Honda Accord 2008 Manual page 886

V6
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EVAP System
DTC Troubleshooting (cont'd)
DTC P0498: EVAP Canister Vent Shut Valve
Circuit Low 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 ) .
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. 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
P0498
indicated?
Y E S — G o t o s t e p 6 .
N O — G o t o s t e p 4 .
4. 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 .
5. 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
P0498
indicated?
Y E S — G o t o s t e p 6 .
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 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 . •
6 . 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 ) .
7. D i s c o n n e c t 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 2 P
c o n n e c t o r .
8. 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).
9. M e a s u r e t h e v o l t a g e b e t w e e n 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 2 P c o n n e c t o r t e r m i n a l N o . 2 a n d b o d y
g r o u n d .
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 2 P C O N N E C T O R
+ B
( W H T )
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
Is there
battery
voltage?
Y E S — G o t o s t e p 10.
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 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 P G M - F I s u b r e l a y ,
t h e n g o t o s t e p 18.
10. 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 1 . A t t h e v a l v e s i d e , m e a s u r e t h e r e s i s t a n c e b e t w e e n
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 2 P c o n n e c t o r
t e r m i n a l s N o . 1 a n d N o . 2 .
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 2 P C O N N E C T O R
1 2
T e r m i n a l s i d e o f m a l e t e r m i n a l s
Is there
about
25—30Q
at room
temperature?
Y E S — G o t o s t e p 1 2 .
N O — G o t o s t e p 17.
11-488

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