Civic L4-1668cc 1.7L SOHC MFI (2003)
Radiator Cooling Fan Temperature Sensor / Switch: Testing and Inspection
Radiator Fan Switch Test
NOTE: Bleed air from the cooling system after installing the radiator fen switch.
1. Remove the radiator fan switch from the thermostat cover.
2. Suspend the radiator fan switch (A) in a container of water as shown.
3. Heat the water and check the temperature with a thermometer. Do not let the thermometer (B) touch the bottom of the hot container.
4. Measure the continuity between the A terminal (C) and B terminal (D) according to the table.
