Service manual

SIGNALING SYSTEM
ELEC
+i
EAS00796
CHECKING THE SIGNALING SYSTEM
1. The horn fails to sound.
1. Horn switch
• Check the horn switch for continuity.
Refer to “CHECKING THE SWITCHES”.
• Is the horn switch OK?
YES
V
*
NO
Replace the left
handlebar switch.
2. Voltage
• Connect the pocket tester (DC 20 V) to the
horn connector at the horn terminal as
shown.
Positive tester probe -»brown ©
Negative tester probe -> ground
X
€>
w
&
s. Br P
VL J.
• Set the main switch to “ON”.
• Push the horn switch.
• Measure the voltage (DC 12 V) of brown at
the horn terminal.
• Is the voltage within specification?
YES
V
4
NO
The wiring circuit from
the main switch to the
horn connector is faulty
and must be repaired.
Refer to “CIRCUIT DIA-
GRAM”.
3. Horn
• Disconnect the pink connector at the horn
terminal.
• Connect a jumper lead © to the horn termi-
nal and ground the jumper lead.
• Set the main switch to “ON”.
• Push the horn switch.
• Does the horn sound?
T
Br
-©
I
NO YES
V
The horn is OK.
4. Voltage
• Connect the pocket tester (DC 20 V) to the
horn connector at the pink terminal as shown.
Positive tester probe -» pink ©
Negative tester probe -> ground
r r
Br P
L J
©
to)
X
• Set the main switch to “ON”.
• Measure the voltage (DC 12 V) of pink © at
the horn terminal.
• Is the voltage within specification?
V
YES
4
NO
Repair or replace
the horn.
Replace the horn.
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