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21-4
dummyhead
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TECHNICAL FEATURES
CHARGE OUTPUT ENHANCEMENT WHEN IDLING
GENERAL
Detecting electrical loads in the outboard motor when idling, the engine idle speed is enhanced when the electrical loads are high to
increase charging capacity to allow for use of more electrical power in the outboard motor. (Only when in neutral)
CONSTRUCTION AND FEATURES
The ECM detects ACGF output (ACGF load condition output) from the alternator and computes current electrical loads in the
outboard motor.
When a large electrical load is identified, the ECM controls the ignition timing, fuel injection and EACV, and enhances the engine
idle speed from 650 min
-1
(rpm) to 750 min
-1
(rpm).
Idle speed
determination
Target idle
speed control
Electrical load
condition
computation
Ignition
Fuel injection
EACV
BATTERY
ECM
ACGF output
ENGINE SPEED
NEUTRAL POSITION
ALTERNATOR
Power supply to system
User load
(Boat equipment)
60
50
40
30
20
10
0
C
ha
rge
ou
tpu
t (A
)
550
600
650
700
750
800
850
900
950
1000 1050
ENGINE SPEED (min
-1
(rpm))
Содержание BFT 250A
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Страница 252: ...6 2 dummyhead dummyhead ENGINE COVER COVER LOCK ENGINE COVER COVER LOCK COMPONENT LOCATION 10 N m 1 0 kgf m 7 lbf ft...
Страница 308: ...10 2 dummyhead dummyhead OTHER ELECTRICAL OTHER ELECTRICAL SYSTEM LOCATION POWER TILT RELAY FUSE RELAY JUNCTION BOX...
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Страница 324: ...11 2 dummyhead dummyhead COOLING SYSTEM COOLING SYSTEM COMPONENT LOCATION 20 N m 2 0 kgf m 15 lbf ft...
Страница 325: ...11 3 dummyhead dummyhead COOLING SYSTEM TOOLS LIST Attachment 42 x 47 mm 07746 0010300 Driver 07749 0010000...
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Страница 344: ...12 2 dummyhead dummyhead LUBRICATION SYSTEM LUBRICATION SYSTEM COMPONENT LOCATION 10 N m 1 0 kgf m 7 lbf ft...
Страница 359: ...13 3 dummyhead dummyhead ENGINE REMOVAL INSTALLATION TOOL LIST Engine hanger VSB02C000021...
Страница 371: ...14 3 dummyhead dummyhead CYLINDER HEAD 39 2 N m 4 0 kgf m 29 lbf ft 50 53...
Страница 373: ...14 5 dummyhead dummyhead CYLINDER HEAD Air supply attachment 07VAJ P8A010A...
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Страница 554: ...18 2 dummyhead dummyhead MOUNT MOUNT COMPONENT LOCATION 83 N m 8 5 kgf m 61 lbf ft...
Страница 564: ...19 2 dummyhead dummyhead TRIM TILT TRIM TILT COMPONENT LOCATION 34 N m 3 5 kgf m 25 lbf ft 34 N m 3 5 kgf m 25 lbf ft...
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Страница 608: ...20 2 dummyhead dummyhead CONTROLS CONTROLS COMPONENT LOCATION...
Страница 621: ...21 1 21 dummytext 21 TECHNICAL FEATURES SHIFT EFFORT REDUCTION SYSTEM 21 2 CHARGE OUTPUT ENHANCEMENT WHEN IDLING 21 4...
Страница 628: ...22 4 dummyhead dummyhead WIRING DIAGRAMS...