FUEL INJECTION SYSTEM
8-34
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a. Check the fault code number displayed on the meter.
b. Identify the faulty system with the fault code number.
c. Identify the probable cause of the malfunction.
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2. Check and repair the probable cause of the malfunction.
3. Perform the reinstatement action for the fuel injection system.
Refer to “Confirmation of service completion” in the appropriate table in “TROUBLESHOOTING DE-
TAILS” on page 8-37.
4. Set the main switch to “OFF”, then to “ON” again, and then check that no fault code number is dis-
played.
TIP
If another fault code number is displayed, repeat steps (1) to (4) until no fault code number is displayed.
5. Erase the malfunction history in the diagnostic mode. Refer to “Sensor operation table (Diagnostic
code No. 62)”.
TIP
Turning the main switch to “OFF” will not erase the malfunction history.
The engine operation is not normal, but the engine trouble warning light does not come on.
1. Check the operation of the following sensors and actuators in the diagnostic mode. Refer to “TROU-
BLESHOOTING DETAILS” on page 8-37.
If a malfunction is detected in the sensors or actuators, repair or replace all faulty parts.
If no malfunction is detected in the sensors and actuators, check and repair the inner parts of the
engine.
EAS30951
YAMAHA DIAGNOSTIC TOOL
This model uses the Yamaha diagnostic tool to identify malfunctions.
For information about using the Yamaha diagnostic tool, refer to the operation manual that is included
with the tool.
Features of the Yamaha diagnostic tool
You can use the Yamaha diagnostic tool to identify malfunctions quicker than with conventional meth-
ods.
Fault code No.
No fault code No.
Check and repair. Refer to “TROUBLESHOOTING
DETAILS” on page 8-37.
Monitor the operation of the sensors and actuators in
the diagnostic mode. Refer to “TROUBLESHOOT-
ING DETAILS” on page 8-37 and “SELF-DIAGNOS-
TIC FUNCTION AND DIAGNOSTIC CODE TABLE”
on page 9-5.
Check and repair.
01: Throttle position sensor signal (throttle angle)
30: Cylinder-#1 ignition coil
31: Cylinder-#2 ignition coil
36: Fuel injector #1
37: Fuel injector #2
Yamaha diagnostic tool
90890-03231
Содержание YZF-R25
Страница 1: ......
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Страница 8: ......
Страница 25: ...BASIC SERVICE INFORMATION 1 16 ...
Страница 32: ...SPECIAL TOOLS 1 23 ...
Страница 49: ...TIGHTENING TORQUES 2 16 2 6 8 5 4 1 2 6 3 7 2 10 9 A ...
Страница 61: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 28 Oil pump right side view 1 2 1 Oil pump 2 Relief valve ...
Страница 66: ...COOLING SYSTEM DIAGRAMS 2 33 EAS20020 COOLING SYSTEM DIAGRAMS 1 2 3 1 5 4 4 ...
Страница 67: ...COOLING SYSTEM DIAGRAMS 2 34 1 Radiator 2 Radiator outlet hose 3 Water pump 4 Thermostat 5 Radiator inlet hose ...
Страница 99: ......
Страница 128: ...PERIODIC MAINTENANCE 3 29 ...
Страница 146: ...GENERAL CHASSIS 5 4 15 1 b b a a 2 ...
Страница 200: ...FRONT FORK 4 69 2 b a 1 ...
Страница 209: ...SWINGARM AND REAR SHOCK ABSORBER ASSEMBLY 4 78 2 1 1 1 a A B ...
Страница 214: ...CHAIN DRIVE 4 83 ...
Страница 227: ...ENGINE REMOVAL 5 10 T R Exhaust pipe protector bolt 8 Nm 0 8 m kgf 5 8 ft lbf LOCTITE 9 8 4 7 6 1 5 3 2 ...
Страница 256: ...CYLINDER AND PISTONS 5 39 1 ...
Страница 310: ...TRANSMISSION 5 93 ...
Страница 322: ...WATER PUMP 6 11 ...
Страница 336: ...THROTTLE BODIES 7 13 c 1 cylinder d 2 cylinder A Left B Right b a d c A B b 1 ...
Страница 337: ...THROTTLE BODIES 7 14 ...
Страница 338: ...AIR INDUCTION SYSTEM 7 15 EAS20071 AIR INDUCTION SYSTEM 1 2 3 4 5 1 2 ...
Страница 342: ...AIR INDUCTION SYSTEM 7 19 ...
Страница 345: ......
Страница 355: ...ELECTRIC STARTING SYSTEM 8 10 ...
Страница 359: ...CHARGING SYSTEM 8 14 ...
Страница 371: ...SIGNALING SYSTEM 8 26 ...
Страница 417: ...FUEL PUMP SYSTEM 8 72 ...
Страница 418: ...ELECTRICAL COMPONENTS 8 73 EAS20089 ELECTRICAL COMPONENTS 2 1 3 4 6 5 8 7 17 18 15 16 14 13 12 11 10 9 20 19 ...
Страница 420: ...ELECTRICAL COMPONENTS 8 75 2 3 4 5 12 11 10 9 8 7 1 6 ...
Страница 440: ...ELECTRICAL COMPONENTS 8 95 ...
Страница 451: ...SELF DIAGNOSTIC FUNCTION AND DIAGNOSTIC CODE TABLE 9 10 ...
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