Honda Accord 2008 Manual page 429

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ECM/PCM Inputs and Outputs at Connector A ( • ) (49P)
T e r m i n a l s i d e o f f e m a l e t e r m i n a l s
N O T E : S t a n d a r d b a t t e r y v o l t a g e is a b o u t 12 V .
Terminal
number
W i r e color
T e r m i n a l n a m e
D e s c r i p t i o n
S i g n a l
30
B L U
V S S O U T (VEHICLE SPEED
S I G N A L O U T P U T )
S e n d s v e h i c l e s p e e d s i g n a l
D e p e n d i n g o n v e h i c l e s p e e d : p u l s e s
31
LT G R N
S T S ( S T A R T E R S W I T C H
S I G N A L )
D e t e c t s s t a r t e r s w i t c h s i g n a l
W i t h i g n i t i o n s w i t c h i n S T A R T (III) p o s i t i o n :
b a t t e r y 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 i n a n y p o s i t i o n o t h e r t h a n
S T A R T (III): a b o u t 0 V
32
O R N
S C S (SERVICE C H E C K
S I G N A L )
D e t e c t s s e r v i c e c h e c k s i g n a l
W i t h t h e s e r v i c e c h e c k s i g n a l s h o r t e d w i t h t h e H D S :
a b o u t 0 V
W i t h t h e s e r v i c e c h e c k s i g n a l o p e n e d : a b o u t 5.0 V
3 3 *
3
B L U
N E P ( E N G I N E SPEED
P U L S E )
O u t p u t s e n g i n e s p e e d p u l s e
W i t h e n g i n e r u n n i n g : p u l s e s
3 4 *
3
LT G R N / Y E L
C K P O U T ( C R A N K S H A F T
P O S I T I O N (CKP) O U T P U T
S I G N A L )
S e n d s C K P s i g n a l t o e n g i n e
m o u n t c o n t r o l u n i t
W i t h e n g i n e r u n n i n g : p u l s e s
3 5 *
3
RED
C M P O U T ( C A M S H A F T
P O S I T I O N ( C M P ) O U T P U T
S I G N A L )
S e n d s C M P s i g n a l t o e n g i n e
m o u n t c o n t r o l u n i t
W i t h e n g i n e r u n n i n g : p u l s e s
3 6 .
Y E L
V C C 7 ( S E N S O R V O L T A G E )
P r o v i d e s s e n s o r r e f e r e n c 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 b o u t 5.0 V
37
BLK
S G 7 ( S E N S O R G R O U N D )
S e n s o r g r o u n d
Less t h a n 1.0 V a t all t i m e s
38
P N K
P S P S W ( P O W E R S T E E R I N G
P R E S S U R E S W I T C H
S I G N A L )
D e t e c t s PSP s w i t c h s i g n a l
A t i d l e w i t h s t e e r i n g w h e e l i n s t r a i g h t a h e a d
p o s i t i o n : a b o u t 0 V
A t i d l e w i t h s t e e r i n g w h e e l at f u l l l o c k :
b a t t e r y v o l t a g e
39
LT G R N
FTP (FUEL T A N K
P R E S S U R E (FTP) S E N S O R )
D e t e c t s FTP 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 (II) a n d f u e l f i l l c a p
r e m o v e d : a b o u t 2.5 V
* 3: J 3 5 Z 2 e n g i n e
( c o n t ' d )
11-31

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