Honda ACCORD HYBRID 2005 Service Manual page 1995

X M radio preset m e m o r y is lost
1. Set each of the X M radio channel preset buttons.
Do each of the XM radio channel preset buttons
set properly?
YES—Go to step 2.
NO—Replace the audio-HVAC display module
(see page 2 3 - 6 9 ) . •
2. Turn OFF the ignition switch for 1 minute, then turn
it back to ON (II).
3. Test all of the X M radio channel preset buttons for
proper recall operation.
Do the preset buttons recall the set radio stations?
YES—System is normal at this t i m e . Check
connections at the audio u n i t . B
N O — G o t o step 4.
4. Turn the ignition switch to LOCK (0).
5. Measure voltage between audio unit connector A
(20P) No. 10 terminal and body g r o u n d .
AUDIO UNIT C O N N E C T O R A (20P)
PNK
n n -> n n
1 2 3 4
5
6 7 8 9 10
11 12 13
/
15 16 17 18 19 20
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?
YES—Go to step 6.
NO—Repair an open in the w i r e between the driver's
under-dash fuse/relay box and audio unit
connector A (20P) No. 10 t e r m i n a l , fl
6. Check for voltage between audio unit connector A
(20P) No. 20 terminal and body g r o u n d .
AUDIO UNIT C O N N E C T O R A (20P)
n n
P >
n n
1
2
3 4 5 6 7 8 9 10
11 12 13
/
15 16 17 18 19 20
BLK
W i r e side of female t e r m i n a l s
Is there less than 0.1 V?
YES—Replace the audio unit. •
NO—Repair an open in the w i r e between audio unit
connector A (20P) No. 20 terminal and body g r o u n d
(G504).fl
23-29