Yamaha F30B 2018, Руководство по обслуживанию

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4-5
Outboard motor troubleshooting
Trouble code and checking step
—: Not applicable
Trou-
ble
code
Item (Condition) Symptom Checking steps
See
page
15
Thermo sensor
(Out of specifi-
cation)
“Check Engine” is displayed.
High engine idle speed
Degraded acceleration perfor-
mance
Declining maximum engine
speed
Overheat
Measure the thermo sensor in-
put voltage.
5-32
Measure the thermo sensor re-
sistance.
5-32
Check for wiring continuity be-
tween the thermo sensor and
the engine ECM.
A-15
18
TPS (Out of
specification)
“Check Engine” is displayed.
High engine idle speed
Degraded acceleration perfor-
mance
Measure the TPS output volt-
age and opening angle using
the YDIS.
5-19
Measure the TPS input volt-
age.
5-19
Check for wiring continuity be-
tween the throttle body and the
engine ECM.
A-15
19
Battery voltage
(Below speci-
fied voltage)
Battery voltage and battery
alert are displayed.
Engine operates normally.
Engine does not restart (de-
pends on battery condition).
Check the battery cable and
terminals for proper connec-
tion.
10-7
Measure the lighting coil out-
put peak voltage.
5-26
Measure the lighting coil resis-
tance.
5-26
Measure the rectifier/regulator
output peak voltage.
5-27
Check the rectifier/regulator
for continuity.
5-27
23
Air tempera-
ture sensor
(Out of specifi-
cation)
“Check Engine” is displayed.
High engine idle speed
Check the intake air tempera-
ture using the YDIS.
5-31
Check for wiring continuity be-
tween the throttle body and the
engine ECM.
A-15
27
Water in fuel fil-
ter (Water in
fuel filter) “Water in fuel” is displayed.
Alert buzzer comes on while
the shift is in the N position.
Check the fuel filter for water. —
Measure the water detection
switch input voltage.
5-22
Check the water detection
switch for continuity.
5-22
Check for wiring continuity be-
tween the water detection
switch and the engine ECM.
A-15