Yamaha R15 2022 Service Manual page 383

FUEL INJECTION SYSTEM TROUBLESHOOTING
FUEL INJECTION SYSTEM TROUBLESHOOTING
Fault code No. P0106
Do not remove the throttle body sensor assembly from the throttle body.
TIP
If fault code numbers "P0107/P0108" and "P0106" are indicated at the same time, perform the check/
service for fault code number "P0107/P0108" first.
Fault code No.
Item
Fail-safe system
Diagnostic code No.
Tool display
Procedure
Probable cause of malfunc-
Item
tion and check
1 Installed condition of throttle
body sensor assembly.
Check for detached or pinching.
2 Defective intake air pressure
sensor.
P0106
Intake air pressure sensor: clogged hole or sensor installation im-
properly.
Able to start engine
Able to drive vehicle
03
Displays the intake air pressure.
Operate the throttle while pushing the start switch "
ue changes, the performance is OK.)
Maintenance job
Improperly installed sensor →
Reinstall the throttle body as-
sembly.
Execute the diagnostic mode.
(Code No. 03)
When engine is stopped:
Atmospheric pressure at the
current altitude and weather
conditions is indicated.
At sea level: Approx. 101 kPa
(757.6 mmHg, 29.8 inHg) 3.98
volt 1000 m (3300 ft) above sea
level: Approx. 90 kPa (675.1
mmHg, 26.6 inHg) 3.55 volt
2000 m (6700 ft) above sea lev-
el: Approx. 80 kPa (600.0
mmHg, 23.6 inHg) 3.15 volt
3000 m (9800 ft) above sea lev-
el: Approx. 70 kPa (525.0
mmHg, 20.7 inHg) 2.76 volt
When engine is cranking: Make
sure that the indication value
changes.
The value does not change when
engine is cranking. → Replace
the throttle body assembly.
8-50
ELEC
". (If the display val-
Confirmation of service com-
pletion
Start the engine and let it idle for
approximately 5 seconds.
Check the fault code using the
malfunction mode of the
YDT.
Condition is "Recover" → Go to
item 3 and finish the service.
Condition is "Malfunction" → Go
to item 2.
Go to item 3 and finish the
service.
– +