Yamaha YJ125S Service Manual page 275

EAS00799
3. The turn signal light, turn signal indicator
light or both fail to blink.
1. Turn signal light and turn signal indicator
light bulbs and sockets
8 Check the turn signal light bulb and
socket for continuity.
Refer to "CHECKING THE BULBS AND
BULB SOCKETS"
8 Check the turn signal indicator light bulb
and socket for continuity.
Refer to "CHECKING THE BULBS AND
BULB SOCKETS"
8 Are the turn signal light bulb and socket
OK?
YES
2. Turn signal switch
8Check the turn signal switch for continu-
ity.
Refer to "CHECKING THE SWITCHES".
8Is the turn signal switch OK?
YES
NO
Replace the turn
signal light and/or
turn signal indicator
light bulb, socket or
both.
NO
Replace the left
handlebar switch.
SIGNALING SYSTEM
3. Voltage
8Connect the pocket tester (DC 20 V) to
the turn signal relay coupler (wire har-
ness side) as shown.
Positive tester probe
Negative tester probe
8Set the main switch to "ON".
8Measure the voltage (DC 12 V) on brown
1 at the turn signal relay coupler (wire
harness side).
8Is the voltage within specification?
YES
7-37
-
ELEC
brown 1 1 1 1 1
ground
B Br
Br/W
1
NO
The wiring circuit from
the main switch to the
turn signal relay coupler
is faultyand must be re-
paired.
Refer to "CIRCUIT DIA-
GRAM".
+