FUEL INJECTION SYSTEM
8-22
5
Defective intake air tempera-
ture sensor.
Execute the diagnostic mode.
(Code No. 05)
When the machine is cold,
displayed temperature is
close to the ambient temper-
ature.
Improper display
Replace
the intake air temperature
sensor.
Turn “ON” the switch on the
FI diagnostic tool sub-lead.
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.
Fault code
30
Symptom
The vehicle has overturned.
Fail-safe system
Able to start engine
Unable to drive vehicle
Diagnostic code No.
08
Diagnostic tool display
Displays the lean angle sensor output voltage.
• 1.0 V (upright)
• 4.0 V (overturned)
Procedure
Remove the ECU, and incline it 45 ° or more.
Or-
der
Probable cause of malfunc-
tion and check
Maintenance job
Reinstatement method
1
The vehicle has overturned.
Raise the vehicle upright.
Turn “ON” the switch on the
FI diagnostic tool sub-lead.
Fault code No. is not dis-
played
Repair is finished.
Fault code No. is displayed
Go to next order.
2
Mounted condition of ECU.
Check for looseness or
pinching.
Check the mounted condition
for correctness.
Improperly mounted ECU
Remount the ECU.
Turn “ON” the switch on the
FI diagnostic tool sub-lead.
Fault code No. is not dis-
played
Repair is finished.
Fault code No. is displayed
Go to next order.
3
Faulty ECU
Execute the diagnostic mode.
(Code No. 08)
When the vehicle is upright:
1.0 V
When the vehicle is over-
turned: 4.0 V
Improper display
Replace
the ECU.
Fault code
22
Symptom
Intake air temperature sensor: open or short circuit detected.
Содержание YZ450FF 1SL-28199-11
Страница 6: ...EAS1SL5006 YAMAHA MOTOR CORPORATION U S A YZ MOTORCYCLE LIMITED WARRANTY...
Страница 10: ......
Страница 38: ...CLEANING AND STORAGE 1 26...
Страница 66: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 27...
Страница 68: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 29...
Страница 70: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 31...
Страница 71: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 32 1 Camshaft 2 Oil pressure check bolt 3 Oil filter element 4 Oil pump...
Страница 72: ...CABLE ROUTING DIAGRAM 2 33 EAS1SL5066 CABLE ROUTING DIAGRAM...
Страница 74: ...CABLE ROUTING DIAGRAM 2 35...
Страница 76: ...CABLE ROUTING DIAGRAM 2 37...
Страница 78: ...CABLE ROUTING DIAGRAM 2 39...
Страница 80: ...CABLE ROUTING DIAGRAM 2 41...
Страница 82: ...CABLE ROUTING DIAGRAM 2 43...
Страница 122: ...ELECTRICAL SYSTEM 3 38...
Страница 135: ...REAR WHEEL 4 11 1 2...
Страница 157: ...HANDLEBAR 4 33 For installation reverse the removal proce dure Removing the handlebar Order Part name Q ty Remarks...
Страница 192: ...CHAIN DRIVE 4 68...
Страница 278: ...WATER PUMP 6 7...
Страница 290: ......
Страница 297: ...CHARGING SYSTEM 8 7 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 EAS1SL5334 ELECTRICAL COMPONENTS EAS1SL5335 9 10 1 2 3 4 5 6 7 8...
Страница 328: ...ELECTRICAL COMPONENTS 8 38 EAS1SL5336 CHECKING THE SWITCHES B Y P Sb 2 1...
Страница 329: ...ELECTRICAL COMPONENTS 8 39 1 Engine stop switch 2 Neutral switch...
Страница 344: ...LIST OF SELF DIAGNOSTIC AND FAIL SAFE ACTIONS 9 7...