ELECTRICAL COMPONENTS
8-56
EAM30632
CHECKING THE INDICATOR LIGHT
If the indicator light flashes orange, check and service the items or components that are the possible
cause of the malfunction.
Indicator light flashes orange fast
Indicator light flashes orange slow
1
2
3
1
1. Orange
2. Approx. 1 second
3. 1 second
Fail-safe system
Possible cause
Actions
Unable to start engine
Unable to cranking engine
Throttle position sensor failure
Replace the throttle position sen-
sor.
Intake air pressure sensor failure
Replace the intake air pressure
sensor.
Ignition coil failure
Replace the ignition coil.
Injector failure
Replace the injector.
Vehicle has overturned
Raise the vehicle upright.
ECU failure
Replace the ECU.
Fail-safe system
Possible cause
Actions
Able to drive vehicle
Defective gear position switch
Replace the gear position switch.
Defective intake air pressure sen-
sor
Replace the intake air pressure
sensor.
Defective throttle position sensor
Replace the throttle position sen-
sor.
Defective intake air temperature
sensor
Replace the intake air tempera-
ture sensor.
Defective coolant temperature
sensor
Replace the coolant temperature
sensor.
Defective vehicle system power
supply
Defective fuel system power sup-
ply
Replace the wire harness.
Defective writing on EEPROM
Defective ECU
Replace the ECU.
Содержание YZ450FP 2023
Страница 6: ...EAM20162 YAMAHA MOTOR CORPORATION U S A YZ MOTORCYCLE LIMITED WARRANTY...
Страница 10: ......
Страница 44: ...MOTORCYCLE CARE AND STORAGE 1 32...
Страница 61: ...TIGHTENING TORQUES 2 16...
Страница 66: ...CABLE ROUTING DIAGRAM 2 21 Frame and engine right side view 1 A B 2 C 3 4 D 5 6 E 7 9 8 13 12 10 1 11...
Страница 68: ...CABLE ROUTING DIAGRAM 2 23 Handlebar front view 6 5 D 4 3 2 B 1 A 8 F H I 5 10 G 7 E 8 7 E 2 3 9 C J...
Страница 72: ...CABLE ROUTING DIAGRAM 2 27 Frame and battery top view 2 1 B 5 4 3 A 7 4 E 6 D 2 3 C...
Страница 74: ...CABLE ROUTING DIAGRAM 2 29 Rear brake right side view 8 C C C D D E E F G B H 4 3 2 1 7 6 5 A A...
Страница 76: ...CABLE ROUTING DIAGRAM 2 31...
Страница 154: ...REAR BRAKE 4 38 system Refer to BLEEDING THE HYDRAULIC BRAKE SYSTEM on page 3 26...
Страница 194: ...CHAIN DRIVE 4 78...
Страница 254: ...SHIFT SHAFT 5 58 TIP Align the punch mark a on the shift shaft with the punch mark b in the shift pedal 1 1 1 2 2 a b...
Страница 267: ...CRANKCASE 5 71 6 45 mm 1 77 in 7 60 mm 2 36 in 8 75 mm 2 95 in 1 2 3 3 4 5 6 6 6 8 8 8 7 7 7 LT...
Страница 278: ...TRANSMISSION 5 82...
Страница 300: ...IGNITION SYSTEM 8 1 EAM20142 IGNITION SYSTEM EAM30277 CIRCUIT DIAGRAM...
Страница 305: ...IGNITION SYSTEM 8 6...
Страница 306: ...ELECTRIC STARTING SYSTEM 8 7 EAM20143 ELECTRIC STARTING SYSTEM EAM30279 CIRCUIT DIAGRAM...
Страница 310: ...CHARGING SYSTEM 8 11 EAM20144 CHARGING SYSTEM EAM30282 CIRCUIT DIAGRAM...
Страница 311: ...CHARGING SYSTEM 8 12 2 AC magneto 3 Rectifier regulator 4 Engine ground 5 Frame ground 6 Battery 7 Fuse...
Страница 313: ...CHARGING SYSTEM 8 14...
Страница 314: ...FUEL INJECTION SYSTEM 8 15 EAM20145 FUEL INJECTION SYSTEM EAM30284 CIRCUIT DIAGRAM B...
Страница 339: ...FUEL INJECTION SYSTEM 8 40...
Страница 340: ...FUEL PUMP SYSTEM 8 41 EAM20146 FUEL PUMP SYSTEM EAM30287 CIRCUIT DIAGRAM...
Страница 356: ...ELECTRICAL COMPONENTS 8 57...
Страница 372: ...SELF DIAGNOSTIC FUNCTION AND DIAGNOSTIC CODE TABLE 9 15...
Страница 382: ...CHASSIS 10 9...
Страница 384: ......
Страница 386: ......
Страница 387: ...B YZ450FP 2023 WIRING DIAGRAM BHR 2819U 10_W D indd 1 2022 08 09 13 16 06...
Страница 388: ...ON OFF PUSH FREE PUSH FREE B YZ450FP 2023 WIRING DIAGRAM BHR 2819U 10_W D indd 2 2022 08 09 13 16 06...