KTM 2015 RC 390 EU Owner's Manual page 172

22 FLASH CODE
Blink code of FI warning
lamp (MIL)
Error level condition
Blink code of FI warning
lamp (MIL)
Error level condition
45 FI warning lamp (MIL) flashes 4x long, 5x short
Lambda sensor heater - circuit fault
Lambda sensor heater - short circuit to ground or open circuit
Lambda sensor heater - input signal too high
49 FI warning lamp (MIL) flashes 4x long, 9x short
Idle control - input signal too low
Idle control - input signal too high
Idle control - circuit fault
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