Oil Pressure Sender: Testing and Inspection
Oil Pressure Switch, Checking
Special tools, testers and auxiliary items required
• Oil Pressure Gauge (V.A.G 1342)
• Voltage Tester (V.A.G 1527 B)
• Connector Test Set (V.A.G 1594 C)
Procedure
• The oil level is OK
• The engine oil temperature is approximately 80 °C (176 °F)
- Remove the oil pressure switch. Refer to => [ Oil Pressure Switch F1 ] Service and Repair.
- Connect the oil pressure gauge (V.A.G 1342) into the opening for the oil pressure switch.
- Install the oil pressure switch - 2 - in the oil pressure gauge.
- Connect the brown wire - 1 - on the oil pressure gauge to ground (-).
- Connect the voltage tester (V.A.G 1527 B) using an adapter cable from the connector test set (V.A.G 1594 C) to the oil pressure switch and battery positive (+).
• The Light Emitting Diode (LED) must not light up.
• If the LED lights up, replace the oil pressure switch, refer to => [ Oil Pressure Switch F1 ] Service and Repair.
- Start the engine.
• While starting the engine, watch the oil pressure gauge and LED as the oil pressure switch may open during start.
• The LED must illuminate at 0.3 to 0.6 bar.
- Replace the oil pressure switch if the LED does not come on. Refer to => [ Oil Pressure Switch F1 ] Service and Repair.