FUEL INJECTION SYSTEM
9-43
TIP
• Make sure that the engine is completely cool before checking the intake air temperature sensor.
• Before troubleshooting, disconnect the starter motor lead from the starter relay.
5
Defective coolant tempera-
ture sensor.
Execute the diagnostic mode.
(Code No. 06)
When engine is cold:
Displayed temperature is
close to the ambient temper-
ature.
The displayed temperature is
not close to the ambient tem-
perature.
Check the cool-
ant temperature sensor.
Replace if defective.
Push the start switch.
Fault code number is not dis-
played
Service is finished.
Fault code number is dis-
played
Go to item 6.
6
Malfunction in ECU.
Replace the ECU.
Fault code No.
22
Item
Intake air temperature sensor: open or short circuit detected.
Fail-safe system
Able to start engine
Able to drive vehicle
Diagnostic code No.
05
Diagnostic tool display
Displays the intake air temperature.
Procedure
Compare the actually measured intake air temperature with the
Yamaha diagnostic tool display value.
Item Probable cause of malfunc-
tion and check
Maintenance job
Confirmation of service
completion
1
Connection of intake air tem-
perature sensor coupler.
Check the locking condition
of the coupler.
Disconnect the coupler and
check the pins (bent or bro-
ken terminals and locking
condition of the pins).
Improperly connected
Connect the coupler securely
or repair/replace the wire har-
ness.
Push the start switch.
Fault code number is not dis-
played
Service is finished.
Fault code number is dis-
played
Go to item 2.
2
Connection of wire harness
ECU coupler.
Check the locking condition
of the coupler.
Disconnect the coupler and
check the pins (bent or bro-
ken terminals and locking
condition of the pins).
Improperly connected
Connect the coupler securely
or repair/replace the wire har-
ness.
Push the start switch.
Fault code number is not dis-
played
Service is finished.
Fault code number is dis-
played
Go to item 3.
Fault code No.
21
Item
Coolant temperature sensor: open or short circuit detected.
Содержание WR250F 2017
Страница 4: ......
Страница 10: ......
Страница 12: ......
Страница 16: ...LOCATION OF IMPORTANT LABELS 1 2 EUR...
Страница 17: ...LOCATION OF IMPORTANT LABELS 1 3 AUS NZL ZAF...
Страница 41: ...MULTI FUNCTION DISPLAY 1 27...
Страница 78: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 25...
Страница 80: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 27...
Страница 81: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 28 1 Exhaust camshaft 2 Intake camshaft 3 Oil filter element 4 Oil pump...
Страница 82: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 29...
Страница 83: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 30 1 Camshaft 2 Oil pressure check bolt 3 Oil filter element 4 Oil pump...
Страница 84: ...CABLE ROUTING DIAGRAM 2 31 EAS2GBB073 CABLE ROUTING DIAGRAM...
Страница 86: ...CABLE ROUTING DIAGRAM 2 33...
Страница 88: ...CABLE ROUTING DIAGRAM 2 35...
Страница 90: ...CABLE ROUTING DIAGRAM 2 37...
Страница 92: ...CABLE ROUTING DIAGRAM 2 39...
Страница 94: ...CABLE ROUTING DIAGRAM 2 41...
Страница 96: ...CABLE ROUTING DIAGRAM 2 43...
Страница 98: ...CABLE ROUTING DIAGRAM 2 45...
Страница 152: ...CHASSIS 4 9...
Страница 162: ...FRONT WHEEL 5 8 1 1...
Страница 226: ...CHAIN DRIVE 5 72...
Страница 248: ...CAMSHAFT 6 19 6 Install Cylinder head breather hose Spark plug Spark plug 13 Nm 1 3m kgf 9 4 ft lbf T R...
Страница 270: ...ELECTRIC STARTER 6 41...
Страница 294: ...OIL PUMP AND BALANCER GEAR 6 65 a 2 10 b 2 9 1 b 5 3 a 4 10 5 9 3 E c d 6 7 8 8 b 6...
Страница 300: ...GENERATOR AND STARTER CLUTCH 6 71 1 a 3 3 2 4...
Страница 351: ...CHARGING SYSTEM 9 15...
Страница 355: ...LIGHTING SYSTEM 9 19...
Страница 363: ...COOLING SYSTEM 9 27...
Страница 395: ...FUEL PUMP SYSTEM 9 59...
Страница 396: ...ELECTRICAL COMPONENTS 9 60 EAS2GBB381 ELECTRICAL COMPONENTS EAS2GBB382 9 10 11 1 3 2 4 5 6 7 8...
Страница 398: ...ELECTRICAL COMPONENTS 9 62 12 11 10 2 3 1 6 7 4 5 8 9...
Страница 400: ...ELECTRICAL COMPONENTS 9 64 EAS2GBB383 CHECKING THE SWITCHES 4 1 3 2 B B Sb B B B B B B B B...
Страница 401: ...ELECTRICAL COMPONENTS 9 65 1 Engine stop switch 2 Neutral switch 3 Clutch switch 4 Start switch...
Страница 418: ...ELECTRICAL COMPONENTS 9 82...
Страница 429: ......
Страница 430: ...PRINTED IN JAPAN E PRINTED ON RECYCLED PAPER...