Oil Pressure Sender: Testing and Inspection

Oil Pressure and Oil Pressure Switch, Checking

Special tools, testers and auxiliary items required

• Oil pressure gauge (V.A.G 1342) with adapter (V.A.G 1342/14)

• Voltage tester (V.A.G 1527 B)

• Connector test set (V.A.G 1594 C)

Test Conditions

• Oil level OK

• Engine oil temperature approximately 90 °C.

Test Sequence

- Remove oil pressure switch. Refer to => [ Oil Pressure Switch ] Service and Repair.

- Connect oil pressure tester (V.A.G 1342) with adapter (V.A.G 1342/14) to hole for oil pressure switch.

- Screw oil pressure switch - 2 - into oil pressure gauge (V.A.G 1342).





- Place brown wire of oil pressure gauge on Ground (GND).

Oil Pressure Switch, Checking

- Connect voltage tester (V.A.G 1527 B ) - 1 - with adapter cables from connector test kit (V.A.G 1594 C) to oil pressure switch and battery positive ("+").

• LED must not light up.

If LED lights up:

- Replace Oil Pressure Switch.

- Start engine.

• While starting engine, watch Pressure Tester and LED as oil pressure switch may open during start.

• At 1.2 to 1.6 bar pressure, the LED must light up.

If LED does not light up:

- Replace Oil Pressure Switch.

Oil Pressure, Checking

- Start engine.

• Oil pressure at 2000 RPM: min. 2.0 bar

• Oil pressure at 3500 RPM: min. 3.5 bar

Assembling

Assembly is in reverse order of removal, note the following:

- Install oil pressure switch. Refer to => [ Oil Pressure Switch ] Service and Repair.