Operation CHARM: Car repair manuals for everyone.

High Pressure Sensor / Switch: Service and Repair






High Pressure Sensor

- Remove front bumper.

- Disconnect connector - B -.





- Remove the high pressure sensor - C -, tightening torque: 5 Nm.

- Replace the O-ring seal - A - (10.8 mm; 1.8 mm) => [ Refrigerant Circuit O-Ring Seals ] Refrigerant Circuit.

• Cooling performance cannot be checked with high pressure sensor removed, A/C control head Climatronic control module does not switch on the compressor.

• The refrigerant circuit remains closed, "connection with valve ".

• Check the function of the high pressure sensor and the transmitted signal => [ Test Step 5 ] Climatronic Control Module A/C Control Head Electrical Test and => [ High Pressure Sensor Pressure Signal ] Climatronic Control Module A/C Control Head Electrical Test.