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ELEC
SIGNALING SYSTEM
EAS00799
3. The turn signal light, turn signal indicator
light or both fail to blink.
YES
NO
This circuit is OK. The wiring circuit
from the main switch
to the tail/brake light
coupler is faulty and
must be repaired.
1. Turn signal indicator light bulb and socket
• Check the turn signal light bulb and socket
for continuity.
Refer to “CHECKING THE BULBS AND
BULB SOCKETS”
• Are the turn signal light bulb and socket OK?
YES
NO
Replace the turn sig-
nal light bulb, socket
or both.
2. Turn signal switch
• Check the turn signal switch for continuity.
Refer to “CHECKING THE SWITCHES”.
• Is the turn signal switch OK?
YES
NO
Replace the left han-
dlebar switch.
3. Voltage
• Connect the pocket tester (DC 20 V) to the
turn signal relay coupler (wire harness
side) as shown.
Positive tester probe
→
brown
1
Negative tester probe
→
ground
• Set the main switch to “ON”.
• Measure the voltage (DC 12 V) on brown
1
at the turn signal relay coupler (wire
harness side).
• Is the voltage within specification?
YES
NO
The wiring circuit from
the main switch to the
turn signal relay cou-
pler is faulty and must
be repaired.
4. Voltage
• Connect the pocket tester (DC 20 V) to the
turn signal relay coupler (wire harness
side) as shown.
Positive tester probe
→
brown/white
1
Negative tester probe
→
ground
• Set the main switch to “ON”.
• Measure the voltage (DC 12 V) on brown/
white
1
at the turn signal relay coupler
(wire harness side).
• Is the voltage within specification?
YES
NO
The turn signal relay
is faulty and must be
replaced.
5. Voltage
• Connect the pocket tester (DC 20 V) to the
turn signal light connector or meter assem-
bly coupler (wire harness side) as shown.
È
Front turn signal light
É
Rear turn signal light
Ê
Turn signal indicator light