4-14
Outboard motor troubleshooting
Symptom 1: High engine idle speed
Symptom 1: Limited engine speed
Symptom 2
Cause
Checking steps
See
page
—
Air leakage (throttle valve–cyl-
inder head)
Check the gaskets of the intake manifold
and throttle body.
Check the intake manifold for cracks.
Throttle link and throttle cable
are not installed properly.
Adjust the throttle link and throttle cable.
ISC valve malfunction
Check the ISC valve operation using the
YDIS.
Measure the ISC valve input voltage.
Symptom 2
Cause
Checking steps
See
page
Buzzer comes on, over-
heat alert indicator
comes on
Clogged cooling water inlet
Check the pilot hole for cooling water dis-
charge.
Check the cooling water inlet.
Water pump impeller malfunc-
tion
Check the impeller.
Check the Woodruff key.
Check the insert cartridge.
Water leakage from water
pump housing
Check the water pump housing.
Check the outer plate cartridge.
Clogged cooling water pas-
sages
Check the cooling water passages.
PCV is open.
Check the PCV.
Thermostat malfunction
Check the thermostat.
Buzzer comes on, oil
pressure alert indicator
comes on
Insufficient engine oil
Check the oil level.
Check for engine oil leakage.
Check the valve seals and valves.
Check the piston rings.
Engine oil pressure decrease
Measure the oil pressure.
Check the oil pressure sensor.
Check the oil pump.
Check the oil strainer.
Check the oil passages (power unit and
oil pump).
Replace the oil filter.
—
Y-COP malfunction
Check Y-COP for wiring harness continu-
ity.
Содержание F150A
Страница 1: ...SERVICE MANUAL 63P 28197 3P 12 F150A FL150A F150B FL150B ...
Страница 4: ......
Страница 48: ...2 3 Electronic control system Engine ECM component 2 3 4 6 5 1 8 7 10 9 11 12 14 15 16 13 17 ...
Страница 110: ...3 41 Propeller selection MEMO ...
Страница 129: ...4 18 Outboard motor troubleshooting MEMO ...
Страница 175: ...5 44 PTT system 0 1 2 3 4 5 6 7 8 9 10 A MEMO ...
Страница 247: ...7 22 Starter motor Terminal nut 3 9 N m 0 9 kgf m 6 6 ft lb ...
Страница 385: ...8 78 Shimming counter rotation model 0 1 2 3 4 5 6 7 8 9 10 A MEMO ...
Страница 434: ...9 47 PTT cylinder Cylinder end screw wrench 2 90890 06591 Tilt cylinder end screw 1 150 N m 15 0 kgf m 110 6 ft lb 1 2 ...
Страница 449: ...9 62 PTT gear pump 0 1 2 3 4 5 6 7 8 9 10 A MEMO ...
Страница 474: ...i 8 Index 0 1 2 3 5 6 7 8 9 10 10 A MEMO ...
Страница 475: ......
Страница 476: ...Oct 2011 2 ABE E ...