Honda Accord 2008 Manual page 560

V6
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PGM-FI System
DTC Troubleshooting (cont'd)
DTC P0560: ECM/PCM Power Source Circuit
Unexpected 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 . S t a r t t h e e n g i n e , a n d l e t it i d l e .
4 . 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
P0560
indicated?
Y E S — G o t o s t e p 5.
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 N o . 19 B A C K U P Fl E C U (7.5 A ) f u s e i n t h e
u n d e r - h o o d f u s e r e l a y b o x a n d t h e E C M / P C M . •
5. 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 ) .
6 . C h e c k t h e N o . 19 B A C K U P Fl E C U (7.5 A ) f u s e i n
t h e u n d e r - h o o d f u s e r e l a y b o x .
7 . J u m p t h e S C S l i n e w i t h t h e H D S .
8 . 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 A ( 4 9 P ) .
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 C M / P C M c o n n e c t o r
t e r m i n a l A 2 3 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 A ( 4 9 P )
, | 2
/ | 4 | 5 | 6 l 7
8 | 9 | 1 0 | .
11 12 13 14 15 16
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18
19 20 21
i
22 23 24
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25
26 27
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i
29
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31 32 33 34 35J36 37 38 39
i
140
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4
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44145 146 471481491
V B U M ( Y E L )
Terminal side of female terminals
Is there
battery
voltage?
Y E S — G o t o s t e p 1 9 .
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 C M /
P C M ( A 2 3 ) a n d t h e N o . 19 B A C K U P Fl E C U (7.5 A )
f u s e , t h e n g o t o s t e p 1 3 .
Is the fuse
OK?
Y E S — G o t o s t e p 7.
N O — G o t o s t e p 1 0 .
11-162

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