Honda Civic 1998 Service Manual page 1078

A/C Thermostat
Relay
Test
Connect battery power to the No. 3 terminal, ground the
No. 2 terminal, and connect a test light between the No. 1
and No. 3 terminals.
NOTE: Use a 12 V, 3 W - 18 W test tight.
Dip the !y'C thermostat into a cup filled with ice water, and
check the test light.
Serpentine 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.
Laminate 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"Cl 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 Ay'C thermostat.
1 2 v , 3 w - 1 8 W
\ 1 \
Test
There should be continuity between the No. 1 and No.3
terminals when power and ground are connected to the
No. 2 and No. 4 terminals, and there should be no conti-
nuity when power is disconnected.
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