FUEL INJECTION SYSTEM
8-37
Fault code No. 44
TIP
Before troubleshooting, disconnect the starter motor lead from the starter relay.
4
Defective main relay.
No operating sound
Replace
the main relay.
Or execute the diagnostic mode.
(Code No. 09)
Fuel system voltage is below 3
V
Replace the main relay.
Press the start switch and the
engine stop switch alternately to
switch the power supply (= main
relay) from “ON
OFF
ON”.
Check the condition of the fault
code using the malfunction
mode of the Yamaha diagnostic
tool.
Condition is “Recovered”
Go
to item 6 and finish the service.
Condition is “Detected”
Go to
item 5.
5
Malfunction in ECU.
Replace the ECU.
Service is finished.
6
Delete the fault code.
Confirm that the fault code has
a condition of “Recovered”
using the Yamaha diagnostic
tool, and then delete the fault
code.
Fault code No.
44
Item
EEPROM fault code number: an error is detected while reading or
writing on EEPROM.
Fail-safe system
Able/Unable to start engine
Able/Unable to drive vehicle
Diagnostic code No.
60
Diagnostic tool display
Displays the location of the abnormal portion of the EEPROM data.
•
00: No fault
•
01: CO adjustment valve
•
07: Power Tuner injection correction setting 0–8, or Power Tuner igni-
tion timing correction setting 0–8
Procedure
—
Item
Probable cause of malfunc-
tion and check
Maintenance job
Confirmation of service com-
pletion
1
Identification of malfunctioning
point.
Execute the diagnostic mode.
(Code No. 60)
00: Go to item 4.
01: Go to item 2.
07: Go to item 3.
Fault code No.
43
Item
Fuel system voltage: incorrect voltage supplied to the main relay
and CCU.
Содержание YZ 2020 Series
Страница 6: ...EAM20162 YAMAHA MOTOR CORPORATION U S A YZ MOTORCYCLE LIMITED WARRANTY...
Страница 10: ......
Страница 50: ...ENGINE SPECIFICATIONS 2 5 Throttle grip free play 3 0 6 0 mm 0 12 0 24 in...
Страница 62: ...CABLE ROUTING DIAGRAM 2 17 EAM20152 CABLE ROUTING DIAGRAM Frame and engine left side view...
Страница 64: ...CABLE ROUTING DIAGRAM 2 19 Frame and engine right side view...
Страница 66: ...CABLE ROUTING DIAGRAM 2 21 Handlebar front view...
Страница 68: ...CABLE ROUTING DIAGRAM 2 23 Frame and engine top view...
Страница 70: ...CABLE ROUTING DIAGRAM 2 25 Frame and battery top view...
Страница 72: ...CABLE ROUTING DIAGRAM 2 27 Rear brake right side view...
Страница 74: ...CABLE ROUTING DIAGRAM 2 29...
Страница 112: ...ELECTRICAL SYSTEM 3 36...
Страница 154: ...HANDLEBAR 4 40 Throttle grip free play 3 0 6 0 mm 0 12 0 24 in...
Страница 167: ...FRONT FORK 4 53 1...
Страница 187: ...INSTALLING THE TRANSMISSION 5 75...
Страница 190: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 5 3 1 Oil filter element 2 Oil pump...
Страница 191: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 5 4 1 Intake camshaft 2 Exhaust camshaft...
Страница 192: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 5 5 1 Camshaft 2 Oil pressure check bolt 3 Oil pump 4 Oil filter element...
Страница 246: ...SHIFT SHAFT 5 59 TIP Align the punch mark a on the shift shaft with the punch mark b in the shift pedal 1 1 2 2 a b...
Страница 274: ...WATER PUMP 6 9...
Страница 284: ...THROTTLE BODY 7 9...
Страница 287: ......
Страница 288: ...IGNITION SYSTEM 8 1 EAM20142 IGNITION SYSTEM EAM30277 CIRCUIT DIAGRAM...
Страница 292: ...ELECTRIC STARTING SYSTEM 8 5 EAM20143 ELECTRIC STARTING SYSTEM EAM30279 CIRCUIT DIAGRAM...
Страница 296: ...CHARGING SYSTEM 8 9 EAM20144 CHARGING SYSTEM EAM30282 CIRCUIT DIAGRAM...
Страница 299: ...CHARGING SYSTEM 8 12...
Страница 300: ...SIGNALING SYSTEM 8 13 EAM20154 SIGNALING SYSTEM EAM30348 CIRCUIT DIAGRAM...
Страница 304: ...FUEL INJECTION SYSTEM 8 17 EAM20145 FUEL INJECTION SYSTEM EAM30284 CIRCUIT DIAGRAM...
Страница 328: ...FUEL PUMP SYSTEM 8 41 EAM20146 FUEL PUMP SYSTEM EAM30287 CIRCUIT DIAGRAM...
Страница 360: ...SELF DIAGNOSTIC FUNCTION AND DIAGNOSTIC CODE TABLE 9 15...
Страница 370: ...CHASSIS 10 9...
Страница 372: ......
Страница 375: ...YZ250FXL1 2020 WIRING DIAGRAM BAJ 28199 10_WD indd 1 2019 07 10 9 35 33...
Страница 376: ...YZ250FXL1 2020 WIRING DIAGRAM BAJ 28199 10_WD indd 2 2019 07 10 9 35 33...