Yamaha XV1700PCRC Service Manual page 495

EAS00759
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
3
2
1
Br/B L B/R L/W
L/R L/G L/Y Sb B/Y Lg
• Does the starting circuit cut-off relay have
continuity between blue and blue/white?
YES
EAS00760
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.
ELECTRIC STARTING SYSTEM
4
+
R/L
NO
Replace the relay
unit.
7 - 25
Positive tester probe →
sky blue 1
Negative tester probe →
black/yellow 2
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
Positive tester probe →
blue/yellow 3
Negative tester probe →
sky blue 1
Positive tester probe →
blue/yellow 3
Negative tester probe →
blue/green 4
4 3 1 2
Br/B L
L/R L/G L/Y Sb B/Y Lg
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?
YES
– +
ELEC
Continuity
No continuity
B/R L/W R/L
NO
Replace the relay
unit.