Honda ACCORD HYBRID 2005 Service Manual page 427

DTC U0110: IMA-CAN Malfunction (MCM-
(Battery Condition Monitor CPU)-PCM)
NOTE: Information marked w i t h an asterisk (*) applies
to the IMACANL line.
1. Turn the ignition switch ON (II) and read the HDS.
Does the HDS communicate with the IMA system?
Y E S - G o t o step 2.
NO—Go to " I M A System Indicator Circuit
T r o u b l e s h o o t i n g " (see page 12-133). •
2. Clear the DTC w i t h the HDS.
3. Check for Temporary DTCs or DTCs in the DTCs
MENU with the HDS.
Is DTC U0110 indicated?
Y E S — G o t o step 4.
NO—Intermittent failure, system is OK at this time.
Check for poor connections or loose terminals at
the MCM, the A/C compressor driver and the
PCM.B
4. Check for Temporary DTCs or DTCs in the DTCs
MENU w i t h the HDS again.
Are DTC U0037 and U0110 indicated at the same
time?
Y E S — G o to troubleshooting DTC U0037 (see page
11-180).
N O — G o t o step 5.
5. Check for Temporary DTCs or DTCs in the DTCs
MENU w i t h the HDS again.
Are DTC U0110, U0164 and U1201 indicated at
the same time?
Y E S — G o t o step 6.
NO—Substitute a known-good M C M (see page
12-8), then g o t o step 15 and recheck. If DTC U0037
is not indicated, replace the original M C M , then go
to step 15.
6. Turn the ignition switch OFF.
7. J u m p the SCS line w i t h the HDS.
8. Disconnect PCM connector D(17P).
9. Remove the IPU lid (see page 12-140).
10. Disconnect M C M connector A (31P) (see page
12-140).
11. Disconnect the A/C compressor driver 4P connector
(see page 21-99).
12. Connect between PCM connector terminal D1 \ D13
to body ground w i t h a j u m p e r wire individually.
PCM C O N N E C T O R D (17P)
IMACANL (BLK)*
1 2
/
4 5 6
/
8 9 10 11 12
13 14
15 16 17
IMACANH (WHT)
J U M P E R WIRE
Wire side of female t e r m i n a l s
(cont'd)
11-187