Yamaha YXR70FX Service Manual page 278

FUEL INJECTION SYSTEM
6. Verify the operation of the sensor or actua-
tor.
• Sensor operation
The data representing the operating condi-
tions of the sensor appears on the LCD
meter.
• Actuator operation
Set the differential gear lock switch to
"LOCK" to operate the actuator.
* If the differential gear lock switch is set to
"LOCK", set it to "4WD", and then set it to
"LOCK" again.
7. Turn the main switch to "OFF" to cancel the
diagnostic mode.
TIP:
To perform a reliable diagnosis, make sure to
turn off the power supply before every check
and then start right from the beginning.
6 - 8
FI