Honda 2002 Accord Manual page 415

9. T u r n the ignition switch OFF.
10. T u r n the ignition switch ON (II).
11. Measure voltage between EGR valve 6P connector
terminals No. 2 and No. 3.
E G R V A L V E 6 P C O N N E C T O R
SG2
( G R N / B L K )
VCC2
( Y E L / B L U )
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 approx. 5 V?
Y E S - G o t o step 13.
N O - G o t o step 12.
12. Measure voltage between ECM/PCM connector
terminals C18 and C28.
E C M / P C M C O N N E C T O R C (31P)
S G 2 ( G R N / B L K )
1 2 3 5 6
i
8
9 10
/ /
13 14 15 16 17 18 19 20 21
/
23 24 25 26 27 28
29 30
/
V C C 2 ( Y E L / B L U )
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 approx. 5 V?
Y E S - R e p a i r open in the wire between the EGR
valve and the ECM/PCM (C18, C28).B
N O - S u b s t i t u t e a known-good ECM/PCM and
recheck (see page 11-5). If the symptom/indication
goes away, replace the original ECM/PCM. •
13. Turn the ignition switch OFF.
14. At the sensor side, measure resistance between
EGR valve 6P connector terminals No. 1 and No. 2.
E G R V A L V E 6 P C O N N E C T O R
E G R L
( W H T / B L K )
S G 2 ( G R N / B L K )
T e r m i n a l s i d e of m a l e t e r m i n a l s
Is the resistance 100 kQ or more?
Y E S - R e p l a c e the EGR v a l v e . •
N O - G o t o step 15.
15. Measure resistance between EGR valve 6P
connector terminals No. 1 and No. 3.
E G R V A L V E 6 P C O N N E C T O R
E G R L
( W H T / B L K )
4
6
V C C 2
( Y E L / B L U )
T e r m i n a l s i d e of m a l e t e r m i n a l s
Is there 100 kQ or more?
Y E S - R e p l a c e the EGR v a l v e . B
N O - G o t o step 16.
16. Reconnect the EGR valve connector.
17. Turn the ignition switch ON (II).
(cont'd)
11-139