Yamaha YQ50 Service Manual page 176

3. Flasher does not work
1. Bulb and socket
• Check the bulb and socket for continuity.
2. "TURN" switch
• Disconnect the handlebar switch (left) from
the wire harness.
• Check for continuity between :
Left side : Brown / White Q and Chocolate W
Right side : Brown / White Q and Dark green E
3. Voltage
• Connect the pocket tester (DC20V) to the
flasher relay.
Pocket tester (+) lead © Brown Q
Pocket tester (-) lead © Ground
• Turn the main switch to ON.
• Check the voltage (12V) between the "Brown"
lead and the ground.
CONTINUITY
Ch BrW Dg
L
N
R
G B Y
-
Ch Dg
BrW L
P BrW
CONTINUITY
-
Br/W
- Br
MEETS
SPECIFICATION
8-26
SIGNAL SYSTEM
NO CONTINUITY
Replace bulb or socket.
NO CONTINUITY
Left handlebar switch is defect © Replace.
DOES NOT MEET SPECIFICATION
Defect in the wire harness between the main
switch and the flasher relay © Repair.
ELEC