Acura 1994 Integra Service Manual page 1087

Diode
Test
NOTE: The diode is designed to pass current in one
direction while blocking it in the opposite direction.
U s e a n a n a l o g o h m m e t e r , o r a d i g i t a l o h m m e t e r
equipped with a diode tester.
Check for current flow in both directions between the A
and B. and B and C terminals. There should be current
flow in onlv one direction.
A/C Switch
Test
NOTE: The Ay'C switch contains a diode. Use an analog
ohmmeter, or a digital ohmmeter equipped with a diode
tester.
Check for current flow in both directions between termi
nals 11 and 12. There should be current flow in only one
direction.
Terminal
Position
1 1
O N
o
OFF
22-20