Yamaha FJR1300N 2001 Service Manual page 571

Crankshaft position sensor resis-
tance
420 ~ 569 Ω at 20 °C
(between gray and black)
• Is the crankshaft position sensor OK?
YES
8. Cylinder identification sensor output volt-
age
• Connect the pocket tester (DC 20 V) to the
cylinder identification sensor coupler termi-
nal as shown.
Tester positive probe → white 1
Tester negative probe → black/blue 2
W L/Y
• Set the main switch to "ON".
• Measure the cylinder identification sensor
output voltage.
Cylinder identification sensor
output voltage
When sensor is on
DC 4.8 V or more
When sensor is off
DC 0.6 V or less
• Is the cylinder identification sensor OK?
YES
FUEL INJECTION SYSTEM
NO
Replace the crank-
shaft position sensor.
L W/B
B/L
B/L
NO
Replace the cylinder
identification sensor.
9. Speed sensor output voltage
• Measure the speed sensor output voltage.
• Connect the pocket tester (DC 20 V) to the
speed sensor coupler terminal as shown.
Tester positive probe → white 1
Tester negative probe → black/blue 2
• Measure the speed sensor output voltage.
Speed sensor output voltage
When sensor is on
DC 4.8 V or more
When sensor is off
DC 0.6 V or less
• Is the speed sensor OK?
8 - 55
ELEC
W L/Y L W/B
B/L
B/L
YES
Replace the speed
sensor.
– +
NO