Oasis LS L4-2156cc 2.2L SOHC MFI F22B6 (1997)
Evaporator Temperature Sensor / Switch: Testing and Inspection
A/C Thermostat Test
A/C THERMOSTAT
Connect battery power to the C terminal, ground the B terminal, and connect a test light between the A and B terminals.
NOTE: Use a 12 V, 3 W - 18 W test light.
Dip the A/C thermostat into a cup filled with ice water, and check the test light.
The light should go off at 36 - 39°F (2 - 4°C) or less, and should come on at 39 - 41°F (4 - 5°C) or more.
If the light doesn't come on and go off as specified, replace the A/C thermostat.
