FUEL INJECTION SYSTEM
8-41
Fault code No.
46
Item
Charging voltage is abnormal.
Fail-safe system
Able/Unable to start engine
Able/Unable to drive vehicle
Diagnostic code No.
—
Diagnostic tool display
—
Procedure
—
Item Probable cause of malfunc-
tion and check
Maintenance job
Confirmation of service
completion
1
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.
Start the engine and let it idle
for approximately 5 seconds.
Fault code number is not dis-
played
Service is finished.
Fault code number is dis-
played
Go to item 2.
2
Wire harness continuity.
Open or short circuit
Re-
place the wire harness.
Between rectifier/regulator
coupler and ECU coupler.
red–red
Between battery terminal and
ECU coupler.
red–red
Start the engine and let it idle
for approximately 5 seconds.
Fault code number is not dis-
played
Service is finished.
Fault code number is dis-
played
Go to item 3.
3
Defective AC magneto.
Check the AC magneto.
Refer to “CHARGING SYS-
TEM” on page 8-12.
Defective AC magneto
Re-
place.
Start the engine and let it idle
for approximately 5 seconds.
Fault code number is not dis-
played
Service is finished.
Fault code number is dis-
played
Go to item 4.
4
Malfunction in ECU.
Replace the ECU.
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...