Honda Civic Service Manual page 1447

A/C Thermostat
Relays
Test
1 .
Remove the Ay'C thermostat (see page 22-29).
Connect baftery power to the No. 3 terminal, ground
the No. 2 terminal, and connect a test light between
the No. 1 and No. 3 terminals.
N O T E r U s e a 1 2 V , 3 W - l 8 W t e s t l i g h t .
Dip the IVC thermostat into a cup filled with ice water,
and check the test light.
Serp6ntine-type evaporator
The light should go off at 36 - 39'F {2 - 4"C} or less, and
should come on at 39 - 41"F (4 - 5"C) or more
Laminale-type evaporator
The light should go off at 39 - 43'F (4 - 6'C) or less, and
should come on at 43 - 45"F (6 - 7'C) or more
l f t h e l i g h t d o e s n ' t c o m e o n a n d g o o f f a s s p e c i f i e d ,
replace the PVC thermostat.
1 2 V , 3 W - 1 8 W
Test
There should be continuity between the No, 1 and No.2
terminals when power and ground are connected to the
No.3 and No. 4 terminals, and there should be no conti-
nuitv when Dower is disconnected.
2
Condenser fan relay
Compressor clutch relay
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a
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b
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