CHASSIS ELECTRICAL ± Multi-Center Display <High Grade>
54A-95
Termi-
Input/
p
Signal Symbol Terminal
Harness Problem
Trouble Symptom Resulting from
na
o.
u
pu
o
age
(V)
Open
Circuit
Short-
circuit
arness
ro
em
8 Output SPEAKER
RL (±)
0 ±
System
f ± No sound is output from rear left
speaker.
vo
age
(AC)
± f No sound is output from rear left and
right speakers.
9 ± ± ± ± ± ±
10 Input ACC (ACC power
pp
System
f ± Audio power supply does not turn on.
supp
y
(Battery voltage)
vo
age
± f Blown multipurpose fuse.
11 Input +B
(Battery voltage)
System
voltage
f ± Cassette is not ejected when ACC
power turned off.
Contents of memory are cleared.
± f Blown multipurpose fuse.
12 Input ILL (±) ± ± ± ±
13 Output SPEAKER
FL (±)
0 ±
System
f ± No sound is output from front left
speaker.
vo
age
(AC)
± f No sound is output from front left and
right speakers.
14 Output SPEAKER
FR (±)
0 ±
System
f ± No sound is output from front right
speaker.
vo
age
(AC)
± f No sound is output from front left and
right speakers.
21 Input/
Output
M±DATA Hi:
4 or more
Lo:
1 or less
f f Panel switches cannot be operated.
22 Input/
Output
M±SCK Hi:
4 or more
Lo:
1 or less
f f Panel switches cannot be operated.
23 ± ± ± ± ± ±
24 Output G+SYNC 0 ± 5 f f Abnormal navigation screen color.
25 Output B+SYNC 0 ± 5 f f Abnormal navigation screen color.
26 ± 28 ± ± ± ± ± ±
29 Input/
Output
M±BUSY Hi:
4 or more
Lo:
1 or less
f f Panel switches cannot be operated.
30 ± SHIELD EARTH
(M±BUS)
± ± ± ±