Honda Accord 2008 Manual page 1497

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DTC Troubleshooting
DTC 68-21: Brake Pedal Position Switch Stuck
OFF
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 h e c k t h e B R A K E P R E S S i n t h e V S A D A T A L I S T
w i t h t h e H D S . D o n o t p r e s s t h e b r a k e p e d a l .
Is there 10 MP a or less?
Y E S — G o t o s t e p 3.
N O — C h e c k f o r b r a k e d r a g o r a m i s s a d j u s t e d b r a k e
p e d a l p o s i t i o n s w i t c h . If t h e y a r e n o r m a l , g o t o s t e p
2 5 .
3. C h e c k t h e B R A K E S W I T C H i n t h e V S A D A T A L I S T
w i t h t h e H D S w h i l e m o v i n g t h e b r a k e p e d a l .
Does it indicate ON when the pedal is pressed,
and OFF when the pedal is released?
Y E S — 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 l o o s e t e r m i n a l s b e t w e e n t h e b r a k e
p e d a l p o s i t i o n s w i t c h 4 P c o n n e c t o r , E C M / P C M
c o n n e c t o r A ( 4 9 P ) , a n d t h e V S A m o d u l a t o r - c o n t r o l
u n i t 3 6 P c o n n e c t o r . R e f e r t o i n t e r m i t t e n t f a i l u r e s
t r o u b l e s h o o t i n g , r e f e r t o t h e 2 0 0 8 - 2 0 0 9 A c c o r d
S e r v i c e M a n u a l ( s e e p a g e 1 9 - 4 7 ) . •
N O — G o t o s t e p 4 .
4. 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 ) .
5. D i s c o n n e c t t h e b r a k e p e d a l p o s i t i o n s w i t c h 4 P
c o n n e c t o r .
6. C o n n e c t t h e b r a k e p e d a l p o s i t i o n s w i t c h 4 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 w i t h a j u m p e r
w i r e .
B R A K E P E D A L P O S I T I O N S W I T C H 4 P C O N N E C T
J U M P E R W I R E
R E D
1
2
3
X
4
L T G R N
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
7. 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).
8. C h e c k t h e B R A K E S W I T C H i n t h e V S A D A T A L I S T
w i t h t h e H D S .
Does it indicate ON?
Y E S — C h e c k t h e b r a k e p e d a l p o s i t i o n s w i t c h
a d j u s t m e n t , r e f e r t o t h e 2 0 0 8 - 2 0 0 9 A c c o r d S e r v i c e
M a n u a l ( s e e p a g e 1 9 - 6 ) . If it i s O K , r e p l a c e t h e
b r a k e p e d a l p o s i t i o n s w i t c h . •
N O — G o t o s t e p 9 .
9. D i s c o n n e c t t h e j u m p e r w i r e .
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 ) .
( c o n t ' d )
19-23

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