Horn
Condition
Neither
high
nor
low
horn
operates
High
Low
horn
does
not
operate
Horn
does
not
stop
to
sound
Reduced
volume
and
or
tone
quality
Body
Electrical
System
Probable
cause
Burnt
fuse
Faulty
horn
button
contact
Horn
sounds
when
@
terminal
of
inst
harness
connector
to
combination
switch
is
grounded
Faulty
horn
relay
Horn
sounds
when
CD
and
ID
terminals
of
engine
harness
to
horn
relay
are
connected
with
a
test
lead
including
15A
fuse
Lo
se
conn
ection
or
open
circuit
Faulty
horn
or
loose
horn
terminal
connee
tion
Break
in
wire
to
horn
Short
circuited
horn
button
and
or
horn
button
lead
wire
When
inst
harness
is
disconnected
from
combination
switch
horn
stops
sounding
Faulty
horn
relay
Loose
or
poor
connector
contact
Fuse
relay
horn
and
or
horn
button
Faulty
horn
Corrective
action
Correct
cause
and
repbce
fuse
Repair
horn
button
Replace
Check
wiring
and
or
repair
connection
Correct
horn
terminal
connection
or
replace
horn
Repair
Repair
horn
button
or
its
wiring
Replace
Repair
Replace
Radio
Noise
prevention
chart
Position
car
in
an
open
area
away
from
steel
buildings
run
engine
extend
antenna
to
its
maximum
length
set
volume
control
to
maximum
and
set
dial
at
a
median
point
where
no
broadcasting
wave
is
received
Condition
Probable
cause
Ignition
system
Noise
o
curs
when
engine
is
operated
High
tension
cable
Ignition
coil
Charging
system
Sound
of
alterilating
current
present
Alternator
When
accelerator
pedal
is
depressed
or
released
noise
occurs
Voltage
regulator
BE
54
Corrective
action
Install
new
high
tension
cable
Replace
O
5
lF
capacitor
installed
to
primary
side
terminal
of
ignition
coil
with
ne
ones
Note
Be
careful
not
to
install
capacitor
to
see
ondary
or
primary
breaker
side
This
will
result
in
improper
engine
operation
Replace
O
5
lF
capacitor
installed
to
charging
ter
minalA
Note
Do
not
use
a
larger
capacitor
Install
a
O
5
lF
capacitor
to
IGN
terminal
of
voltage
regulator
WIRING
DIAGRAM
CIRCUIT
DIAGRAM
Air
conditioner
system
G
DD
w
FUSIBLE
LINK
I
BATTERY
LG
Lr
LG
c
J
LW
J
I
THERMOSTAT
W
W
r
B
B
8
ALTERNATOR
IGNITION
SWITCH
il
W
LB
LLG
J
LOW
PRESSURE
SWITCH
L
c
J
L
c
J
l
J
MAGNET
VALVE
L
c
J
CJ
C
COMPRE
SOR
CLUTCH
LIT
IACC
15A
L1
3
E
FUSE
BLOCK
Air
Conditioning
W
1
8
t
FUSE
20A
MAIN
RELAY
J
rn
W
I
fJ
RESISTOR
Dt
J
M
BLOWER
MOTOR
W
c
J
c
J
C
r
BvM
LW
LY
I
MICRO
SWITCH
B
AC404A
Fig
AC
39
Circuit
Diagram
of
Air
Conditioner
I
AC
25
