Yamaha MT-01 Service Manual page 778

Manuals by Motomatrix / www.motomatrix.co.uk
NOTE:
• All displays on the meter disappear except the clock and odometer/trip meter/fuel reserve trip meter
displays.
• "dIAG" appears on the odometer/trip meter/fuel reserve trip meter LCD.
4. Press the "SELECT" button to select the diagnostic mode "dIAG".
5. After selecting "dIAG", simultaneously press the "SELECT" and "RESET" buttons for 2 seconds or
more to activate the diagnostic mode. The diagnostic code number "d01" appears on the clock LCD.
6. Set the engine stop switch to "
7. Select the diagnostic code number corresponding to the fault code number by pressing the "SE-
LECT" and "RESET" buttons.
NOTE:
• To decrease the selected diagnostic code number, press the "RESET" button. Press the "RESET"
button for 1 second or longer to automatically decrease the diagnostic code numbers.
• To increase the selected diagnostic code number, press the "SELECT" button. Press the "SELECT"
button for 1 second or longer to automatically increase the diagnostic code numbers.
8. Verify the operation of the sensor or actuator.
• Sensor operation
The data representing the operating conditions of the sensor appears on the odometer/trip meter/fu-
el reserve trip meter LCD.
• Actuator operation
Set the engine stop switch to "
NOTE:
If the engine stop switch is set to "
9. Turn the main switch to "OFF" to cancel the diagnostic mode.
Diagnostic code table
Fault
code Symptom
No.
No normal signals are re-
12 ceived from the crankshaft
position sensor.
Cylinder-#1 intake air pres-
13 sure sensor: open or short
circuit detected.
Email: info@motomatrix.co.uk
".
"d70 d01"
" to operate the actuator.
", set it to " ", and then set it to "
Probable cause of malfunction
• Open or short circuit in wire harness.
• Defective crankshaft position sensor.
• Malfunction in pickup rotor.
• Malfunction in ECU.
• Improperly installed sensor.
• Open or short circuit in wire harness.
• Defective cylinder-#1 intake air pressure
sensor.
• Malfunction in ECU.
7-32
FUEL INJECTION SYSTEM
"d01 d70"
" again.
Diagnostic
code No.
—
03