Honda Civic Service Manual page 1397

Air Mix Gontrol Motor
Recirculation indicator light indicates Diagnostic Trouble code (DTC) 1l A problem in the air mix
control linkage, door and
motor.
The air mix control motor regulates the mixture of cool/hot air according to outputs from the
heater control panel'
Self-diagnosis circuit check indi'
cates a Problem in the air mix
conlrol motor circuit,
Check th6 aii mix conirol motor:
1. Disconnect the air mix control
motor 5P connector.
2. Test the air mix control motor
(see page 21-46).
check the air mix control linkage
and doors:
1 . R e m o v e t h e a i r m i x c o n t r o l
motor (see Page 21-46)
2. Check the air mix control link-
a g e a n d d o o r s l o r s m o o t h
movement.
ls the air mix control motor OK?
D o t h e a i r m i x c o n t r o l l i n k a g e a n d
d o o r s m o v e s m o o l h l Y ?
R€olace the air mix control motor'
Check tor a short in the wiles:
1 . 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
p a n e l 2 0 P c o n n e c t o r -
2 . C h e c k f o r c o n t i n u i t Y b e t w e e n
b o d y g r o u n d a n d t h e h e a t e r
c o n t r o l p a n e l 2 0 P c o n n e c t o r
t e r m i n a l s N o . 3 a n d 4 i n d i v i d '
u a I Y .
Ropair any short in th€ wire{s}
betweon the heater control Panel
and the air mix control motor'
HEATER CONTROL PANEL 2OP CONNECTOR
RED/WHT
RED/YEL
Wire side ot female terminals
(cont'd)
fo page 21-22
21-21