Yamaha XP500 2002 Supplementary Service Manual page 38

6. Voltage
S Connect the pocket tester (20 V DC) to the
turn signal relay coupler (wire harness side)
as shown.
Tester positive probe !
brown/red
Tester negative probe ! ground
S Set the main switch to "ON".
S Measure the voltage (12 V) of brown
the turn signal relay coupler (wire harness
side).
S Is the voltage within specification?
YES
7. Voltage
S Connect the pocket tester (20 V DC) to the
turn signal relay coupler (wire harness side)
as shown.
Tester positive probe ! brown/white
Tester negative probe ! ground
1
(for EUR)
brown 1 (for OCE)
1 at
NO
The wiring circuit
from the main switch
to the turn signal
relay coupler is faulty
and must be re-
paired.
1
–32–
SIGNAL SYSTEM
S Set the main switch to "ON".
S Set the turn signal switch to "
S Measure the voltage (12 V) on brown/white
at the turn signal relay coupler (wire har-
1
ness side).
S Is the voltage within specification?
YES
8. Voltage
S Connect the pocket tester (20 V DC) to the
turn signal light coupler (wire harness side)
as shown.
Front turn signal light
A
B Rear turn signal 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
S Set the main switch to "ON".
S Set the turn sighal switch to "
S Measure the voltage (12 V) of the chocolate
1
or dark green 2
coupler (wire harness side).
S Is the voltage within specification?
YES
This circuit is OK.
ELEC
" or " ".
NO
The turn signal relay
is faulty and must be
replaced.
1
2
B
" or " ".
on the turn signal light
NO
The wiring circuit
from the turn signal
switch, hazard
switch to the turn sig-
nal light connecter is
faulty and must be
repaired.