Yamaha R1 Series 2015 Service Manual page 666

Radiator fan motor relay
R
R/B
R/W
G/Y
1. Positive battery terminal
2. Negative battery terminal
3. Positive tester probe
4. Negative tester probe
Result
Continuity
(between "3" and "4")
EAS30795
CHECKING THE RELAY UNIT (DIODE)
1. Check:
• Relay unit (diode)
Out of specification
Pocket tester
90890-03112
Analog pocket tester
YU-03112-C
TIP
The pocket tester or the analog pocket tester
readings are shown in the following table.
Replace.
ELECTRICAL COMPONENTS
Continuity
Positive tester probe
sky blue "1"
Negative tester probe
black/yellow "2"
No continuity
Positive tester probe
black/yellow "2"
Negative tester probe
sky blue "1"
Continuity
Positive tester probe
sky blue "1"
Negative tester probe
blue/yellow "3"
No continuity
Positive tester probe
blue/yellow "3"
Negative tester probe
sky blue "1"
Continuity
Positive tester probe
sky blue "1"
Negative tester probe
sky blue/white "4"
No continuity
Positive tester probe
sky blue/white "4"
Negative tester probe
sky blue "1"
Continuity
Positive tester probe
blue/black "5"
Negative tester probe
blue/yellow "3"
No continuity
Positive tester probe
blue/yellow "3"
Negative tester probe
blue/black "5"
Br/W L/W
▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼
a. Disconnect the relay unit coupler from the
wire harness.
b. Connect the pocket tester (
8-185
R/W L R/L
L/R L/W R/W L/B L/Y Sb B/Y Sb/W
1) to the relay