Honda Accord 2008 Manual page 436

Fuel and Emissions Systems
System Description (cont'd)
E C M / P C M Inputs and Outputs at Connector C ( O ) (49P)
PGM
ETCS
2
ETCS
M+
n
3
ETCS
M-
n
4 5 6 7 8 9 10
IG1 S02S AFS S02S AFS
ETCS HTCB1 HTCB1 HTCB2 HTCB2 SHD EGR
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 c o l o r 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
1 B L K P G M E T C S ( P O W E R
G R O U N D ETCS)
G r o u n d c i r c u i t f o r E C M /
P C M
Less t h a n 1.0 V at all t i m e s
2 B L U E T C S M + ( T H R O T T L E
A C T U A T O R + S I D E )
D r i v e s t h r o t t l e a c t u a t o r 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 0 V
3 G R N E T C S M - ( T H R O T T L E
A C T U A T O R - S I D E )
G r o u n d f o r t h r o t t l e a c t u a t o r 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 0 V
4 Y E L / G R N I G 1 E T C S ( I G N I T I O N
S I G N A L ETCS)
D e t e c t s i g n i t i o n 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): b a t t e r y v o l t a g e
5 B L K / W H T S 0 2 S H T C B 1 (REAR
S E C O N D A R Y H E A T E D
O X Y G E N S E N S O R (REAR
S E C O N D A R Y H 0 2 S )
( B A N K 1 , S E N S O R 2)
H E A T E R C O N T R O L )
D r i v e s r e a r s e c o n d a r y
H 0 2 S h e a t e r ( B a n k 1 ,
s e n s o r 2)
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
W i t h f u l l y w a r m e d u p e n g i n e r u n n i n g :
d u t y c o n t r o l l e d
6 B L K / W H T A F S H T C B 1 (REAR AIR F U E L
R A T I O (REAR A / F ) S E N S O R
( B A N K 1 , S E N S O R 1)
H E A T E R C O N T R O L )
D r i v e s r e a r A / F s e n s o r
h e a t e r ( B a n k 1 , s e n s o r 1)
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
W i t h f u l l y w a r m e d u p e n g i n e r u n n i n g :
a b o u t 0 V o r d u t y c o n t r o l l e d
11-38