7-24
FUEL INJECTION SYSTEM
5
Defective atmospheric pressure sensor.
Execute the diagnostic mode (di-
agnostic code No. D02).
When the engine is stopped,
displays the atmospheric pres-
sure according to the elevation
and weather.
0 m above sea level: Approx.
101 kPa
1000 m above sea level: Ap-
prox. 90 kPa
2000 m above sea level: Ap-
prox. 80 kPa
3000 m above sea level: Ap-
prox. 70 kPa
Displayed value is incorrect
→
Re-
place.
Set the switch on the FI di-
agnostic tool sub-wire har-
ness to "ON", and then
check the fault code dis-
play.
Fault code number is not
displayed
→
Service is
finished.
Fault code number is dis-
played
→
Refer to item 6.
6
Malfunction in ECU.
Replace the ECU.
Fault code No.
23
Symptom
Atmospheric pressure sensor signal is not received properly.
Fail-safe system
Able to start
Able to drive
Diagnostic code No.
D02
FI diagnostic tool display
Atmosphere
Checking method
Measure the atmospheric pressure.
Item
Item/components and probable cause
Check or maintenance job
Checking method
Summary of Contents for YZ450F(B) 2012
Page 4: ......
Page 12: ...1 2 LOCATION OF IMPORTANT LABELS EUROPE ...
Page 13: ...1 3 LOCATION OF IMPORTANT LABELS AUS NZ ZA ...
Page 48: ...2 18 CABLE ROUTING DIAGRAM CABLE ROUTING DIAGRAM ...
Page 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 ...
Page 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 ...
Page 69: ...3 13 ENGINE INTAKE EXHAUST ...
Page 87: ...4 6 RADIATOR 11 Pipe 1 O ring 1 1 Order Part name Q ty Remarks ...
Page 117: ...4 36 OIL PUMP 15 Oil pump drive shaft 1 16 Rotor housing 1 Order Part name Q ty Remarks ...
Page 168: ...5 29 STEERING 10 Bearing race 2 Refer to removal section Order Part name Q ty Remarks ...
Page 227: ......
Page 228: ...PRINTED IN JAPAN E PRINTED ON RECYCLED PAPER ...