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Fault code No.
Symptom
Fail-safe system
Diagnostic code No.
FI diagnostic tool display
Checking method
Item
Item/components and probable cause
1
The vehicle has overturned.
2
Installed condition of ECU.
•Make sure that the installation position is cor-
rect.
3
Defective lean angle sensor.
4
Malfunction in ECU.
30
Turnover of vehicle
Able to start
Unable to drive
D08
Lean angle sensor
• 1.0 V (Upright)
• 4.0 V (Overturned)
Remove the ECU and incline it 45° or more.
FUEL INJECTION SYSTEM
Check or maintenance job
Raise the vehicle upright.
Check that the sensor is installed
securely and that there are no
pinched leads.Check that the ECU
is installed securely and that there
are no pinched leads.
Incorrect installation → Reinstall
or repair.
Incorrect installation position →
Properly install.
Execute the diagnostic mode (di-
agnostic code No. D30).
Upright: 1.0 V
Overturned: 4.0 V
Displayed value is incorrect → Re-
place the ECU.
Replace the ECU.
7-25
Checking method
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
2.
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 3.
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 4.

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  • Rob Apr 28, 2017 08:33:
    Thank you for the manuals. Yzf450 braap!