Ditch Witch RT115 Q - Manual (Page 169)

Service - 168
RT115Q Operator’s Manual
Tier 3 Engine
SPN 970, FMI 31 engine shutdown signal (not engine
fault) check other shutdown devices
SPN 971, FMI 31 external fuel derate switch active (not
engine fault)
SPN 1079, FMI 3 sensor supply voltage high wire 17 BLU/GRN, ECU (U1)
SPN 1079, FMI 4 sensor supply voltage low ECU (U1), wiring
SPN 1080, FMI 3 fuel rail pressure sensor supply voltage
high check wiring
SPN 1080, FMI 4 fuel rail pressure sensor supply voltage
low
SPN 1109, FMI 31 engine shutdown warning various
SPN 1110, FMI 31 engine shutdown various
SPN 1347, FMI 3 high pressure fuel pump control valve
signal high contact Product Support
SPN 1347, FMI 5 high pressure fuel pump solenoid #1
circuit has high resistance check pump wiring
SPN 1347, FMI 7 inadequate fuel pump pressure check fuel filter and lines
SPN 1568, FMI 2 torque curve signal unreliable contact Product Support
SPN 1569, FMI 31 fuel derate various
SPN 2000, FMI 13 security violation ECU (U1) programming
Diagnostic code Definition Possible cause