SELVA MARINE Wahoo 15 Service Manual page 277

Symptom 1: Engine does not crank (electric starter model)
Symptom 2
Starter motor does
not operate
Starter motor oper-
ates, but the engine
does not crank
WD: See the wiring diagram.
6AG3J11
Cause 1
Shift lever or
remote control lever
not in the neutral
position
Blown fuse
Engine start button
or engine start
switch malfunction
Neutral switch mal-
function
Starter relay mal-
function
Short, open, or
loose connection in
starter motor circuit
Starter motor mal-
function
Stuck piston
Piston lock due to
water in the com-
bustion chamber
Stuck drive shaft Buildup of foreign
material on the
drive shaft and
bushing
Malfunction of the
lower unit internal
parts
Starter motor mal-
function
Troubleshooting the outboard motor
Cause 2 Checking step
Set the shift lever or
remote control lever
—
to the neutral posi-
tion.
— Check the fuse.
Check the engine
— start button or
engine start switch.
Check the neutral
—
switch.
Check the starter
—
relay.
Check the wiring
— harness continuity.
Disassemble and
— check the starter
motor.
Disassemble and
check the power
—
unit.
Disassemble and
check the upper
case. (L-transom
model only)
Disassemble and
check the lower
unit.
Disassemble and
— check the starter
motor.
Refer
to
1
page
3-9
3-10
2
8-18
8-18
3
8-19
8-20
8-21
4
WD
8-14
5
5-1
6
7-15
7
6-12
8-14
8
9
9-2