System Maintenance Manual

G1000/GFC700 System Maintenance Manual – C90A/C90GT/C90GTi King Air Page 5-17
190-00682-01 Revision F
IN 6 GRS 77 #2
GIA2/GRS 77 #2 data path is functioning correctly.
GIA2/GRS 77 #2 data path is not functioning correctly.
• Load GIA2 configuration files.
• Swap GIA2 and GIA1, reconfigure both GIA’s to their new
locations to confirm if the problem is in the original GIA2.
o Replace original GIA2 if box turns to a green
checkmark (√) after swapping units.
• Swap GRS2 and GRS1 (no reconfiguration required) to
confirm if the problem is in the original GRS2.
o Replace original GRS2 if box turns to a green
checkmark (√) after swapping units.
Check the GIA2/GRS 77 #2 interconnect wiring for faults.
GIA2/GRS 77 #2 data path functionality is unknown. Reload
GIA2 configuration files.