Honda Acura NSX 1991 Service Manual page 1108

Cooling Fan Control
NOTE: Bleed air of the cooling system after installing the
coolant temperature sensor
CAUTION: Failure to comply with the bleeding proce-
dure could cause imperfect bleeding, which may result
in severe engine damage.
1 . Remove the coolant temperature sensor from the
thermostat housing.
2 . Suspend the coolant temperature sensor in a con-
tainer of coolant as shown.
THERMOMETER
23-l 22
(see section 10).
TEMPERATURE
3. Heat the coolant and check coolant temperature with
a thermometer (see table below).
4. Measure the resistance between the A and I3 termi-
nals according to the table.
Resistance
1.255 1.024
5 . If unable to obtain the above readings, replace the
temperature switch.
0.573 0.541