Sfc 556- rti 3 loss – JLG 460SJ Service Manual User Manual
Page 246
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SECTION 3 - CHASSIS & TURNTABLE
3-194
– JLG Lift –
3120895
SFC 556- RTI 3 Loss
Key On - Engine Running
System Data Mode
Clear System Fault
Does SFC 556 reset
with engine idling?
Fault is intermittent
Replace ECM with known
good part and retest
No
Check all power and
ground circuits to ECM
Are all circuits ok?
Repair wiring to
ECM and retest
Yes
Yes
No
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