Yamaha FJR1300R, Service Manual

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ELEC
FUEL INJECTION SYSTEM
YES
NO
YES
NO
EAS00818
YES
NO
13.Atmospheric pressure sensor output volt-
age
• Connect the pocket tester (DC 20 V) to the
atmospheric pressure sensor coupler termi-
nal as shown.
Tester positive probe
→
blue
1
Tester negative probe
→
black/blue
2
• Set the main switch to “ON”.
• Measure the atmospheric pressure sensor
output voltage.
Atmospheric pressure sensor
output voltage
3.75 ~ 4.25 DCV
• Is the atmospheric pressure sensor OK?
Replace the atmo-
spheric pressure
sensor.
L B / L P
14.AI system solenoid
• Remove the AI system solenoid coupler
from the wire harness.
• Connect the pocket tester (
Ω ×
1) to the AI
system solenoid terminal as shown.
Tester positive probe
→
brown
1
Tester negative probe
→
brown/red
2
• Measure the AI system solenoid resistance.
AI system solenoid resistance
19 ~ 25
Ω
at 20 °C (68 °F)
• Is the AI system solenoid OK?
Replace the AI sys-
tem solenoid.
15.Wiring
• Check the entire fuel injection system’s wir-
ing.
Refer to “CIRCUIT DIAGRAM”.
• Is the fuel injection system’s wiring properly
connected and without defects?
Replace the ECU. Properly connect or
repair the fuel injec-
tion system’s wiring.
Br
Br / R