Honda Accord 2008 Manual page 1555

V6
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Cavity
Wire color
Terminal
name
Description
Signal
10
PUR
M - F R S
D r i v e s r e c i r c u l a t i o n c o n t r o l m o t o r
F R E S H s i d e
W i t h i g n i t i o n s w i t c h O N (II) a n d
r e c i r c u l a t i o n c o n t r o l m o t o r m o v i n g t o
F R E S H : a b o u t 0 V
11
L T G R N
I G 2
I G 2 p o w e r s o u r c e
W i t h i g n i t i o n s w i t c h O N (II): b a t t e r y
v o l t a g e
12
G R Y
S M A L L
I n p u t s v o l t a g e f o r i l l u m i n a t i o n
W i t h c o m b i n a t i o n l i g h t s w i t c h O N :
b a t t e r y v o l t a g e
13
B L K
S 5 V
O u t p u t s e n s o r 5 V
W i t h i g n i t i o n s w i t c h O N (II): a b o u t
5.0 V
14
B R N
T e v a
D e t e c t s e v a p o r a t o r t e m p e r a t u r e
s e n s o r s i g n a l
W i t h i g n i t i o n s w i t c h O N : a b o u t
1.0—4.0 V ( d e p e n d i n g o n e v a p o r a t o r
t e m p e r a t u r e ) . A b o u t 2.5 V a t 72°F
(22°C)
15
R E D
S E N S -
C O M
S e n s o r g r o u n d
L e s s t h a n 0.5 V a t a l l t i m e s
17
G R Y
A M D - P
O u t p u t s a i r m i x c o n t r o l m o t o r
p o t e n t i o m e t e r s i g n a l
W i t h i g n i t i o n s w i t c h O N (II) a n d
a i r m i x d o o r a t H O T : a b o u t 4 . 5 V
W i t h i g n i t i o n s w i t c h O N (II) a n d
a i r m i x d o o r a t C O O L : a b o u t 0.5 V
18
Y E L
B L W - G
O u t p u t s p o w e r t r a n s i s t o r g a t e v o l t a g e
W i t h i g n i t i o n s w i t c h O N (II) a n d b l o w e r
O F F : 0 V . V o l t a g e i n c r e a s e s a s b l o w e r
s p e e d i n c r e a s e s
19
B L U
B L W - V
F e e d b a c k s i g n a l o f p o w e r t r a n s i s t o r
d r a i n v o l t a g e
W i t h i g n i t i o n s w i t c h O N (II) a n d
b l o w e r O F F : b e t w e e n 5 V a n d 12 V .
V o l t a g e d e c r e a s e s a s b l o w e r s p e e d
i n c r e a s e s
21
L T B L U
A C S
O u t p u t s A / C o n / o f f s i g n a l
W i t h i g n i t i o n s w i t c h O N (II) a n d A / C
r e q u e s t O F F : b a t t e r y v o l t a g e . W h e n
A / C r e q u e s t s w i t c h e s O N , v o l t a g e
c h a n g e s t o a b o u t 0 V .
2 2
R E D
R r D E F R y
D r i v e s r e a r w i n d o w d e f o g g e r r e l a y
W i t h i g n i t i o n s w i t c h O N (II) a n d
d e f o g g e r O N : a b o u t 0 V
W i t h i g n i t i o n s w i t c h O N (II) a n d
d e f o g g e r O F F : b a t t e r y v o l t a g e
2 3
B L K
G N D
G r o u n d f o r H V A C c o n t r o l u n i t ( G 4 0 1 )
L e s s t h a n 0.5 V a t a i l t i m e s
2 4
R E D
ILL —
D e t e c t s i l l u m i n a t i o n c o n t r o l s i g n a l
W i t h c o m b i n a t i o n l i g h t s w i t c h O N :
v o l t a g e d e c r e a s e s a s d a s h l i g h t s
b r i g h t n e s s i n c r e a s e s
21-17

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