Integra LS Coupe L4-1834cc 1.8L DOHC MFI (1997)
Coolant Temperature Sensor / Switch HVAC: Testing and Inspection
Engine Coolant Temperature (ECT) Switch Test
ENGINE COOLANT TEMPERATURE SWITCH (ECT) / TEST
NOTE: Bleed air from the cooling system after installing the engine coolant temperature (ECT) switch.
1. Remove the ECT switch from the thermostat housing.
2. Suspend the ECT switch in a container of coolant as shown.
3. Heat the coolant and check engine coolant temperature with a thermometer.
4. Check the continuity between the A and B terminals according to the table:
