Honda ACCORD HYBRID 2005 Service Manual page 2003

4. Measure resistance between the No. 3 and No. 11
terminals of the audio unit connector (20P). The
resistance shoald be as s h o w n in the table.
AUDIO UNIT C O N N E C T O R A (20P)
ORN
n n P> n n
1 2 3
4
5
6
7 8 9 10
I
WHT
11 12
t
13
j
/
15 16 17 18
l
j
19
j
20
W i r e side of female t e r m i n a l s
RADIO REMOTE SWITCH TABLE
Button held down VOL
DOWN
VOL UP C H ( - ) CH(+) MODE (NONE)
Resistance about
100
Q
about
360
Q
about
780
0,
about
1.7
k Q
about
3.7
10
k ^
Is resistance OK?
Y E S — G o t o step 5.
NO—Repair open or high resistance in the circuit
between the audio unit and the radio remote switch.
If the wires are OK, replace the cable reel (see page
2 4 - 1 5 0 ) . •
5. Check for continuity between the No. 3 terminal of
the audio unit connector A (20P) and body g r o u n d ,
and between the No. 11 t e r m i n a l and body g r o u n d .
There should be no continuity.
AUDIO UNIT C O N N E C T O R A (20P)
n n
ORN
q
n n
1 2 3 4 5 6 7 8 9 10
11 12 13
/
15 16 17 18 19 20
WHT
W i r e side of f e m a l e t e r m i n a l s
Is there continuity?
YES—Repair the short to body g r o u n d in the circuit
between the audio unit and the radio remote switch.
If the w i r e s are OK, replace the cable reel (see page
2 4 - 1 5 0 ) . •
NO—Replace the audio unit (see page 23-71). •
23-37