Honda ACCORD HYBRID 2005 Service Manual page 711

D T C T r o u b l e s h o o t i n g
DTC P0562 (15): Motor Control Module
(MCM) Power Source Circuit Unexpected
Voltage
1. Inspect the No. 7 BACK UP (10 A) fuse in the under-
dash fuse/relay box.
Is the fuse OK?
Y E S — G o t o step 2.
N O - R e p i a c e the No. 7 BACK UP (10 A) fuse, then
go to step 9.
2. Turn the ignition switch ON (II).
3. Check the M C M BACK UP VOLTAGE in the DATA
LIST w i t h the HDS.
Is there less than 4.0 V?
Y E S — G o t o step 4.
NO—Intermittent failure, system is OK at this t i m e .
Check for poor connections or loose terminals at
the No. 7 BACK UP (10 A) fuse and the M C M . B
4. Turn the ignition switch OFF.
5. Turn the battery module switch OFF (see page 12-4).
6. Remove the IPU lid (see page 12-140).
7. Disconnect M C M connector B (24P).
8. Measure voltage between body g r o u n d and M C M
connector terminal B24.
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
V B U (WHT/RED)
(v)
W i r e side of f e m a l e t e r m i n a l s
Is there battery voltage?
Y E S — G o to step 19.
NO—Repair open in the w i r e between the No. 7
BACK UP (10 A) fuse and the M C M (B24), then go to
step 13.
9. Check the No. 7 BACK UP (10 A) fuse again.
Is the fuse OK?
Y E S — G o t o step 19.
NO—Go to step 10.
10. Disconnect M C M connector B (24P).
11. Replace the No. 7 BACK UP (10 A) fuse.
(cont'd)
12-33