Yamaha WaveRunner FZR-GX1800 Service Manual page 317

– +
ELEC
Indication system
5
2
R/Y
3
B/Y
4
Y
1
7-62
2. Measure:
• Speed sensor output voltage
Out of specification → Replace the
speed sensor.
Measurement steps:
1. Disconnect the speed sensor coupler 1.
Refer to "Dual analog meter unit and cover
removal" in Chapter 8.
2. Connect the positive battery lead to the
terminal 2, and the negative battery lead
to the terminal 3.
3. Connect the tester leads between the ter-
minal 4 and terminal 3.
4. Rotate the paddle wheel 5 by hand and
measure the output voltage between the
terminal 4 and terminal 3.
Speed sensor output voltage
(dependant on the paddle wheel
position):
Yellow (Y) – Black/yellow (B/Y)
Less than 400 mV/
More than 11.6 V
E
1
2
3
4
5
6
7
8
9