7-29
FUEL INJECTION SYSTEM
4
Continuity of harness
Open or short circuit
→
Replace.
Between injector coupler and ECU
coupler.
(Red–Red)
(Red/Black–Red/Black)
Start the engine and let it
idle for approximately 5
seconds.
After completing the above
operation, check whether a
fault code number is dis-
played.
Fault code number is not
displayed
→
Service is
finished.
Fault code number is dis-
played
→
Refer to item
5.
5
Malfunction in ECU.
Replace the ECU.
Fault code No.
41
Symptom
Lean angle sensor malfunction. (the sensor is built into the ECU)
Fail-safe system
Unable to start
Unable to drive
Diagnostic code No.
D08
FI diagnostic tool display
Lean angle sensor
• 1.0 V (Upright)
• 4.0 V (Overturned)
Checking method
Remove the ECU and incline it 45 ° or more.
Item
Item/components and probable cause
Check or maintenance job
Checking method
1
Malfunction in ECU.
Replace the ECU.
Fault code No.
39
Symptom
Injection system circuit signal is not received properly.
Fail-safe system
Unable to start
Unable to drive
Diagnostic code No.
D36
FI diagnostic tool display
Actuates the injector for five times every second.
The "WARNING" LED on the FI diagnostic tool comes on each time the fuel injector is ac-
tuated.
Checking method
Check the operating sound of the injector five times.
Item
Item/components and probable cause
Check or maintenance job
Checking method
Содержание YZ450F(D)
Страница 4: ......
Страница 12: ...1 2 LOCATION OF IMPORTANT LABELS EUROPE ...
Страница 13: ...1 3 LOCATION OF IMPORTANT LABELS AUS NZ ZA ...
Страница 48: ...2 18 CABLE ROUTING DIAGRAM CABLE ROUTING DIAGRAM ...
Страница 50: ...2 20 CABLE ROUTING DIAGRAM F F A B D D C C E F F C C D D B A E 100mm ...
Страница 52: ...2 22 CABLE ROUTING DIAGRAM B B F G A A C C D D E E B B G F C C D D E E A A ...
Страница 69: ...3 13 ENGINE INTAKE EXHAUST ...
Страница 87: ...4 6 RADIATOR 11 Pipe 1 O ring 1 1 Order Part name Q ty Remarks ...
Страница 117: ...4 36 OIL PUMP 15 Oil pump drive shaft 1 16 Rotor housing 1 Order Part name Q ty Remarks ...
Страница 168: ...5 29 STEERING 10 Bearing race 2 Refer to removal section Order Part name Q ty Remarks ...
Страница 183: ...6 5 THROTTLE BODY DISASSEMBLING THE THROTTLE BODY Order Part name Q ty Remarks 1 Injector 1 2 Gasket 1 ...
Страница 227: ......
Страница 228: ...PRINTED IN JAPAN E PRINTED ON RECYCLED PAPER ...