Honda ACCORD HYBRID 2005 Service Manual page 439

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
1. Turn the ignition switch ON (II).
2. Do the gauge self-diagnostic procedure (see page
22-226).
Does the MIL indicator flash?
Y E S — G o t o step 3.
NO—Substitute a known-good gauge assembly,
and recheck. If the MIL circuit is OK, replace the
original gauge a s s e m b l y . •
3. Turn the ignition switch OFF.
4. Turn the ignition switch ON (II), and watch the MIL.
Does the MIL stay off?
Y E S — G o t o step 17.-
N O — G o t o step 5.
5. Turn the ignition switch OFF.
6. Turn the ignition switch ON (II), wait 20 seconds,
and watch the MIL.
Does the MIL stay on or flash more than 5 times?
Y E S — G o t o step 7.
N O - T h e MIL circuit is O K . B
7. Turn the ignition switch OFF.
8. Connect the HDS (see page 11-3).
9. 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 10.
NO—Go to "DLC Circuit T r o u b l e s h o o t i n g "
(see page 11-209). If no problem is found in the DLC
troubleshooting, go to step 2 1 .
10. Check for Temporary DTCs or DTCs w i t h the HDS.
Are any Temporary DTCs or DTCs indicated?
Y E S — G o to the indicated DTCs troubleshooting. •
NO—Go to step 11.
11. Check the MIL in the DATA LIST w i t h the HDS.
Does it indicate ON?
Y E S — G o t o step 12.
NO—Substitute a known-good gauge assembly,
and recheck. If the MIL circuit is OK, replace the
original gauge assembly. •
12. Check the SCS in the DATA LIST w i t h the HDS.
Is a short indicated?
Y E S — G o t o step 13.
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). •
13. Turn the ignition switch OFF.
14. J u m p the SCS line w i t h the HDS.
15. Disconnect ECM connector E (31P).
(cont'd)
11-199