Oil Pressure Switch -F1-, Checking

Special tools and workshop equipment 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- .

-- 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.

Fig 1: Identifying V.A.G 1342 In Hole For Oil Pressure Switch In Oil Filter Bracket, Installation

Courtesy of AUDI OF AMERICA, LLC

-- 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.

• 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- .