MX-5 Miata L4-1597cc 1.6L DOHC (1992)
Radiator Cooling Fan Motor: Testing and Inspection
System Test
System Inspection
1. Jump across the fan test (TFA) terminal and the ground (GND) terminal of the diagnosis connector.
2. Turn the ignition switch ON and verify that the fan operates. If the fan does not operate, inspect the cooling fan system components and wire
harness.
3. Remove the radiator cap and place thermometer in the radiator fill neck.
4. Start the engine
5. Verify that the fan operates when the coolant temperature reaches approx. 97 c. (207 f.) If the fan does not operate, check the water thermoswitch.
