Checking The Turn Signal/Hazard Relay - Yamaha MT-01 T 2005 Service Manual

Relay unit (starting circuit cut-off relay)
1 3 2 4
Sb/W B/R L
R/L L/R
L/G L/Y Sb B/Y L/W
1. Positive battery terminal
2. Negative battery terminal
3. Positive tester probe
4. Negative tester probe
Result
Continuity
(between "3" and "4")
Relay unit (fuel pump relay)
1 4 3 2
Sb/W
B/R L R/L L/R
L/G L/Y Sb B/Y L/W
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
Y/B R/Y
G/L
R/Y
1. Positive battery terminal
+
R
+
R
+
ELECTRICAL COMPONENTS
2. Negative battery terminal
3. Positive tester probe
4. Negative tester probe
Result
Continuity
(between "3" and "4")
Muffler cooling fan motor relay
3
4
2
G/Y
L
Br/W
1. Positive battery terminal
2. Negative battery terminal
3. Positive tester probe
4. Negative tester probe
Result
Continuity
(between "3" and "4")
ET5YU1021
CHECKING THE TURN SIGNAL/HAZARD
RELAY
1. Check:
• Turn signal/hazard relay input voltage
Out of specification → The wiring circuit from
the main switch to the turn signal/hazard re-
lay coupler is faulty and must be repaired.
Turn signal/hazard 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/hazard relay terminal as shown.
Pocket tester
90890-03112
Analog pocket tester
YU-03112-C
• Positive tester probe →
brown/green "1"
• Negative tester probe →
ground
7-97
+
1
R/B
M M MMM M M MMM M M MMM M MMM