Honda ACCORD HYBRID 2005 Service Manual page 811

IMA S y s t e m I n d i c a t o r C i r c u i t T r o u b l e s h o o t i n g
NOTE: If the IMA system indicator stay on or never
comes o n , then do this troubleshooting (if no D T C s
are set).
1. Turn the ignition switch ON (II), and watch the IMA
system indicator.
Does the IMA system indicator come on?
YES — G o to step 2.
NO — G o t o step 4.
2. Turn the ignition switch ON (II), wait 2 seconds, and
watch the IMA system indicator.
Does the IMA system indicator come on and stay
on?
YES — G o t o s t e p 3 .
NO—The IMA system indicator circuit is O K . B
3. Check for T e m p o r a r y DTCs or DTCs w i t h the HDS.
Are any Temporary DTCs or DTCs indicated?
YES—Go to the indicated D T C s troubleshooting.
NO—Do the gauge self-diagnostic function
(see page 22-226).
4. Do the gauge self-diagnostic function (see page
22-226).
Does the IMA system indicator flash?
YES—Go to step 5.
NO—Substitute a known-good gauge control
m o d u l e , and recheck. If the IMA system indicator
circuit is OK, replace the original gauge control
m o d u l e . •
5. Check the 12 V battery terminal connections.
Are the connections OK?
Y E S — G o t o step 6.
NO—Repair the connections or replace the 12 V
battery. •
6. Turn the ignition switch OFF.
7. Turn the battery module switch OFF (see page 12-4).
8. Remove the IPU lid (see page 12-140).
9. Disconnect M C M connector B (24P).
10. Turn the ignition switch ON (II).
11. Measure voltage between M C M connector terminal
B6 and body g r o u n d .
M C M C O N N E C T O R B ( 2 4 P )
IG1
( Y E L )
_ . _ I
1
/
3 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
Wire 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 t o step 12.
N O -
• Repair open or short in the w i r e between the
No. 21 METER (7.5 A) fuse in the under-dash
fuse/relay box and the M C M (B6).
• Replace the No. 21 METER (7.5 A) fuse. •
(cont'd)
12-133