Precis L4-1468cc 1.5L SOHC (1993)
Coolant Temperature Sensor / Switch HVAC: Testing and Inspection
COMPONENT TEST
Air Conditioner Control Circuit
The engine coolant temperature switch, is located in the thermostat housing. To test the switch proceed as follows.
NOTE: Use engine oil for this test and be sure to stir well while heating. Do not heat more than necessary.
1. Disconnect the harness connector and remove the switch.