FUEL INJECTION SYSTEM
8-14
Fault code
12
Symptom
Crankshaft position sensor: no normal signals are received
from the crankshaft position sensor.
Fail-safe system
Unable to start engine
Unable to drive vehicle
Diagnostic code No.
—
Diagnostic tool display
—
Procedure
—
Or-
der
Probable cause of malfunc-
tion and check
Maintenance job
Reinstatement method
1
Connection of crankshaft po-
sition sensor coupler.
Check the locking condition
of the coupler.
Disconnect the coupler, and
check the pins (for bent or
broken terminals and locking
condition of the pins).
Improperly connected
Connect the coupler secure-
ly, or repair/replace the wire
harness.
Crank the engine.
Fault code No. is not dis-
played
Repair is finished.
Fault code No. is displayed
Go to next order.
2
Connection of wire harness
ECU coupler.
Check the locking condition
of the coupler.
Disconnect the coupler, and
check the pins (for bent or
broken terminals and locking
condition of the pins).
Improperly connected
Connect the coupler secure-
ly, or repair/replace the wire
harness.
Crank the engine.
Fault code No. is not dis-
played
Repair is finished.
Fault code No. is displayed
Go to next order.
3
Wire harness continuity.
Open or short circuit
Re-
place the wire harness.
Between the crankshaft posi-
tion sensor coupler and ECU
coupler.
gray–gray
black/blue–black/blue
Crank the engine.
Fault code No. is not dis-
played
Repair is finished.
Fault code No. is displayed
Go to next order.
4
Mounted condition of crank-
shaft position sensor.
Check for looseness or
pinching.
Check the gap between the
crankshaft position sensor
and the pickup rotor.
Improperly mounted sensor
Remount or replace the
Crank the engine.
Fault code No. is not dis-
played
Repair is finished.
Fault code No. is displayed
Go to next order.
5
Defective crankshaft position
sensor.
Check the crankshaft position
sensor.
Crank the engine.
Fault code No. is not dis-
played
Repair is finished.
Fault code No. is displayed
Go to next order.
6
Faulty ECU
Replace the ECU.
Содержание YZ450F(E) 2014
Страница 4: ......
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Страница 16: ...LOCATION OF IMPORTANT LABELS 1 2 EUR ...
Страница 17: ...LOCATION OF IMPORTANT LABELS 1 3 AUS NZL ZAF ...
Страница 42: ...CLEANING AND STORAGE 1 28 ...
Страница 70: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 27 ...
Страница 72: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 29 ...
Страница 74: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 31 ...
Страница 76: ...CABLE ROUTING DIAGRAM 2 33 EAS1SL1064 CABLE ROUTING DIAGRAM ...
Страница 78: ...CABLE ROUTING DIAGRAM 2 35 ...
Страница 80: ...CABLE ROUTING DIAGRAM 2 37 ...
Страница 82: ...CABLE ROUTING DIAGRAM 2 39 ...
Страница 84: ...CABLE ROUTING DIAGRAM 2 41 ...
Страница 86: ...CABLE ROUTING DIAGRAM 2 43 ...
Страница 158: ...HANDLEBAR 4 32 For installation reverse the removal proce dure Removing the handlber Order Part name Q ty Remarks ...
Страница 192: ...CHAIN DRIVE 4 66 ...
Страница 213: ...CAMSHAFT 5 18 6 Install Cylinder head breather hose Spark plug Spark plug 13 Nm 1 3m kgf 9 4 ft lbf 4 4 4 3 2 1 T R ...
Страница 270: ...TRANSMISSION 5 75 ...
Страница 278: ...WATER PUMP 6 7 ...
Страница 290: ......
Страница 297: ...CHARGING SYSTEM 8 7 EAS1SL1324 2 AC magneto 3 Rectifier regulator 4 Joint connector 5 Condenser ...
Страница 299: ...CHARGING SYSTEM 8 9 ...
Страница 325: ...FUEL PUMP SYSTEM 8 35 ...
Страница 326: ...ELECTRICAL COMPONENTS 8 36 EAS1SL1332 ELECTRICAL COMPONENTS EAS1SL1333 9 10 1 2 3 4 5 6 7 8 ...
Страница 328: ...ELECTRICAL COMPONENTS 8 38 CHECKING THE SWITCHES B Y P Sb 2 1 ...
Страница 329: ...ELECTRICAL COMPONENTS 8 39 1 Engine stop switch 2 Neutral switch ...
Страница 338: ...ELECTRICAL COMPONENTS 8 48 ...
Страница 346: ...LIST OF SELF DIAGNOSTIC AND FAIL SAFE ACTIONS 9 7 ...
Страница 357: ......
Страница 358: ...PRINTED IN JAPAN E PRINTED ON RECYCLED PAPER ...