Yamaha MT-01 Service Manual page 843

Manuals by Motomatrix / www.motomatrix.co.uk
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 R
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 R
1. Positive battery terminal
2. Negative battery terminal
3. Positive tester probe
4. Negative tester probe
Result
Continuity
(between "3" and "4")
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ELECTRICAL COMPONENTS
Headlight relay
3
4
+
2
1. Positive battery terminal
2. Negative battery terminal
3. Positive tester probe
4. Negative tester probe
Muffler cooling fan motor relay
3
4
+
2
1. Positive battery terminal
2. Negative battery terminal
3. Positive tester probe
4. Negative tester probe
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.
7-97
1
Y/B R/Y
G/L
R/Y
Result
Continuity
(between "3" and "4")
1
G/Y R/B
L
Br/W
Result
Continuity
(between "3" and "4")
Turn signal/hazard relay input
voltage
DC 12 V
+
+