Rt115q operator’s manual – Ditch Witch RT115 Q User Manual
Page 168
RT115Q Operator’s Manual
Service - 167
Tier 3 Engine
SPN 636, FMI 2
engine position sensor signal unreliable
engine position sensor or wiring
SPN 636, FMI 8
engine position sensor signal missing
SPN 636, FMI 10
engine position sensor signal rate of
change abnormal
SPN 637, FMI 2
engine timing sensor signal unreliable
timing sensor or wiring
SPN 637, FMI 7
engine timing and position sensors out
of sync
check sensors and wiring
SPN 637, FMI 8
engine timing sensor signal missing
timing sensor or wiring
SPN 637, FMI 10
engine timing signal rate of change
abnormal
SPN 639, FMI 13
CAN error
ECU (U1), diagnostic gauge (M1),
wiring connections
SPN 651, FMI 5
injector #1circuit has high resistance
check wiring and injector solenoid
SPN 651, FMI 6
injector #1circuit has low resistance
SPN 651, FMI 7
injector #1 not responding
check injector and flow limiter
SPN 652, FMI 5
injector #2 circuit has high resistance
check wiring and injector solenoid
SPN 652, FMI 6
injector #2 circuit has low resistance
SPN 652, FMI 7
injector #2 not responding
check injector and flow limiter
SPN 653, FMI 5
injector #3 circuit has high resistance
check wiring and injector solenoid
SPN 653, FMI 6
injector #3 circuit has low resistance
SPN 653, FMI 7
injector #3 not responding
check injector and flow limiter
SPN 654, FMI 5
injector #4 circuit has high resistance
check wiring and injector solenoid
SPN 654, FMI 6
injector #4 circuit has low resistance
SPN 654, FMI 7
injector #4 not responding
check injector and flow limiter
SPN 655, FMI 5
injector #5 circuit has high resistance
check wiring and injector solenoid
SPN 655, FMI 6
injector #5 circuit has low resistance
SPN 655, FMI 7
injector #5 not responding
check injector and flow limiter
SPN 656, FMI 5
injector #6 circuit has high resistance
check wiring and injector solenoid
SPN 656, FMI 6
injector #6 circuit has low resistance
SPN 656, FMI 7
injector #6 not responding
check injector and flow limiter
SPN 898, FMI 9
speed or torque signal unreliable
contact Product Support
Diagnostic code
Definition
Possible cause