Fan Motor Test; Thermostat Test - Honda Civic Service Manual

Cooling System
Fan Motor Test
1. Disconnect the 2P connectors from the radiator fan
motor and condenser fan motor.
Test the motor by connecting battery power to the
B t e r m i n a l a n d g r o u n d t o t h e A t e r m i n a l .
lf the motor fails to run or does not run smoothly,
r e p t a c e r L
10- 4
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Thermostat Test
Replace the thermostat if it is open at room
remperalure.
To test a closed thermostatl
1. Suspend the thermostat (A) in a container of water.
Do not let the thermometer {B) touch the bottom of
t h e h o t c o n t a i n e r .
(
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2.
3 .
Heat the water, and check the temDerature with a
thermometer. Check the temperature at which the
thermostat first opens, and at which it is fully open.
Measure the lift height of the thermostat when it is
f u l l v o o e n .
STANDARD THERMOSTAT
Lift height;
above 8.0 mm (0.31 in.)
Starts opening: 169 176"F(76 80"C)
Fully open: 194"F {90'Cl
\.