MX-3 L4-1597cc 1.6L (1992)
Evaporator Temperature Sensor / Switch: Testing and Inspection
On-Vehicle Inspection
On-vehicle Inspection
1. Remove the glove box.
2. Run the engine at idle.
3. Turn OFF the A/C switch and set the blower switch to the highest position to operate the blower fan for a few minutes.
4. After a few minutes, turn OFF the blower switch and stop the engine.
5. Disconnect the thermoswitch connector and check for continuity between terminals of the switch.
6. If not as specified, replace the thermoswitch.
Note: The thermoswitch contacts will be open if the evaporator temperature is below 0.4 ± 0.7°C {32.7 ± 1.3°F}.
