Checking The Relays - Yamaha 2007 XP500 Service Manual

Refer to "GENERAL CHASSIS" on page 4-1.
EAS28040

CHECKING THE RELAYS

Check each switch for continuity with the pocket
tester. If the continuity reading is incorrect, re-
place the relay.
Pocket tester
90890-03112
Analog pocket tester
YU-03112-C
1. Disconnect the relay from the wire harness.
2. Connect the pocket tester (Ω× 1) and battery
(12 V) to the relay terminal as shown.
Check the relay operation.
Out of specification → Replace.
1. Positive battery terminal
2. Negative battery terminal
3. Positive tester probe
4. Negative tester probe
Relay operation
Continuity/No continuity
(between "3" to "4")
Starting circuit cut-off relay 1
1. Positive battery terminal
2. Negative battery terminal
3. Positive tester probe
4. Negative tester probe
ELECTRICAL COMPONENTS
Result
Continuity → OK
No continuity → Replace.
Starting circuit cut-off relay 2 (XP500A)
1. Positive battery terminal
2. Negative battery terminal
3. Positive tester probe
4. Negative tester probe
Result
Continuity → OK
No continuity → Replace.
Radiator fan motor relay
1. Positive battery terminal
2. Negative battery terminal
3. Positive tester probe
4. Negative tester probe
Result
Continuity → OK
No continuity → Replace.
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