Yamaha SR400 2014 Service Manual page 296

Fault code No.
Item
Fail-safe system
Diagnostic code No.
FI diagnostic tool display
Procedure
Probable cause of malfunction
1 Malfunction in ECU
Reinstatement method
Fault code No.
Item
Fail-safe system
Diagnostic code No.
FI diagnostic tool display
Procedure
Probable cause of malfunction
1 Connections
• Wire harness ECU coupler
2 Faulty battery.
3 Malfunction in rectifier/regulator
44
EEPROM fault code number: an error is detected while read-
ing or writing on EEPROM (CO adjustment value).
Able to start engine
Able to drive vehicle
D60
EEPROM fault code display
• 00 (no history)
• 01: CO adjustment value is detected. (history exists)
Change and write #1 (No.1 cylinder) CO density level. Turn the
main switch OFF/ON after adjustment.
• Execute diagnostic code No. D60.
• If "01" is displayed, readjust the CO.
• Replace the ECU if defective.
Turn the main switch to "ON".
46
Power supply to the fuel injection system is not normal.
Able to start engine
Able to drive vehicle
—
—
—
• Check the coupler for any pins that may be
• Check the locking condition of the coupler.
• If there is a malfunction, repair it and connect
• Replace or charge the battery.
• Replace if defective.
7-39
FUEL INJECTION SYSTEM
Check or maintenance job
Refer to "ADJUSTING THE EXHAUST GAS
VOLUME" on page 3-7.
Check or maintenance job
pulled out.
the coupler securely.
Refer to "CHECKING AND CHARGING THE
BATTERY" on page 7-60.
Refer to "CHECKING THE RECTI-
FIER/REGULATOR" on page 7-68.