Honda Accord 2008 Manual page 535

1 1 . T e s t - d r i v e t h e v e h i c l e f o r s e v e r a l m i n u t e s i n t h e
r a n g e o f t h e s e r e c o r d e d f r e e z e d a t a p a r a m e t e r s :
• E N G I N E S P E E D
• V S S
• R E L T P S E N S O R
• C L V ( c a l c u l a t e d l o a d v a l u e )
• G E A R P O S I T I O N
• E C T S E N S O R 1
12. C h e c k t h e C Y L 1 M I S F I R E , C Y L 2 M I S F I R E , C Y L 3
M I S F I R E , C Y L 4 M I S F I R E , C Y L 5 M I S F I R E , a n d / o r
C Y L 6 M I S F I R E i n t h e D A T A L I S T f o r 10 m i n u t e s
w i t h t h e H D S .
Does CYL1 MISFIRE, CYL2 MISFIRE, CYL3
MISFIRE, CYL4 MISFIRE, CYL5 MISFIRE,
and/or CYL6 MISFIRE show misfire counts?
Y E S — G o t o s t e p 1 3 .
N O — I n t e r m i t t e n t f a i l u r e d u e t o p o o r c o n t a c t a t t h e
i g n i t i o n c o i l c o n t a c t o r ( n o m i s f i r e a t t h i s t i m e ) .
M a k e s u r e t h a t t h e i g n i t i o n c o i l c o n n e c t o r s a r e
s e c u r e . •
13. D e t e r m i n e w h i c h c y l i n d e r h a d t h e m i s f i r e .
Does the misfire occur in the cylinder where the
ignition coil was moved?
Y E S — R e p l a c e t h e f a u l t y i g n i t i o n c o i l ( s e e p a g e
4 - 2 9 ) , t h e n g o t o s t e p 4 4 .
N O — G o t o s t e p 14.
14. 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).
15. E x c h a n g e t h e s p a r k p l u g f r o m t h e p r o b l e m c y l i n d e r
w i t h t h e o n e f r o m a n o t h e r c y l i n d e r .
16. T e s t - d r i v e t h e v e h i c l e f o r s e v e r a l m i n u t e s i n t h e
r a n g e o f t h e s e r e c o r d e d f r e e z e d a t a p a r a m e t e r s :
• E N G I N E S P E E D
• V S S
• R E L T P S E N S O R
• C L V ( c a l c u l a t e d l o a d v a l u e )
• G E A R P O S I T I O N
• E C T S E N S O R 1
17. C h e c k t h e C Y L 1 M I S F I R E , C Y L 2 M I S F I R E , C Y L 3
M I S F I R E , C Y L 4 M I S F I R E , C Y L 5 M I S F I R E , a n d / o r
C Y L 6 M I S F I R E i n t h e D A T A L I S T f o r 10 m i n u t e s
w i t h t h e H D S .
Does CYL1 MISFIRE, CYL2 MISFIRE, CYL3
MISFIRE, CYL4 MISFIRE, CYL5 MISFIRE,
and/or CYL6 MISFIRE show misfire counts?
Y E S — G o t o s t e p 1 8 .
N O — I n t e r m i t t e n t f a i l u r e d u e t o s p a r k p l u g f o u l i n g
( n o m i s f i r e a t t h i s t i m e ) . •
18. D e t e r m i n e w h i c h c y l i n d e r h a d t h e m i s f i r e .
Does the misfire occur in the cylinder where the
spark plug was moved?
Y E S — R e p l a c e t h e f a u l t y s p a r k p l u g , t h e n g o t o s t e p
4 4 .
N O — G o t o s t e p 19.
19. 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 ) .
2 0 . J u m p t h e S C S l i n e w i t h t h e H D S .
2 1 . 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 ) .
( c o n t ' d )
11-137