Honda Accord 2008 Manual page 890

V6
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EVAP System
DTC Troubleshooting (cont'd)
DTC P1454: FTP Sensor Circuit Range/
Performance Problem
DTC P2422: EVAP Canister Vent Shut Valve
Stuck Closed Malfunction
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 11-3).
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. 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 ) .
4 . R e m o v e t h e f u e l f i l l c a p , a n d w a i t 1 m i n u t e .
5. 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).
6. C h e c k t h e FTP S E N S O R i n t h e D A T A L I S T w i t h t h e
H D S .
Is It between
- 0.67 and 0.67 kPa (-0.2
and
0.2 in.Hg,
~ 5 and 5 mmHg),
or 2.4 and 2.6
V?
Y E S — G o t o s t e p 7.
N O — G o t o s t e p 1 8 .
7 . I n s t a l l t h e f u e l f i l l c a p .
8 . C l e a r t h e D T C w i t h t h e H D S .
9 . 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 .
1 0 . M o n i t o r t h e O B D S T A T U S f o r D T C P 1 4 5 4 i n t h e
D T C s M E N U w i t h t h e H D S .
Does
the screen
indicate
FAILED?
Y E S — G o t o s t e p 1 1 .
N O — I f t h e s c r e e n i n d i c a t e s P A S S E D , 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 F T P
s e n s o r , t h e E V A P c a n i s t e r v e n t s h u t v a l v e , a n d t h e
E C M / P C M . A l s o c h e c k f o r a b l o c k a g e i n t h e v e n t
h o s e s a n d t h e d r a i n j o i n t . If t h e s c r e e n i n d i c a t e s
N O T C O M P L E T E D , k e e p i d l i n g u n t i l a r e s u l t c o m e s
o n .
1 1 . C l e a r t h e D T C w i t h t h e H D S .
1 2 . 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).
1 3 . R e m o v e t h e E V A P c a n i s t e r v e n t s h u t v a l v e f r o m t h e
E V A P c a n i s t e r ( s e e p a g e 1 1 - 5 0 0 ) .
1 4 . C o n n e c t t h e 2 P c o n n e c t o r t o t h e E V A P c a n i s t e r v e n t
s h u t v a l v e .
15. 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).
16. S e l e c t E V A P C V S O N i n t h e I N S P E C T I O N M E N U
w i t h t h e H D S .
1 7 . C h e c k t h e E V A P c a n i s t e r v e n t s h u t v a l v e ( A )
o p e r a t i o n .
A
Does
the valve
operate?
Y E S — C h e c k f o r a b l o c k a g e i n t h e E V A P c a n i s t e r ,
v e n t h o s e s , a n d d r a i n j o i n t , t h e n i n s t a l l t h e E V A P
c a n i s t e r v e n t s h u t v a l v e , a n d g o t o s t e p 2 4 .
N O — R e p l a c e t h e E V A P c a n i s t e r v e n t s h u t v a l v e
( s e e p a g e 1 1 - 5 0 0 ) , t h e n g o t o s t e p 2 4 .
11-492

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