Engine Electric Control System; Checking The Cdi Unit; Checking The Thermoswitch - SELVA MARINE Wahoo 15 Service Manual

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ELEC
2. Turn the engine start switch to "ON," and
then check the engine stop lanyard
switch for continuity at the 10-pin main
harness coupler (remote control box
end). Check the wiring harness or
replace the engine stop lanyard switch if
out of specification.
ON
OFF
1
2
Engine stop lanyard switch
continuity:
White (W) 1 – Black (B) 2
Switch position
Clip installed
Clip removed
3. Turn the engine start switch to "OFF."
4. Connect the 10-pin main harness cou-
pler.

Engine electric control system

Checking the CDI unit

1. Measure the CDI unit 1 output peak
voltage. Replace if below specification.
8-25
Electrical system
START
S6AG8160
Continuity
No
Yes
17
18
1
NOTE:
• To prevent the engine from starting when
cranking it, be sure to disconnect both
spark plug caps.
• Do not remove the clip from the engine stop
lanyard switch.
• When using the manual starter to crank the
engine, the voltage values may vary
depending on the speed at which the
starter handle is pulled.
• Be sure to check the charge coil and pulser
coil before measuring the CDI unit output
peak voltage.
CDI unit output peak voltage:
Orange (O) – Black (B)
8
8
r/min
Cranking
DC V 140

Checking the thermoswitch

1. Disconnect the thermoswitch 1 connec-
tors.
2. Start the engine, and then measure the
input voltage at the thermoswitch con-
nectors (wiring harness end). Check the
wiring harness if out of specification.
O O
B
B B
Loaded
1,500
150
S6AG8080
3,500
150
8
6AG3J11