Yamaha YJ50RAP Service Manual page 212

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".
• Set the turn signal switch to "
" ".
• Measure the voltage (12 V) on brown/
white 1 at the turn signal relay coupler
(wire harness side).
• Is the voltage within specification?
YES
1
Br/W
Br
" or
NO
The turn signal relay
is faulty and must be
replaced.
SIGNALING SYSTEM
5. Voltage
• Connect the pocket tester (DC 20 V) to the
turn signal light connector (wire harness
side) as shown.
È Turn signal light
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
É Turn signal indicator light
Positive tester probe → brown 3
Negative tester probe → brown/white 4
È
É
• Set the main switch to "ON".
• Set the turn signal switch to "
" ".
• Measure the voltage (12 V) of the choco-
late 1 or dark green 2 at the turn signal
light connector (wire harness side).
• Is the voltage within specification?
This circuit is OK.
7 - 35
ELEC
4
Br B B Br
Y Br/W Br/W Y
Gy
Gy
YES
The wiring circuit
from the turn signal
switch to the turn
signal light connec-
tor is faulty and
must be repaired.
– +
3
" or
NO