Yamaha XV1700PCR Road Star Warrior, Service Manual

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ELEC
ELECTRIC STARTING SYSTEM
EAS00759
YES
NO
EAS00760
YES
NO
4. Relay unit (starting circuit cut-off relay)
• Remove the relay unit from the wire har-
ness.
• Connect the pocket tester (
Ω ×
1) and bat-
tery (12 V) to the relay unit terminals as
shown.
Positive battery terminal
→
black/red
1
Negative battery terminal
→
black/yellow
2
Positive tester probe
→
blue
3
Negative tester probe
→
blue/white
4
• Does the starting circuit cut-off relay have
continuity between blue and blue/white?
Replace the relay
unit.
5. Relay unit (diode)
• Remove the relay unit from the wire har-
ness.
• Connect the pocket tester (
Ω ×
1) to the
relay unit terminals as shown.
• Measure the diode for continuity as fol-
lows.
L / G L / Y Sb B / Y Lg
B / R L / W
L / R
R / L Br / B L
+
3
1
2
4
Positive tester probe
→
sky blue
1
Negative tester probe
→
black/yellow
2
Continuity
Positive tester probe
→
sky blue
1
Negative tester probe
→
blue/yellow
3
Positive tester probe
→
blue/green
4
Negative tester probe
→
blue/yellow
3
Positive tester probe
→
black/yellow
2
Negative tester probe
→
sky blue
1
No continuity
Positive tester probe
→
blue/yellow
3
Negative tester probe
→
sky blue
1
Positive tester probe
→
blue/yellow
3
Negative tester probe
→
blue/green
4
NOTE:
_
When you switch the tester’s positive and
negative probes, the readings in the above
chart will be reversed.
• Are the testing readings correct?
Replace the relay
unit.
L / G L / Y Sb B / Y Lg
B / R L / W
L / R
R / L Br / B L
4 3 1 2