Celica GT Liftback L4-2164cc 2.2L DOHC (5S-FE) MFI (1999)
Compressor Speed Sensor: Testing and Inspection
INSPECT COMPRESSOR LOCK SENSOR RESISTANCE
a. Disconnect the connector.
b. Measure resistance between terminals 1 and 2.
Standard resistance: 165 - 205 Ohms at 20° C (68° F)
If resistance is not as specified, replace the sensor.