Yamaha YJ50RAP Service Manual page 211

EAS00799
3. The turn signal light, turn signal indicator
light or both fail to blink.
1. Turn signal indicator light bulb and socket
• Check the turn signal light bulb and socket
for continuity.
Refer to "CHECKING THE SWITCHES".
• Are the turn signal light bulb and socket
OK?
YES
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 turn sig-
nal light bulb, socket
or both.
NO
Replace the left han-
dlebar switch.
SIGNALING SYSTEM
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 (12 V) on brown 1 at
the turn signal relay coupler (wire harness
side).
• Is the voltage within specification?
7 - 34
ELEC
Br/W
1
Br
YES
The wiring
from the main switch
to the turn signal
relay coupler
faulty and must be
repaired.
– +
NO
circuit
is