Refrigerant Temperature Sensor: Testing and Inspection
INSPECTIONA/C REFRIGERANT TEMPERATURE SWITCH
CAUTION: Do not heat more than necessary.
1. Dip the metal part of the A/C refrigerant temperature switch into engine oil and increase the oil temperature using a gas burner or similar.
2. When the oil temperature reaches the standard value, check that voltage is supplied between the terminals.
Standard value:
NOTE: When the oil temperature is 135° C (275° F) or more and there is no continuity, the resistance will not be 2 ohms or lower until the oil temperature reduces to 120° C (248° F) or less.