Operation CHARM: Car repair manuals for everyone.

High Pressure Sensor / Switch: Service and Repair






Refrigerant Circuit

High Pressure Sensor

- Remove the radiator grille.

- Disconnect connector - A -.





- Remove the High Pressure Sensor (G65) - B - (tightening specification: 5 Nm).

- Replace O-ring-seal - C - (10.8 mm, 1.8 mm). Refer to=> [ Refrigerant Circuit O-Ring Seals ] Refrigerant Circuit O-Ring Seals.

• Cooling performance cannot be checked with High Pressure Sensor (G65) removed, front A/C control head Climatronic Control Module (J255) does not switch on the compressor.

• There are different versions of the High Pressure Sensor (G65) different signals so make sure the allocation is correct. .

• Refrigerant circuit remains closed connection with valve.

• Checking function of High Pressure Sensor (G65) and signal sent. Refer to => [ High Pressure Sensor, Checking Signal ] High Pressure Sensor, Checking Signal.

• Lubricate O-ring seal lightly with refrigerant oil before installing. Refer to => [ Refrigerant Circuit O-Ring Seals ] Refrigerant Circuit O-Ring Seals.