1. Disconnect the negative battery cable..
2. Discharge the refrigerant..
3. Disconnect the refrigerant pressure sensor connector.
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.
4. Loosen the refrigerant pressure sensor using two spanners.
5. Remove the refrigerant pressure sensor..

10—11 N·m {102—112 kgf·cm, 89—97 in·lbf}
6. Install in the reverse order of removal.
7. Perform the refrigerant system performance test..
Refrigerant Pressure Sensor Installation Note
1. Apply compressor oil to the O-rings and connect the joints.
Refrigerant Pressure Sensor Removal/Installation [Full Auto Air Conditioner]
Engine AssemblyIdentification Number Locations
Vehicle Identification Number (VIN)
Engine Type/Number
MZR 2.0, MZR 2.5
MZR 2.3 DISI Turbo
SKYACTIV-G 2.0
...
Outside Temperature Display
When the ignition is switched ON, the
outside temperature is displayed.
NOTE
Under the following conditions, the
outside temperature display may differ
from the actual outside temperature
depending on the surroundings and vehicle
conditions:
Significantly cold or hot
temperatures.
...
Child-Restraint Precautions
Mazda strongly urges the use of child-restraint systems for children small
enough to use
them.
You are required by law to use a child-restraint system for children in the U.S.
and Canada.
Check your local and state or provincial laws for specific requirements
regarding the safety
of ch ...