Honda Civic Service Manual page 1399

R e c i r c u l a t i o n i n d i c a t o r I i g h t i n d i c a t e s D i a g n o s t i c T r o u b l e c o d e ( D T c ) 2 : A p r o b I e m i n t h e a i r m i x c o n t r o | m o t o r c i r c u i t
The air mix control motor regutates the mi)dure of cool/hot air according to outputs
from the heater control panel'
Self-diagnosis circuit check indi-
crl6s a problgm in tho air mix
contiol motor circuit.
Check th6 rir mix control 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 f o r s m o o t h
ls the air mix control motor OK?
Do the air mix control linkage and
doors move smoothlY?
Roglace the air mix conlrol motor.
Check for r short in the wiresl
1. Disconnect the heater control
panel 20P connector.
2. Check for continuity between
body ground and the heater
control panel 20P connector
t e r m i n a f s N o . 3 , 4 . 1 2 , 1 5 a ^ d
20 individually
Bep.ir any short in the wire{s)
between the h€rter control panel
and th6 air mix control motor.
ls there continuity?
HEATER CONTROL PANEL 2OP CONNECTOR
BEO/WHT
REO/YEL
PNK/BLK
Wire side of female terminals
(cont'd)
Io page 21-24
21-23