Honda ACCORD HYBRID 2005 Service Manual page 440

PGM-FI System
M I L C i r c u i t T r o u b l e s h o o t i n g (cont'd)
16. Check for continuity between PCM connector
terminal E16 and body ground.
PCM C O N N E C T O R E (31P)
I
1 2 3 4 5 6 | 7 8 9
10 11 12 13 14 15 16 17 18 19 20 21
22 23 24 25 26 27
/
29
/
31
S C S (BRN)
Wire side of female terminals
Is there continuity?
YES—Repair short in the wire between the PCM
(E16) and the DLC. •
NO—Update the PCM if it does not have the latest
software, or substitute a known-good PCM
(see page 11 -6), then recheck. If the s y m p t o m /
indication goes away w i t h a known-good PCM,
replace the original PCM (see page 11-219). •
17. Try to start the engine.
Does the engine start and idle smoothly?
Y E S — G o to step 18.
NO—Go to step 22.
18. Turn the ignition switch OFF.
19. Connect the HDS (see page 11-3).
20. Turn the ignition switch ON (II), and read the HDS.
Does the HDS communicate with the PCM?
Y E S - G o t o step 2 1 .
NO—Go to "DLC Circuit T r o u b l e s h o o t i n g "
(see page 1 1 - 2 0 9 ) . •
21. Check for Temporary DTCs or DTCs w i t h the HDS.
Is DTC U0073 and/or U0155 indicated?
Y E S — G o to the indicated DTCs troubleshooting. •
NO—Update the PCM if it does not have the latest
software, or substitute a known-good PCM
(see page 11-6), then recheck. If the s y m p t o m /
indication goes away w i t h a known-good PCM,
replace the original PCM (see page 11-219). •
22. Turn the ignition switch OFF.
23. Inspect the No. 23 + B IG MAIN (50 A) fuse in the
under-hood fuse/relay box.
Is the fuse OK ?
YES—Repair open in the w i r e between the No. 23
+ B IG MAIN (50 A) fuse and the ignition switch.
If the wire is OK, go to step 24.
NO—Repair short in the w i r e between the No. 23
+ B IG MAIN (50 A) fuse and the under-dash fuse/
relay box. Also replace the No. 23 + B IG MAIN
(50 A) f u s e . B
11-200