Yamaha SR400 2014 Service Manual page 283

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3. Turn the main switch to "ON" and start the en-
gine.
TIP
• The engine temperature and engine speed ap-
pear on the LCD of the FI diagnostic tool.
• "POWER" LED (green) comes on.
• If a malfunction is detected in the system, the
"WARNING" LED (orange) comes on.
4. Stop the engine.
TIP
If a malfunction is detected in the system, the
fault code number appears on the LCD of the FI
diagnostic tool. In addition, the "WARNING" LED
(orange) comes on.
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FUEL INJECTION SYSTEM
5. Turn the main switch to "OFF" to cancel the
normal mode.
6. Disconnect the FI diagnostic tool and install
the self-diagnosis signal coupler cap.
Setting the diagnostic mode
1. Turn the main switch to "OFF" and engine
stop switch to " ".
2. Connect the self-diagnosis signal coupler "1"
to the FI diagnostic tool "2" as shown.
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3. Disconnect the wire harness coupler from the
fuel pump.
4. While pressing the "MODE" button, turn the
main switch to "ON".
TIP
• "DIAG" appears on the LCD of the FI diagnos-
tic tool. If "CO" appears on the LCD of the FI di-
agnostic tool, press the "UP" button and select
"DIAG".
• "POWER" LED (green) comes on.
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