nsxb23120a.pdf

Radiator and Condenser Fan Controls
Radiator Fan Control Sensor Test
NOTE: Bleed air from the cooling system after install-
ing the radiator fan control sensor (see section 10).
1. Remove the radiator fan control sensor from the
thermostat cover.
2. Suspend the radiator fan control sensor in a con-
tainer of coolant as shown.
THERMOMETER
RADIATOR FAN
CONTROL SENSOR
ENGINE
OIL
3. Heat the coolant, and check coolant temperature
with a thermometer (see table below).
4. Measure the resistance between the A and B ter-
minals according to the table.
5. If unable to obtain the above readings, replace the
radiator fan control sensor.