Acura 1994 Integra Service Manual page 272

ldle Gontrol System
Air Conditioning Signal
This signals the ECM when there is a demand for cooling from the air conditioning system.
Connect the t€st harness between
the ECM and connectors. Discon-
nect "B" connector from the main
wire harness onlv, not the ECM
{see page 11-37}.
Turn the ignition switch ON.
Measure voltage between 851+ )
lerminal and A26 l- I terrninal.
Sub.litut ! known{ood
€CM
rnd r6<tEck. ll p.lrcib.d
vottrgo
i! now avalhbla, iaplaco tho o,ig-
in.l ECM.
ls there approx. 5 V?
Turn th€ ignition switch OFF.
Reconnect "8" connector to the
main wire harness.
Turn the ignilion switch ON.
Momentarilv connect A15 termi-
nalto A26 terminsl severaltimes.
Momsntarilv connect the 8LK/
RED t€rminal of the 4P connector
on the A/C clutch rel6v to body
ground sevsral times.
ls there a clicking noise from
the A/C comDressor clutch?
3o6 rlr condhlohar in-
rDactlon llaa lac{ion
221.
ls there a clicking nois€ lrom
th€ A/C comoressor clutch?
Rop.ir opon in BLK/BED wiro be-
two.n ECM {A15} and A/C clurch
rally.
o o o o o o o o o o o o o
o o o o o o o o o o o o
o o o o o o o o
o o o o o o o o
o o o o o o o o o o o
o o o o o o o o o o o
.pprox. 5 V?
426 (- )
Cllcklng?
lTo page
11-84
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