Honda ACCORD HYBRID 2005 Service Manual page 424

PGM-FI System
DTC Troubleshooting (cont'd)
32. Reconnect PCM connectors A (31P) and D (17P).
33. Reconnect M C M connectors A (31P) and B (24P)
34. Turn the ignition switch ON (II).
35. Clear the DTC w i t h the HDS.
36. Check for Temporary DTCs or DTCs w i t h the HDS.
Is only DTC U0164 indicated?
Y E S — S u b s t i t u t e a k n o w n - g o o d A/C compressor
driver (see page 21-99), then go to step 43 and
recheck. If DTC U0037 is not indicated, replace the
original A/C compressor driver, then go to step 43.
N O — G o t o step 37.
37. Turn the ignition switch OFF.
38. Reconnect the A/C compressor driver 4P connector.
39. Disconnect M C M connector A (31P).
40. Turn the ignition switch ON (II).
41. Clear the DTC w i t h the HDS.
42. Check for Temporary DTCs or DTCs w i t h the HDS.
Is only DTC U0110 indicated?
YES—Substitute a k n o w n - g o o d M C M (see page
12-8), then go to step 43 and recheck. If DTC U0037
is not indicated, replace the original M C M , then go
to step 43.
N O — G o t o step 49.
43. Turn the ignition switch OFF.
44. Reconnect all connectors.
45. Turn the ignition switch ON (II).
46. Reset the PCM w i t h the HDS.
47. Do the PCM idle learn procedure (see page 11-340).
48. Check for Temporary DTCs or DTCs w i t h the HDS.
Are any Temporary DTCs or DTCs indicated?
Y E S — I f DTC U0037 is indicated, check for poor
connections or loose terminals at the M C M , the A/C
compressor driver 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 t r o u b l e s h o o t i n g .
NO—Troubleshooting is complete. •
49. Update the PCM if it does not have the latest
software, or substitute a known-good PCM
(see page 11-6).
50. Check for Temporary DTCs or DTCs w i t h the HDS.
Are any Temporary DTCs or DTCs indicated?
Y E S — I f DTC U0037 is indicated, check for poor
connections or loose terminals at the M C M , the A/C
compressor driver and the PCM, then go to step 1.
If any other Temporary DTCs or DTCs are indicated,
go to the indicated D T C s troubleshooting.
NO—If the PCM was updated, troubleshooting is
complete. If the PCM was substituted, replace the
original PCM (see page 11-219). •
11-184