Yamaha XV1600A1999 Service Manual page 431

3. Turn signal switch
S Check the turn signal switch for continuity.
Refer to "CHECKING THE SWITCHES".
S Is the turn signal switch OK?
YES
4. Voltage
S Connect the pocket tester (DC 20 V) to the
turn signal relay coupler as shown.
Tester positive probe ! brown
Tester negative probe ! ground
S Set the main switch to "ON".
S Measure the voltage (12 V) of brown
the turn signal relay coupler.
S Is the voltage within specification?
YES
5. Voltage
S Connect the pocket tester (DC 20 V) to the
turn signal relay coupler as shown.
Tester positive probe ! brown/white
Tester negative probe ! ground
SIGNALING SYSTEM
NO
Replace the left han-
dlebar switch.
1
at
1
NO
The wiring circuit
from the main switch
to the turn signal
relay coupler is faulty
and must be re-
paired.
1
S Set the main switch to "ON".
S Set the turn signal switch to "L" or "R".
S Measure the voltage (12 V) of brown/white
at the turn signal relay coupler.
S Is the voltage within specification?
YES
6. Voltage
S Connect the pocket tester (DC 20 V) to the
turn signal light connectors (wire harness
side) or the meter assembly coupler as
shown.
Turn signal light
A
B Turn signal indicator light
Left turn signal light
Tester positive probe ! chocolate
Tester negative probe ! ground
Right turn signal light
Tester positive probe ! dark green
Tester negative probe ! ground
A
7-41
ELEC
NO
The turn signal relay
is faulty and must be
replaced.
1
2
E