Yamaha XT660R Service Manual page 351

FUEL INJECTION SYSTEM
8. Verify the operation of the sensor or actua-
tor.
• Sensor operation
The data representing the operating condi-
tions of the sensor appears on the odome-
ter/fuel reserve tripmeter/tripmeter 2 LCD.
• Actuator operation
Set the engine stop switch to "
ate the actuator.
NOTE:
_
If the engine stop switch is set to "
" ", and then set it to "
9. Set the main switch to "OFF" to cancel the
diagnostic mode.
7 - 8
FI
" to oper-
", set it to
" again.