Acura 1994 Integra Service Manual page 1084

Troubleshooting
Remove the heater control Panel
(see page 21 25)
D i s c o n n e c t t h e h e a t e r c o n t r o l
panel 14P connector'
Turn the ignition switch ON (lI).
Measure the voltage between the
B L U / R E D w i r e t e r m i n a l ( + ) a n d
body ground { }
Rop.i. opon in tho BLU/BED wir.
b.twoon tha A/C thermort.t lnd
the haat.r control Panal
Turn the ignition switch OFF.
ls the A/C switch OK?
Check for continuitY in the GRN
wire between the heater control
panel and the heater fan switch
R.prir op.n in the GRN wiro be'
twoen thc hartet contlol Panal
and tho h.rtor fln switch.
Check for continuity in the BLK
w i r e b e t w e e n t h e h e a t e r { a n
switch and body ground.
Chock fol an opon in the BLK
wi.a b.tween th. hotte. hn
lwitch tnd bodY ground. ll tho
wiro it OK, chock for Poor
g.ound .t G4ol .nd G402.
Replace the heater lan switch.
Frcm page 22'17
View lrom wire side
A/C System (cont'dl
No. 11 BLU/RED l+l
22-18