Honda Accord 2008 Manual page 600

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PGM-FI System
DTC Troubleshooting (cont'd)
DTC P2195: Rear A/F Sensor (Bank 1,
Sensor 1) Signal Stuck Lean
DTC P2197: Front A/F Sensor (Bank 2,
Sensor 1) Signal Stuck Lean
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 ) .
• I n f o r m a t i o n m a r k e d w i t h a n a s t e r i s k (*) a p p l i e s t o t h e
f r o n t b a n k ( B a n k 2 ) .
• If t h e v e h i c l e w a s o u t o f f u e l a n d t h e e n g i n e s t a l l e d
b e f o r e t h i s D T C w a s s t o r e d , r e f u e l , a n d c l e a r t h e D T C
w i t h t h e H D S .
• If D T C P 2 1 0 1 , P 2 1 1 8 , P 2 1 3 5 , P 2 1 3 8 , P 2 1 7 6 , o r a
c o m b i n a t i o n o f P 2 1 2 2 a n d P 2 1 2 7 , P 2 1 2 2 a n d P 2 1 3 8 o r
P 2 1 2 7 a n d P 2 1 3 8 is s t o r e d a t t h e s a m e t i m e a s D T C
P 2 1 9 5 ( P 2 1 9 7 ) * , t r o u b l e s h o o t t h o s e D T C s f i r s t , t h e n
r e c h e c k f o r D T C P 2 1 9 5 ( P 2 1 9 7 ) * .
1. C h e c k t h e i n s t a l l a t i o n o f t h e A / F s e n s o r ( S e n s o r 1).
Is the A/F
sensor
loose
or disconnected
from
the
exhaust
pipe?
Y E S — G o t o s t e p 6.
N O — G o t o s t e p 2 .
2. 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).
3. C l e a r t h e D T C w i t h t h e H D S .
4. 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 f o r 2 m i n u t e s .
5. 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
P2195
and/or
P2197*
indicated?
6. 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).
7 . R e i n s t a l l t h e A / F s e n s o r ( S e n s o r 1) ( s e e p a g e
1 1 - 2 7 5 ) .
8. 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).
9. R e s e t t h e E C M / P C M w i t h t h e H D S .
10. D o t h e E C M / P C M i d l e l e a r n p r o c e d u r e ( s e e p a g e
1 1 - 3 8 5 ) .
1 1 . 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
P2195
and/or
P2197*
indicated?
Y E S — 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 A / F s e n s o r ( S e n s o r 1) a n d t h e E C M /
P C M , t h e n g o t o s t e p 1 .
N O — G o t o s t e p 1 2 .
1 2 . M o n i t o r t h e O B D S T A T U S f o r D T C P 2 1 9 5 a n d / o r
P 2 1 9 7 * i n t h e D T C s M E N U w i t h t h e H D S .
Does
the screen
indicate
PASSED?
Y E S — T r o u b l e s h o o t i n g i s c o m p l e t e . If a n y o t h e r
T e m p o r a r y D T C s o r D T C s w e r e i n d i c a t e d i n s t e p 1 1 ,
g o t o t h e i n d i c a t e d D T C s t r o u b l e s h o o t i n g . •
N O — I f t h e s c r e e n i n d i c a t e s F A I L E D , 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 A / F s e n s o r
( S e n s o r 1) a n d t h e E C M / P C M , t h e n g o t o s t e p 1 . If
t h e s c r e e n i n d i c a t e s N O T C O M P L E T E D , k e e p i d l i n g
u n t i l a r e s u l t c o m e s o n .
Y E S — 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 A / F s e n s o r ( S e n s o r 1) a n d t h e E C M /
P C M , t h e n g o t o s t e p 13.
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 A / F s e n s o r ( S e n s o r 1) a n d t h e E C M / P C M . If
a n y o t h e r T e m p o r a r y D T C s o r D T C s a r e i n d i c a t e d ,
g o t o t h e i n d i c a t e d D T C s t r o u b l e s h o o t i n g . •
11-202

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