bar) should open at 0.15 to 0.45 bar.
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White oil pressure switch (1.8 bar) should close at 1.6 to 2.0 bar.
Oil pressure, checking
