Terex Genie GS-1330m Service And Repair Manual page 199

August 2021
3
Part No. 1309020GT
Fault Inspection Procedure
Check the GCON ECM
1 Disconnect the GCON ECM connectors, J1, J2 and J3.
2 For short to B- type faults, measure resistance between
pins J1-7 (ground) and the GCON pin associated with the
fault code. Refer to the GCON I/O Map in this section to
identify the faulted out circuit pin.
3 Short to ground resistance should be greater than 5k Ω.
4 For short to B+ type faults, measure resistance between
pins J1-12 (driver power) and the GCON pin associated
with the fault code. Refer to the GCON I/O Map in this
section to identify the faulted out circuit pin.
5 Short to power resistance should be greater than 50k Ω.
No Good
GS ™ -30m • 32m • 30 • 32 • 46 • 55
Service and Repair Manual
Replace GCON ECM
185