Honda Accord 2008 Manual page 642

V6
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PGM-FI System
DTC Troubleshooting (cont'd)
DTC U0155: F-CAN Malfunction (ECM/PCM-
Gauge Control Module)
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 11-3).
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
U0155
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 g a u g e c o n t r o l m o d u l e a n d t h e E C M / P C M . •
4. C h e c k f o r b o d y e l e c t r i c a l 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
B1168,
B1169,
and/or
B1178
indicated?
Y E S — G o t o s t e p 5.
N O — D o t h e g a u g e c o n t r o l m o d u l e i n p u t t e s 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
2 2 - 3 2 0 ) . •
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. R e m o v e t h e g a u g e c o n t r o l m o d u l e , 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
2 2 - 3 2 4 ) .
8. D i s c o n n e c t t h e g a u g e c o n t r o l m o d u l e 3 2 P
c o n n e c t o r .
9. 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 ) .
10. C o n n e c t g a u g e c o n t r o l m o d u l e 3 2 P c o n n e c t o r
t e r m i n a l N o . 3 0 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 .
G A U G E C O N T R O L M O D U L E 3 2 P
C O N N E C T O R
p
n
n
i
r
n
r,
q
1 | 2 | / W | 6
/ | 8 | 9 | 1 0 / I / | 1 3 | / | / | 1 6 |
h 7 | l 8 | l 9 | / | / | 2 2 | 2 3 l 2 4 | 2 5 | 2 6 | 2 7 | 2 8 | 2 9 | 3 0 | / l 3 2
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
1 1 . 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 A 4 8 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 )
I
1
I
2
/ | 4 | 5 | 6 | 7
8 | 9
110
| .
1
11 12 13 14 15 16
19 20 21
1
22 23 24
><
25
26 27
/
1
29 30 31 32 33 34 35|36 37 38 39
140
| 41
/ K | 4 4 | 4 5 | 4 6
47 4*
C A N H
( W H T )
T e r m i n a l side of 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 2 .
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 4 8 ) a n d g a u g e c o n t r o l m o d u l e , t h e n g o t o
s t e p 14.
11-244

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