Diagnostic Mode - Yamaha YXR70FX Service Manual

" "
"TRIP/ODO"
"d01 d70"
"d70
d01"
FUEL INJECTION SYSTEM
EAS00905

DIAGNOSTIC MODE

It is possible to monitor the sensor output data
or check the activation of actuators without
connecting the measurement equipment by
simply switching the meter indication from the
normal mode to the diagnostic monitoring
mode.
Setting the diagnostic mode
1. Turn the main switch to "OFF".
2. Disconnect the wire harness coupler from
the fuel pump.
3. Simultaneously press and hold the "
and "TRIP/ODO" buttons, turn the main
switch to "ON", and continue to press the
buttons for 8 seconds or more.
TIP:
• All displays on the meter disappear.
• "dIAG" appears on the LCD meter.
4. Simultaneously press the "
"TRIP/ODO" buttons for 2 seconds or more
to execute the selection.
5. Select the diagnostic code number that
applies to the item that was verified with the
fault code number by pressing the "
and "TRIP/ODO" buttons.
TIP:
• The diagnostic code number appears on the
LCD meter (01-70).
• To decrease the selected diagnostic code
number, press the "TRIP/ODO" button.
Press the "TRIP/ODO" button for 1 second or
longer to automatically decrease the diag-
nostic code numbers.
• To increase the selected diagnostic code
number, press the "
the "
automatically increase the diagnostic code
numbers.
6 - 7
FI
/ " button. Press
/ " button for 1 second or longer to
/ "
/ " and
/ "