Honda Accord 2008 Manual page 614

V6
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PGM-FI System
DTC Troubleshooting (cont'd)
DTC P2243: Rear A/F Sensor (Bank 1,
Sensor 1) VCENT Circuit High Voltage
DTC P2247: Front A/F Sensor (Bank 2,
Sensor 1) VCENT Circuit High Voltage
N O T E :
• B e f o r e y o u t r o u b l e s h o o t , r e c o r d a l l f r e e z e d a t a a n d
a n y o n - b o a r d s n a p s h o t , a n d r e v i e w t h e g e n e r a l
t r o u b l e s h o o t i n g i n f o r m a t i o n ( s e e p a g e 1 1 - 3 ) .
• I n f o r m a t i o n m a r k e d w i t h a n a s t e r i s k (*) a p p l i e s t o t h e
f r o n t b a n k ( B a n k 2 ) .
1 . T u r n t h e i g n i t i o n s w i t c h t o O N (II).
2. C l e a r t h e D T C w i t h t h e H D S .
3 . S t a r t t h e e n g i n e . H o l d t h e e n g i n e s p e e d a t
3 , 0 0 0 r p m w i t h o u t l o a d ( A / T i n P o r N , M / T i n
n e u t r a l ) u n t i l t h e r a d i a t o r f a n c o m e s o n , t h e n l e t it
i d l e f o r 2 m i n u t e s .
4 . C h e c k f o r T e m p o r a r y D T C s o r D T C s w i t h t h e H D S .
Is DTC
P2243
and/or
P2247*
indicated?
Y E S — G o t o s t e p 5.
N O — I n t e r m i t t e n t f a i l u r e , t h e s y s t e m is O K a t t h i s
t i m e . C h e c k f o r p o o r c o n n e c t i o n s o r l o o s e t e r m i n a l s
a t t h e A / F s e n s o r ( S e n s o r 1) a n d t h e E C M / P C M . •
5. T u r n t h e i g n i t i o n s w i t c h t o L O C K (0).
6. J u m p t h e S C S l i n e w i t h t h e H D S .
7. D i s c o n n e c t t h e A / F s e n s o r ( S e n s o r 1) 6 P c o n n e c t o r .
8. D i s c o n n e c t E C M / P C M c o n n e c t o r B ( 4 9 P ) .
9. 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 A / F s e n s o r ( S e n s o r 1)
6 P c o n n e c t o r t e r m i n a l N o . 6 a n d E C M / P C M
c o n n e c t o r t e r m i n a l B 1 5 ( B 2 4 ) * .
A / F S E N S O R ( S E N S O R 1) 6 P C O N N E C T O R
1
2
/
4
5
6
V C E N T B 2 ( R E D / W H T ) * | | V C E N T B 1 ( R E D )
W i r e s i d e o f f e m a l e t e r m i n a l s
E C M / P C M C O N N E C T O R B ( 4 9 P )
V C E N T B 2 ( R E D / W H T ) *
l
11
1!
22
29
23 24
V C E N T B 1 ( R E D )
—II
~
M i
,14 15,
32|33
16
25
34
17 18
S I
35 36
4 2 | X M 4 5 j 4 6 |
r
7 l 7 T ^
8
9
10
37 38
28
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
Is there
continuity?
Y E S — G o t o s t e p 1 0 .
N O — R e p a i r o p e n i n t h e w i r e b e t w e e n t h e E C M /
P C M ( B 1 5 ( B 2 4 ) * ) a n d t h e A / F s e n s o r ( S e n s o r 1),
t h e n g o t o s t e p 14.
11-216

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