Oil Pressure Sender: Testing and Inspection
Oil Pressure Switch (F1), Checking
Special tools, testers and auxiliary items required
• Oil Pressure Gauge (V.A.G 1342)
• Voltage Tester (V.A.G 1527B)
• Connector Test Set (V.A.G 1594C)
Procedure
• Oil level OK
• Engine oil temperature approximately 80 °C (176 °F).
- Remove oil pressure switch. Refer to => [ Oil Pressure Switch (F1) ] Service and Repair.
- Install the oil pressure switch in the (V.A.G 1342).
- Install the (V.A.G 1342) in the hole for the oil pressure switch in the oil filter bracket.
- Connect the (V.A.G 1527B) to the battery positive and an oil pressure switch connection with lines from the (V.A.G 1594C).
- Connect the second oil pressure switch connection to ground.
• LED must not light up.
- If the LED lights up with the engine at standstill, replace oil pressure switch.
- Start the engine.
• Watch the oil pressure gauge and LED when starting the engine because the oil pressure switch switching point may be exceeded when starting.
• The LED must illuminate at 1.2 to 1.6 bar.
- If the LED does not light up, replace oil pressure switch.
- Install oil pressure switch. Refer to => [ Oil Pressure Switch (F1) ] Service and Repair.