Earth Plate Check - Yamaha Waverunner VXS VX1800 Service Manual

a
27
Input voltage
12 V (battery voltage)
Terminal "27"–Ground
3. Disconnect the ECM coupler "b", and then
check the continuity between the ECM
coupler terminals (wire harness end) and
ground. Replace the wire harness if there
is no continuity.
a
46
c a b
a b
b
67 62
70
7-28
ECM circuit continuity
Terminal "46"–Ground
Terminal "62"–Ground
Terminal "67"–Ground
Terminal "70"–Ground
4. Connect the ECM couplers.

Earth plate check

1. Remove the earth plate.
2. Check the continuity between each termi-
nal "a" and the housing "b". Replace the
earth plate if there is no continuity.
a
3. Install the earth plate. See "Cylinder block
and electrical part" (5-67).
Control system
Continuity
b