A4 V6-3.0L (AVK) (2004)
Test requirements:
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Oil level OK
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Engine oil temperature approximately 80°C.
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With ignition on, Oil Pressure Warning Light -K3 must be lit.
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For vehicles with Auto Check System, "OK" indicator must be lit (call up symbol).
Oil pressure switch, checking
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For vehicles with auxiliary heater, remove bolts (arrows) for exhaust pipe of parking heater/auxiliary heater on noise insulation.
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Remove bolts or quick-release screws -1- and -2- and remove front noise insulation.
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Disconnect electrical harness connector at oil pressure switch (arrow).
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Unbolt oil pressure switch and install VAG1342 oil pressure tester.
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Install oil pressure switch -2- on VAG 1342.
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Connect brown wire -1- of tester to Ground (GND).
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Using VAG1 594A connect test kit, connect VAG1 527B voltage tester to oil pressure switch and Battery (+).