Honda ACCORD HYBRID 2005 Service Manual page 813

18. Measure voltage between body g r o u n d and MCM
relay 1 4P connector terminals No. 2 and No. 4
individually.
MCM R E L A Y 1 4P C O N N E C T O R
B (WHT)
1
2
2
1
4
+ B (WHT)
(YXY)
Wire side of female t e r m i n a l s
Is there battery voltage?
Y E S — G o to step 20.
N O -
• Repair open in the w i r e between the IMA (7.5 A)
and M C M relay 1. Also replace the IMA (7.5 A)
fuse.
• Repair short in the w i r e between M C M relay 1,
M C M relay 2, and M C M (B7).
• Repair open in the w i r e between the IMA (7.5 A)
and OPTION (40 A) fuse. Also replace the
OPTION (40 A) f u s e . B
19. Reconnect M C M relay 1.
20. Turn the ignition switch ON (II).
2 1 . Measure voltage between M C M connector terminal
B15 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
IGHLD
(WHT/RED)
W i r e side of female t e r m i n a l s
Is there battery voltage?
Y E S — G o to step 22.
NO—Repair open in the w i r e between M C M relay 1
and the M C M (B15).B
22. Turn the ignition switch OFF.
23. Check for continuity between M C M connector
terminals B7 and M C M relay 1 4P connector
t e r m i n a l No. 1.
MCM C O N N E C T O R B (24P)
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
IGA1
( R E D / B L U )
W i r e side of female t e r m i n a l s
MCM R E L A Y 1
4P C O N N E C T O R
IGA1 (RED/BLU)
4 X 3
1
2 2
1
3 ^ 4
W i r e side of female t e r m i n a l s
Is there continuity?
Y E S — U p d a t e 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 , then
recheck (see page 12-8). If the s y m p t o m / i n d i c a t i o n
goes away w i t h a k n o w n - g o o d M C M , replace the
original M C M (see page 12-8). •
NO—Repair open in the w i r e between M C M relay 1
and the M C M (B7).B
12-135