Refrigerant Pressure Sensor No. 1: Notes

WARNING: This page is about a different car, the 2020 Mazda CX-30. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

The refrigerant pressure sensor No. 1 is located in the cooler pipe.

Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION (US) .)
Discharge the refrigerant. (See REFRIGERANT RECOVERY .) (See REFRIGERANT CHARGING (US) .)
Remove the plug hole plate (See PLUG HOLE PLATE REMOVAL/INSTALLATION [SKYACTIV-G (VIN L (US))] .) (See PLUG HOLE PLATE REMOVAL/INSTALLATION [SKYACTIV-G (VIN M (US))] .)
Remove the cooler pipe. (See REFRIGERANT LINE REMOVAL/INSTALLATION [SKYACTIV-G] .)
Loosen the refrigerant pressure sensor using two spanners.

Fig 1: Refrigerant Pressure Sensor With Torque Specification
Courtesy of MAZDA MOTORS CORP.
Remove the refrigerant pressure sensor.

Courtesy of MAZDA MOTORS CORP.
CAUTION:
- If moisture or foreign material enters the refrigeration cycle, cooling ability will be lowered and abnormal noise will occur. Always immediately plug all open fittings after removing any refrigeration cycle parts to keep moisture or foreign material out of the cycle.
Install in the reverse order of removal. (See REFRIGERANT PRESSURE SENSOR INSTALLATION NOTE .)
Perform the refrigerant system performance test. (See REFRIGERANT SYSTEM PERFORMANCE TEST (US) .)