Signalling System Control - Yamaha SZR 660 Service Manual

SIGNALLING
SYSTEM
SIGNALLING
SYSTEM CONTROL
1
.
The
horn does not work.
1.
Horn
switch.
Detach
the
left
handlebar
switch connectors
from
the
harness-
Connect
the pocket tester (flxl
)
to
the switch
terminals.
Check
the switch
component
for continuity
between "Pink
(1)
and
Black
(2)*
cables.
See
the
"SWITCH CHECK"
section.
o
CORRECT
2.
Voltage.
Connect
the pocket tester
(DC 20V)
to the
horn.
Tester terminal
(+)
«-»
Brown
terminal
(1)
Tester terminal (-) -» Earth on the frame
®-=
Turn the main
switch to
ON.
Check
the voltage (12V) on the "Brown"
ter-
minal
of
the horn.
DISCONTINUITY
The
switch
is
defective.
Replace
the
left
handle-
bar
switch.
OUT OF
SPECIFICATIONS
The
circuit
from the
main
switch
to the
horn
terminal
is
defective. Repair.
$ IN
COMPLIANCE WITH
SPECIFICATIONS
(12V)
SIGNALLING SYSTEM
*
3.
Horn.
Detach the "Pink" cable from horn terminal.
Connect
a special cable
(1 )
to
the horn cable
and
earth the cable.
Turn
the
main
switch
to
ON.
*
THE
HORN DOES
NOT
WORK
4. Voltage.
Connect
the
pocket
tester
(DC 20V)
to
the
"Pink* terminal of the horn.
Tester terminal (+) -» Pink cable
(1)
Tester terminal (-) ->
Earth on
the
frame
Turn
the
main
switch to
ON.
Check
the voltage (12V)
on the"Red* terminal
of the horn.
THE
HORN WORKS
The horn
is
efficient.
OUT OF
SPECIFICATION
The horn
is
defective.
Repair.
o IN
COMPLIANCE WITH
SPECIFICATIONS
(12V)
Repair
or replace the horn.
8-49 8-50