Honda Accord 2008 Manual page 644

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PGM-FI System
DTC Troubleshooting (cont'd)
DTC U1101: F-CAN Malfunction (PCM-ACM)
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
U1101
indicated?
Y E S — G o t o s t e p 4.
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 n g i n e m o u n t c o n t r o l u n i t a n d t h e P C M . B
4. C h e c k f o r A C M s y s t e m D T C s i n t h e D T C s M E N U
w i t h t h e H D S .
Is DTC
P15AB
indicated?
Y E S — G o t o t h e A C M s y s t e m ' s D T C P 1 5 A B
t r o u b l e s h o o t i n g ( s e e p a g e 4 - 7 6 ) .
N O — G o t o s t e p 5.
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. J u m p t h e S C S l i n e w i t h t h e H D S .
7. D i s c o n n e c t t h e e n g i n e m o u n t c o n t r o l u n i t 16P
c o n n e c t o r .
8. D i s c o n n e c t P C M c o n n e c t o r A ( 4 9 P ) .
9. C o n n e c t e n g i n e m o u n t c o n t r o l u n i t 16P c o n n e c t o r
t e r m i n a l N o . 14 t o b o d y g r o u n d w i t h a j u m p e r w i r e .
E N G I N E M O U N T C O N T R O L U N I T 1 6 P C O N N E C T O R
I t
1
10
11 12
14 15
16
C A N H ( W H T )
J U M P E R W I R E
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
10. 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 P C M c o n n e c t o r
t e r m i n a l A 4 8 a n d b o d y g r o u n d .
P C M C O N N E C T O R A ( 4 9 P )
I
1 |
2 / 1 4
h *l
n
7
8 h
Mo.
11
/
13 14 15 16
A*
19 20 21
22 23 24
><
25
><
26 27
/
29 30 31 32 33 34 35 36 37 38 39
40 41
/
1 / |
441
45 [ 4 6
47
U
i
49
C A N H ( W H T )
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 — G o t o s t e p 1 1 .
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 P C M
( A 4 8 ) a n d t h e e n g i n e m o u n t c o n t r o l u n i t , t h e n g o t o
s t e p 13.
11-246

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