Yamaha YFM350R-W Supplementary Service Manual page 68

5. 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
6. Voltage
• Connect the pocket tester (DC 20 V) to the
turn signal light coupler or meter assembly
coupler (wire harness side) as shown.
È Front turn signal light assembly (left)
É Front turn signal light assembly (right)
Ê Rear turn signal light assembly (left)
Ë Rear turn signal light assembly (right)
Ì Meter assembly
Left turn signal light
Positive tester probe → chocolate 1
Negative tester probe → ground
Right turn signal light
Positive tester probe → dark green 2
Negative tester probe → ground
Br/W
Br/L
1
NO
The turn signal relay
is faulty and must be
replaced.
SIGNALING SYSTEM
È
Ch
B
B
Ch
1
Ê
Ch B
Ch B
1
Ì
1
• Set the main switch to "ON".
• Set the turn signal switch to "
• Measure the voltage (DC 12 V) of the
chocolate 1 or dark green 2 at the turn
signal light coupler or meter assembly
coupler (wire harness side).
• Is the voltage within specification?
Replace the meter
assembly.
– 61 –
ELEC
É
Dg
B
Dg
B
Ë
Dg
Dg
Dg
2
P W Br V Y
Y/B
Ch B
Br/L Br/L Dg Y
2
YES
The wiring
from the turn signal
switch to the turn sig-
nal light coupler or
meter assembly cou-
pler is faulty and
must be repaired.
– +
2
B
B
" or " ".
NO
circuit