Yamaha SR400 2014, Service Manual

Page: 284 / 342

FUEL INJECTION SYSTEM
7-27
5. Press the “MODE” button.
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The diagnostic code number “D01” appears on
the LCD of the FI diagnostic tool.
6. Set the engine stop switch to “OFF”.
7. Select the diagnostic code number corre-
sponding to the fault code number by press-
ing the “UP” and “DOWN” buttons.
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•
The diagnostic code number appears on the
LCD (D01-D70).
•
To decrease the selected diagnostic code
number, press the “DOWN” button. Press the
“DOWN” button for 1 second or more to auto-
matically decrease the diagnostic code num-
bers.
• To increase the selected diagnostic code num-
ber, press the “UP” button. Press the “UP” but-
ton for 1 second or more to automatically
increase the diagnostic code numbers.
8. Check the operation of the sensor or actua-
tor.
• Sensor operation
The data representing the operating condi-
tions of the sensor appears on the LCD.
•
Actuator operation
Set the engine stop switch to “ ”, then to
“ ”.
9. Turn the main switch to “OFF” to cancel the
diagnostic mode.
10.Connect the fuel pump coupler.
11.Disconnect the FI diagnostic tool and install
the self-diagnosis signal coupler cap.
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Information about each diagnostic code number
is organized in this manual as follows:
•
If a diagnostic code number has a correspond-
ing fault code number, the information is
shown in “TROUBLESHOOTING DETAILS”.
(Refer to “TROUBLESHOOTING DETAILS”
on page 7-28.)
• If a diagnostic code number does not have a
corresponding fault code number, the informa-
tion is shown in “DIAGNOSTIC CODE TA-
BLE”. (Refer to “DIAGNOSTIC CODE TABLE”
on page 7-42.)