Verification conditions
Engine oil temperature must be at least 80°C (The cooling fan must run at least once).
On vehicles with automatic transmission, move the selector to «R» or «N».
Work order
Remove the oil pressure switch F1 and screw it into the pressure gauge.
Screw the pressure gauge VAG 1342 with adapter VAG 1342/14 instead of the oil pressure sensor into the oil filter holder (pic. 2.259).
NOTE: Observe the installation position of the adapter VAG 1342/14: the conical connector of the adapter is connected to the pressure hose of the pressure gauge VAG 1342.
Attach the brown wire of the oil pressure gauge VA G 1342 to the ground (-).
Connect the voltage tester VAG 1527V using auxiliary wires from the set of auxiliary measuring instruments VAG 1594 C to the positive terminal of the battery (+) and oil pressure sensor F1. The tester LED should not light up.
If the LED lights up, replace the oil pressure switch F1.
If the LED does not light up, start the engine and let it idle.
At an overpressure of 1.2-1.6 bar, the LED should light up, otherwise replace the oil pressure switch F1.
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