Honda ACCORD HYBRID 2005 Service Manual page 396

PGM-FI System
D T C T r o u b l e s h o o t i n g ( c o n t ' d )
16. Check for continuity between PCM connector
t e r m i n a l C12 and body g r o u n d .
PCM C O N N E C T O R C (22P)
i
1 2
3 4 5 6 7
8 9 10 11 12 13 14 15
16 17 18 19 20
21 22
S G 2 ( G R N / Y E L )
W i r e 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 step 25.
NO—Repair open in the w i r e between the PCM
(C12) and ECT sensor 2, then go to step 20.
17. Measure voltage between PCM connector t e r m i n a l
B24 and body g r o u n d .
PCM C O N N E C T O R B (24P)
I
1 2 3 4 5 6 7
8 9 10 11 12 13 14 15
/
17 18 19 20 21 22 23 24
ECT2 (GRN/RED)
®
W i r e side of f e m a l e t e r m i n a l s
Is there about 5 V?
18. Turn the ignition switch OFF.
19. Replace ECT sensor 2 (see page 11-218).
20. Reconnect all connectors.
2 1 . Turn the ignition switch ON (II).
22. Reset the PCM w i t h the HDS.
23. Do the PCM idle learn procedure (see page 11-340).
24. Check for T e m p o r a r y DTCs or DTCs w i t h the HDS.
Are any Temporary DTCs or DTCs indicated?
Y E S — I f DTC P2185 is indicated, check for poor
connections or loose t e r m i n a l s at ECT sensor 2 and
the PCM, then go to step 1. If any other T e m p o r a r y
DTCs or DTCs are indicated, go to the indicated
D T C s troubleshooting.
NO—Troubleshooting is complete. •
25. Update the PCM if it does not have the latest
software, or substitute a k n o w n - g o o d PCM
(see page 11-6).
26. Check for T e m p o r a r y DTCs or DTCs w i t h the HDS.
Are any Temporary DTCs or DTCs indicated?
Y E S — I f DTC P2185 is indicated, check for poor
connections or loose t e r m i n a l s at ECT sensor 2 and
the PCM, then go to step 1. If any other T e m p o r a r y
DTCs or DTCs are indicated, go to the indicated
D T C s troubleshooting.
NO—If the PCM was updated, t r o u b l e s h o o t i n g is
complete. If the PCM w a s substituted, replace the
original PCM (see page 11-219). •
Y E S — R e p a i r open in the w i r e between the PCM
(B24) and ECT sensor 2, then go to step 20.
N O — G o t o step 25.
11-156