Yamaha F350B - Page 148

4-21
Outboard motor troubleshooting
181
Remote control
system (Sub
station [LPS Ir-
regular signal])
“Check Engine” is displayed.
Locked at engine idle speed.
Throttle does not operate.
Shift actuator rod returns to the
N position.
Alert indicator is ON.
Measure the LPS output volt-
age using the YDIS.
*1
Check for wiring continuity be-
tween the LPS and the Digital
Electronic Control ECM.
183
Remote control
system (LPS Ir-
regular signal
[Digital Elec-
tronic Control
ECM internal
circuit malfunc-
tion])
“Check Engine” is displayed.
Station selection is impossible.
Alert indicator is ON.
Replace the Digital Electronic
Control ECM of the main sta-
tion.
(When replacing the Digital
Electronic Control ECM with a
new one, resetting of Digital
Electronic Control ECM is nec-
essary.)
*1
184
Remote control
system (LPS Ir-
regular signal
[Digital Elec-
tronic Control
ECM internal
circuit malfunc-
tion])
“Check Engine” is displayed.
Engine selection is impossible.
Alert indicator is ON.
Replace the Digital Electronic
Control ECM of the main sta-
tion.
(When replacing the Digital
Electronic Control ECM with a
new one, resetting of Digital
Electronic Control ECM is nec-
essary.)
*1
186
Remote control
system (Main
station [LPS Ir-
regular signal])
Sub station Digital Electronic
Control does not operate.
Unable to change to the sub
station Digital Electronic Con-
trol. Locked at engine idle
speed.
Shift actuator rod returns to the
N position.
Alert indicator is ON.
Turn off the “POWER” switch
once, and turn it on again.
—
Check the extension wire har-
ness for proper connection
and damage.
—
187
Remote control
system (LPS Ir-
regular signal
[Digital Elec-
tronic Control
ECM internal
circuit malfunc-
tion])
“Check Engine” is displayed.
Engine does not restart.
Alert indicator is ON.
Replace the Digital Electronic
Control ECM.
(When replacing the Digital
Electronic Control ECM with a
new one, resetting of Digital
Electronic Control ECM is nec-
essary.)
*1
223
SBW system
(Irregular sig-
nal)
Stop engine synchronization
control.
Check detail by using YDIS
CAN communication cable.
—
224
SCU (Irregular
signal)
Stop engine synchronization
control.
Check detail by using YDIS
CAN communication cable.
—
Trou-
ble
code
Item (Condition) Symptom Checking steps
Se
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