Checking The Turn Signal Relay - Yamaha WR125R 2009 Service Manual

Starter relay
3
1. Positive battery terminal
2. Negative battery terminal
3. Positive tester probe
4. Negative tester probe
Result
Continuity
(between "3" and "4")
Starting circuit cut-off relay
1
2
1. Positive battery terminal
2. Negative battery terminal
3. Positive tester probe
4. Negative tester probe
Result
Continuity
(between "3" and "4")
Headlight relay
3
4
2
1
W/ R/Y
B
L/
B
R/Y
1. Positive battery terminal
1 2
4
R R/W
R/B L/B
3
4
R/B L/W
R/W L/B
+
ELECTRICAL COMPONENTS
2. Negative battery terminal
3. Positive tester probe
4. Negative tester probe
Result
Continuity
(between "3" and "4")
Radiator fan motor relay
3
4
2
G/B
L
R/W
1. Positive battery terminal
2. Negative battery terminal
3. Positive tester probe
4. Negative tester probe
Result
Continuity
(between "3" and "4")
EAS22B1024

CHECKING THE TURN SIGNAL RELAY

1. Check:
• Turn signal relay input voltage
Out of specification → The wiring circuit from
the main switch to the turn signal relay cou-
pler is faulty and must be repaired.
Turn signal relay input voltage
DC 12 V
M MMM M MMM M M MMM
a. Connect the pocket tester (DC 20 V) to the
turn signal relay terminal as shown.
Pocket tester
90890-03112
Analog pocket tester
YU-03112-C
• Positive tester probe →
brown "1"
• Negative tester probe →
ground
8-68
+
1
R/B
M M MMM M M MMM M M MMM M MMM