Yamaha WaveRunner VXR VX1800A, Service Manual

Page: 247 / 318

Indication system
7-40
Indication system
Multifunction meter check
1. Check the multifunction meter external ap-
pearance. Replace the multifunction meter
if there is cracked meter housing, fogged
meter, or water intrusion.
2. Supply power to the ECM, and then check
that all indicator lights “a” and display ele-
ments “b” on the multifunction meter come
on. Replace if it does not operate properly.
TIP:
When the multifunction meter is activated, all
displays come on for 2 seconds, and then the
multifunction meter starts to operate normally.
3. Check the multifunction meter display. Re-
place the multifunction meter if there is in-
termittent or missing segment “a”.
4. Disconnect the multifunction meter cou-
pler “a”.
5. Supply power to the ECM, and then mea-
sure the input voltage at the multifunction
meter coupler terminals (wire harness
end). Replace the wire harness if out of
specification. Replace the multifunction
meter if within specification and there is no
display on the multifunction meter.
6. Connect the multifunction meter coupler.
Speed sensor check
1. Remove the speed sensor. See “Intake
grate and ride plate” (6-1), and then check
the speed sensor paddle wheel “a”. Re-
place the speed sensor if there are cracks,
damage, or rough movement.
2. Install the speed sensor. See “Intake grate
and ride plate” (6-1).
3. Disconnect the speed sensor coupler “a”.
a b a
a
a
Input voltage
12 V (battery voltage)
Red/Yellow (R/Y)–Black (B)
B
R/Y
a
a
a