Yamaha YZF-R6 99 Service Manual page 374

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
relay coupler (wire harness side) 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
turn signal relay coupler (wire harness side).
S Is the voltage within specification?
YES
5. Voltage
S Connect the pocket tester (DC 20 V) to the
turn signal relay coupler (wire harness side)
as shown.
NO
Replace the left han-
dlebar switch.
1
1 at the
NO
The wiring circuit
from the main switch
to the turn signal relay
coupler (turn signal
relay side) is faulty
and must be repaired.
SIGNALING SYSTEM
Tester positive probe ! brown/white
Tester negative probe ! ground
S Set the main switch to "ON".
S Set the turn signal switch to "
S Measure the voltage (12 V) or brown/white at
the turn signal relay coupler (wire harness
side).
S Is the voltage within specification?
YES
6. Voltage
S Connect the pocket tester (DC 20 V) to the
turn signal light connectors or the meter as-
sembly coupler (wire harness side) as
shown.
A Turn signal light
Turn signal indicator light
B
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
8-40
ELEC
1
" or " ".
NO
The turn signal relay
is faulty and must be
replaced.
1
2
B