Honda Accord 2008 Manual page 552

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PGM-FI System
DTC Troubleshooting (cont'd)
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 C M P s e n s o r 3 P
c o n n e c t o r t e r m i n a l N o . 1 a n d b o d y g r o u n d .
C M P S E N S O R 3 P C O N N E C T O R
1 2
C M P ( 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
Is there
about
5
V?
Y E S — G o t o s t e p 1 0 .
N O — G o t o s t e p 1 1 .
1 0 . M e a s u r e t h e v o l t a g e b e t w e e n C M P s e n s o r 3 P
c o n n e c t o r t e r m i n a l s N o . 2 a n d N o . 3.
C M P S E N S O R 3 P C O N N E C T O R
1
L G ( B R N / Y E L ) |
| I G P ( Y E L / B L K )
<2>
1 1 . 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 2 . J u m p t h e S C S l i n e w i t h t h e H D S .
1 3 . 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 ) .
14. 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 E C M / P C M c o n n e c t o r
t e r m i n a l B 4 6 a n d b o d y g r o u n d .
E C M / P C M C O N N E C T O R B ( 4 9 P )
I
J
1
I
2
3
I
4
I
5
1
6
I
7
8 | 9
110
|_
I
11 12 13 14 15 16
19 20 21
I
22 23 24
><
25
><
26
/
28
I
29 30 31 32 33 34 35 36 37 38 39
| 40 | 41 4 2 | / V l 4 5 | 4 6
/ V \ * \
C M P ( G R N )
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 — R e p a i r s h o r t 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 4 6 ) a n d t h e C M P s e n s o r , t h e n g o t o s t e p 1 8 .
N O — G o t o s t e p 15.
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 16.
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 C M P
s e n s o r a n d G 1 0 1 ( s e e p a g e 2 2 - 1 3 ) , t h e n g o t o s t e p
1 8 .
11-154

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