Diagnostic Mode - Yamaha MT-03 Service Manual

EAS00905

DIAGNOSTIC MODE

It is possible to monitor the sensor output data
or check the activation of actuators with the FI
diagnostic tool connected to the vehicle and set
to the normal mode or the diagnostic monitor-
ing mode.
FI diagnostic tool
90890-03182
Setting the normal mode
NOTE:
The engine speed, engine temperature, and
fault code, if detected, can be displayed on the
LCD of the FI diagnostic tool when the tool is
connected to the vehicle and is set to the nor-
mal mode.
1. Turn the main switch to "OFF" and set the
engine stop switch to "RUN".
2. Remove the self-diagnosis signal coupler
cap, and then connect the FI diagnostic tool
"1" as shown.
3. Turn the main switch to "ON" and start the
engine.
NOTE:
• Coolant temperature and engine revolution
appear on the LCD of the FI diagnostic tool.
• "POWER" LED (Green) comes on.
• If a malfunction is detected in the system,
"WARNING" LED (Orange) comes on.
FUEL INJECTION SYSTEM
FI Diagnostic Tool
1600rpm 35˚C
4. Stop the engine.
NOTE:
If a malfunction is detected in the system, the
fault code appears on the LCD of the FI
diagnostic tool. And also, "WARNING" LED
(Orange) comes on.
FI Diagnostic Tool
5. Turn the main switch to "OFF" to cancel the
normal mode.
6. Disconnect the FI diagnostic tool and con-
nect the self-diagnosis signal connector.
Setting the diagnostic mode
1. Turn the main switch to "OFF" and set the
engine stop switch to "RUN".
2. Remove the self-diagnosis signal coupler
cap, and then connect the FI diagnostic tool
"1" as shown.
3. While press the "MODE" button, turn the-
main switch to "ON".
7-23
0rpm 35˚C
S/D : 12