Refrigerant Pressure Sensor / Switch: Testing and Inspection

ON-VEHICLE INSPECTION

1. INSPECT A/C PRESSURE SENSOR
a. Install the manifold gauge set.
b. Disconnect the connector from the A/C pressure sensor.




c. Connect the three 1.5 V dry cell batteries' positive (+) lead to terminal 3 and the negative (-) lead to terminal 1.
d. Connect the voltmeter's positive (+) lead to terminal 2 and the negative (-) lead to terminal 1.




e. Measure the voltage according to the value(s) in the table.

If the result is not as specified, replace the A/C pressure sensor.