FUEL INJECTION SYSTEM
8-34
TIP
Before troubleshooting, disconnect the starter motor lead from the starter relay.
3
Wire harness continuity.
Open or short circuit
Re-
place the wire harness.
Between intake air tempera-
ture sensor coupler and ECU
coupler.
black/blue–black/blue
brown/white–brown/white
Push the start switch.
Fault code number is not dis-
played
Service is finished.
Fault code number is dis-
played
Go to item 4.
4
Installed condition of intake
air temperature sensor.
Check for looseness or
pinching.
Improperly installed sensor
Reinstall or replace the
sensor.
Push the start switch.
Fault code number is not dis-
played
Service is finished.
Fault code number is dis-
played
Go to item 5.
5
Defective intake air tempera-
ture sensor.
Execute the diagnostic mode.
(Code No. 05)
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 intake
air 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.
30
Item
Latch up detected.
Fail-safe system
Unable to start engine
Unable to drive vehicle
Diagnostic code No.
08
Diagnostic tool display
Lean angle sensor output voltage
• 0.4–1.4 (upright)
• 3.7–4.4 (overturned)
Procedure
Remove the lean angle sensor and incline it more than 45 degrees.
Item Probable cause of malfunc-
tion and check
Maintenance job
Confirmation of service
completion
1
The vehicle has overturned.
Raise the vehicle upright.
Push the start switch.
Fault code number is not dis-
played
Service is finished.
Fault code number is dis-
played
Go to item 2.
Fault code No.
22
Item
Intake air temperature sensor: open or short circuit detected.
Содержание YZ 2015 Series
Страница 6: ...EASB291006 YAMAHA MOTOR CORPORATION U S A YZ MOTORCYCLE LIMITED WARRANTY...
Страница 10: ......
Страница 33: ...CONTROL FUNCTIONS 1 21 a 2...
Страница 65: ...LUBRICATION POINTS AND LUBRICANT TYPES 2 22 EASB291066...
Страница 68: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 25...
Страница 70: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 27...
Страница 71: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 28 1 Exhaust camshaft 2 Intake camshaft 3 Oil filter element 4 Oil pump...
Страница 72: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 29...
Страница 73: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 30 1 Camshaft 2 Oil pressure check bolt 3 Oil filter element 4 Oil pump...
Страница 74: ...CABLE ROUTING DIAGRAM 2 31 EASB291068 CABLE ROUTING DIAGRAM...
Страница 76: ...CABLE ROUTING DIAGRAM 2 33...
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 88: ...CABLE ROUTING DIAGRAM 2 45...
Страница 128: ...ELECTRICAL SYSTEM 3 38...
Страница 200: ...CHAIN DRIVE 4 70...
Страница 244: ...ELECTRIC STARTER 5 41...
Страница 266: ...OIL PUMP AND BALANCER GEAR 5 63 c d 6 6 7 8 8 b...
Страница 286: ...TRANSMISSION 5 83...
Страница 306: ...CHECKING THE INTAKE AIR TEMPERATURE SENSOR 8 67 CHECKING THE FUEL INJECTOR 8 68...
Страница 319: ...CHARGING SYSTEM 8 13 4 AC magneto 5 Rectifier regulator 8 Battery 9 Frame ground 10 Starter relay 11 Main fuse...
Страница 321: ...CHARGING SYSTEM 8 15 EASB291338...
Страница 325: ...COOLING SYSTEM For JPN 8 19 EASB291341...
Страница 355: ...FUEL PUMP SYSTEM 8 49 EASB291348...
Страница 356: ...ELECTRICAL COMPONENTS 8 50 ELECTRICAL COMPONENTS EASB291349 8 9 10 1 3 2 4 5 6 7...
Страница 358: ...ELECTRICAL COMPONENTS 8 52 11 10 9 2 3 1 6 7 8 4 5...
Страница 360: ...ELECTRICAL COMPONENTS 8 54 EASB291350 CHECKING THE SWITCHES 4 1 3 2 E B S E B E B E E B B...
Страница 361: ...ELECTRICAL COMPONENTS 8 55 1 Engine stop switch 2 Neutral switch 3 Clutch switch 4 Start switch...
Страница 382: ...LIST OF SELF DIAGNOSTIC AND FAIL SAFE ACTIONS 9 7...