Passat Sedan V6-3.6L (BLV) (2008)
Engine Oil Pressure: Testing and Inspection
Oil Pressure Switch and Pressure, Checking
Special tools, testers and auxiliary items required
‹› Oil Pressure Gauge (V.A.G 1342)
‹› Adapter (V.A.G 1342/14)
‹› Voltage Tester (V.A.G 1527 B)
‹› Connector Test Set (V.A.G 1594C)
‹› Function test and servicing the optical and acoustic oil pressure indicator.
‹› Engine oil level OK, checking, refer to => [ Engine Oil ] See: Engine Oil/Description and Operation.
‹› Engine oil temperature at least 80 °C (176 °F) (radiator fan must start up once).
‹› Selector lever must be in the "P" or "N" position.
Oil Pressure Switch, Checking
Remove the noise insulation.
Remove the plug - item 8 -=> [ Plug ] See: Oil Filter Housing/Service and Repair from the oil filter housing.
Install the plug to the oil pressure switch test hole on the (V.A.G 1342).
Install the (V.A.G 1342) with (V.A.G 1342/14) into the oil filter housing in place of the plug.
‹› Pay attention to the installed position of the adapter: the cone-shaped connection on the adapter is attached to the tester pressure hose.
Connect the brown wire on the tester to ground (-).
Connect the (V.A.G 1527B) to the battery positive terminal (connection in engine compartment - arrow -) and the oil pressure switch using
adapter cables from (V.A.G 1594C). Light Emitting Diode (LED) must not light up.
If the LED lights up:
Replace the oil pressure switch (F1) - item 2 -=> [ ] See: Oil Filter Housing/Service and Repair.
If the LED does not light up: