Oil Pressure And Oil Pressure Switch, Checking

WARNING: This page is about a different car, the 2010 Audi Q7, 2009 Audi Q7, 2008 Audi Q7, and 2007 Audi Q7. However, it is still accessible from the selected car via links, so may be relevant.

Special tools and workshop equipment required

Oil Pressure Gauge VAG 1342 with Adapter VAG 1342/14
Voltage Tester VAG 1527B
Connector Test Set VAG 1594C

Procedure

Oil level OK
Engine oil temperature approximately 80 °C (176 °F)

-- Remove Oil Pressure Switch -F1-. Refer to Oil Pressure Switch -F1- .

-- Connect VAG 1342 with VAG 1342/14 to hole for oil pressure switch.

Fig 1: Connecting Oil Pressure Gauge VAG 1342 To Adapter VAG 1342/14

Courtesy of AUDI OF AMERICA, LLC

-- Screw oil pressure switch -2- into VAG 1342.

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

Oil Pressure Switch, Checking

-- Connect VAG 1527 B using adapter cables from VAG 1594 C to oil pressure switch and battery plus ("+").

LED must not light up.

If LED lights up:

-- Replace Oil Pressure Switch.

-- Start engine.

NOTE:

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

The LED must illuminate at 1.2 to 1.6 bar (17.40 to 23.20).

If LED does not light up:

-- Replace Oil Pressure Switch.

Oil Pressure, Checking

-- Start engine.

Oil pressure at idle: min. 1.2 bar.
Oil pressure at 2000 RPM: min. 3.0 bar (43.51 psi).

Assembling

-- Install Oil Pressure Switch -F1-. Refer to Oil Pressure Switch -F1- .