FUEL INJECTION SYSTEM
8-20
Fault code No. 13
TIP
•
If fault code numbers 13 and 14 are both displayed, perform checkup and repair jobs for fault code
number 13 first.
•
Before troubleshooting, disconnect the starter motor lead from the starter relay.
3
Wire harness continuity.
Open or short circuit
Replace
the wire harness.
Between the crankshaft position
sensor coupler and ECU cou-
pler.
gray–gray
black/blue–black/blue
Crank the engine, and then
check the condition of the fault
code using the malfunction
mode of the Yamaha diagnostic
tool.
Condition is “Recovered”
Go
to item 7 and finish the service.
Condition is “Detected”
Go to
item 4.
4
Mounted condition of crankshaft
position sensor.
Check for looseness or pinch-
ing.
Check the gap (0.85 mm
(0.0335 in)) between the crank-
shaft position sensor and the
pickup rotor.
Improperly mounted sensor
Remount or replace the sensor.
Refer to “GENERATOR” on
Crank the engine, and then
check the condition of the fault
code using the malfunction
mode of the Yamaha diagnostic
tool.
Condition is “Recovered”
Go
to item 7 and finish the service.
Condition is “Detected”
Go to
item 5.
5
Defective crankshaft position
sensor.
Check the crankshaft position
sensor.
Refer to “CHECKING THE
Crank the engine, and then
check the condition of the fault
code using the malfunction
mode of the Yamaha diagnostic
tool.
Condition is “Recovered”
Go
to item 7 and finish the service.
Condition is “Detected”
Go to
item 6.
6
Faulty ECU.
Replace the ECU.
Service is finished.
7
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.
13
Item
Intake air pressure sensor: open or short circuit detected.
Fail-safe system
Able to start engine
Able to drive vehicle
Diagnostic code No.
03
Diagnostic tool display
Displays the intake air pressure.
Procedure
The atmospheric pressure is displayed on the Yamaha diagnostic tool.
Item
Probable cause of malfunc-
tion and check
Maintenance job
Confirmation of service com-
pletion
Fault code No.
12
Item
Crankshaft position sensor: no normal signals are received from
the crankshaft position sensor.
Содержание YZ450F 2021
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 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 148: ...REAR BRAKE 4 34 system Refer to BLEEDING THE HYDRAULIC BRAKE SYSTEM on page 3 25 ...
Страница 188: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 5 2 EAM30507 LUBRICATION DIAGRAMS 1 Camshaft 2 Drive axle 3 Main axle ...
Страница 189: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 5 3 1 Connecting rod 2 Oil nozzle 3 Crankshaft ...
Страница 190: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 5 4 1 Exhaust camshaft 2 Intake camshaft 3 Oil filter element 4 Oil pump ...
Страница 191: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 5 5 1 Oil filter element 2 Oil pump 3 Oil strainer ...
Страница 206: ...CAMSHAFT 5 20 6 Install Cylinder head breather hose Spark plug Spark plug 13 N m 1 3 kgf m 9 6 lb ft T R ...
Страница 262: ...TRANSMISSION 5 76 ...
Страница 272: ...WATER PUMP 6 9 ...
Страница 282: ...THROTTLE BODY 7 9 ...
Страница 289: ...IGNITION SYSTEM 8 6 ...
Страница 290: ...ELECTRIC STARTING SYSTEM 8 7 EAM20143 ELECTRIC STARTING SYSTEM EAM30279 CIRCUIT DIAGRAM ...
Страница 294: ...CHARGING SYSTEM 8 11 EAM20144 CHARGING SYSTEM EAM30282 CIRCUIT DIAGRAM ...
Страница 297: ...CHARGING SYSTEM 8 14 ...
Страница 298: ...FUEL INJECTION SYSTEM 8 15 EAM20145 FUEL INJECTION SYSTEM EAM30284 CIRCUIT DIAGRAM ...
Страница 321: ...FUEL INJECTION SYSTEM 8 38 ...
Страница 322: ...FUEL PUMP SYSTEM 8 39 EAM20146 FUEL PUMP SYSTEM EAM30287 CIRCUIT DIAGRAM ...
Страница 352: ...SELF DIAGNOSTIC FUNCTION AND DIAGNOSTIC CODE TABLE 9 15 ...
Страница 362: ...CHASSIS 10 9 ...
Страница 364: ......
Страница 366: ......
Страница 368: ...YZ450FM 2021 WIRING DIAGRAM B2W 2819U 11_W D indd 2 2020 02 05 10 21 39 ...