SELF-DIAGNOSTIC FUNCTION AND DIAGNOSTIC CODE TABLE
9-12
EAM20174
SELF-DIAGNOSTIC FUNCTION AND DIAGNOSTIC CODE TABLE
EAM30497
SELF-DIAGNOSTIC FUNCTION TABLE (FOR FUEL INJECTION SYSTEM)
EAM30425
DIAGNOSTIC CODE: SENSOR OPERATION TABLE
Fault code
Item
Page
8
Gear position switch: open or short circuit detected.
12
Crankshaft position sensor: no normal signals are received from the crank-
shaft position sensor.
13
Intake air pressure sensor: open or short circuit detected.
14
Intake air pressure sensor: hose system malfunction (clogged or detached
hose).
15
Throttle position sensor: open or short circuit detected.
16
Throttle position sensor: stuck throttle position sensor is detected.
21
Coolant temperature sensor: open or short circuit detected.
22
Intake air temperature sensor: open or short circuit detected.
30
The vehicle has overturned.
33
Ignition coil: open or short circuit detected in the primary lead of the ignition
coil.
39
Injector: open or short circuit detected.
41
ECU: built-in lean angle sensor malfunction.
43
Fuel system voltage: incorrect voltage supplied to the CCU, and incorrect
recognition voltage of the motorcycle.
44
EEPROM read error: an error is detected while reading or writing on
EEPROM.
46
Vehicle system power supply: normal voltage is not supplied to the ECU.
50
ECU: faulty ECU memory.
70
Engine forcibly stops when the vehicle is left idling for a long period of time.
Diag-
nostic
code
No.
Item
Display
Procedure
01
Throttle angle
Displays the throttle angle.
•
Fully closed position
•
11–14
•
Check with throttle fully
closed.
•
Fully opened position
•
86–92
•
Check with throttle fully
opened.
03
Pressure of suction pipe
Displays the intake air pressure.
•
Check the change of the
intake pressure valve when
the start switch is pushed.
The atmospheric pressure is
displayed on the Yamaha
diagnostic tool.
05
Intake air temperature
Displays the intake air tempera-
ture.
Compare the actually mea-
sured intake air temperature
with the Yamaha diagnostic
tool display value.
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...