Honda ACCORD HYBRID 2005 Service Manual page 755

DTC POACC (53): Battery Module
Temperature Sensor 3 Circuit Low Voltage
1. Turn the ignition switch ON (II).
2. Check the BATT. MDLS TEMP S3 in the DATA LIST
w i t h the HDS.
Is about 0.05 V or less indicated?
Y E S — G o t o step 3.
NO—Intermittent failure, system is OK at this t i m e .
Check for poor connections or loose terminals at
the battery module and the M C M . B
3. Turn the ignition switch OFF.
4. Turn the battery module switch OFF (see page 12-4).
5. Remove the IPU lid (see page 12-140).
6. Disconnect the battery module 6P connector.
7. Turn the ignition switch ON (II).
8. Check the BATT. MDLS TEMP S3 in the DATA LIST
w i t h the HDS.
Is about 0.05 V or less indicated?
Y E S — G o t o step 9.
NO—Replace the battery m o d u l e (see page 12-146),
then go to step 12.
9. Turn the ignition switch OFF.
10. Disconnect M C M connector B (24P).
11. Check for continuity between M C M connector
terminal B9 and body g r o u n d .
MCM C O N N E C T O R B (24P)
I
1
3 ^ 5
6 7
8 9 / 1 1 1 2 1 3 1 4 1 5
/
1 7 1 8 1 9 2 0 2 1 2 2 2 3 2 4
TBATT3 (WHT)
Wire side of female t e r m i n a l s
Is there continuity?
YES—Repair short in the w i r e between the battery
m o d u l e and the M C M (B9), then go to step 12.
N O — G o t o step 18.
12. Turn the ignition switch OFF.
13. Reconnect all connectors.
14. Reinstall the IPU lid (see page 12-140), then t u r n the
battery m o d u l e switch ON (see page 12-4).
15. Turn the ignition switch ON (II).
16. Reset the M C M (see page 12-6).
17. Check for Temporary DTCs or DTCs w i t h the HDS.
Are any Temporary DTCs or DTCs indicated?
YES—If DTC POACC is indicated, check for poor
connections or loose terminals at the battery
m o d u l e and the M C M , 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 c o m p l e t e . •
18. Reinstall the IPU lid (see page 12-140), then t u r n the
battery m o d u l e switch ON (see page 12-4).
19. Update the M C M if it does not have the latest
software, or substitute a k n o w n - g o o d M C M
(see page 12-8).
(cont'd)
12-77