SELVA MARINE Blue Whale 250 EFI, Service Manual

Page: 326 / 377

ELEC
Electrical system
– +
8-21
6P23H11
2. Check the engine start switch for continu-
ity at the 10-pin main harness coupler
(engine start switch end). Check the wir-
ing harness or replace the engine start
switch if there is no continuity.
Checking the engine stop lanyard
switch
1. Disconnect the 10-pin main harness cou-
pler.
2. Turn the engine start switch to ON.
3. Check the engine stop lanyard switch for
continuity at the 10-pin main harness
coupler (engine stop lanyard switch end).
Check the wiring harness or replace the
engine stop lanyard switch if out of speci-
fication.
ECM and electronic throttle valve
control system
8
Checking the main relay and
electronic throttle valve relay
1. Remove the main relay
1
and electronic
throttle valve relay
2
.
2. Connect the digital circuit tester (check-
ing continuity) leads to relay terminals
3
and
4
.
3. Connect the positive battery lead to the
relay terminal
5
.
4. Connect the negative battery lead to the
relay terminal
6
.
Switch
position
Lead color
White
(W)
1
Black
(B)
2
Red
(R)
3
Yellow
(Y)
4
Brown
(Br)
5
Off
On
Start
OFF
ON
START
OFF
ON
START
1
2
3
4
5
S6P28360
Switch
position
Lead color
White (W)
1
Black (B)
2
Clip removed
Clip installed
1
2
S6P28370E
S6P28150
2
1