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April 2017
Service and Repair Manual
Fault Inspection Procedure
Part No. 1272217
GS-30 • GS-32 • GS-46 • GS-47
167
3
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
Replace GCON ECM