Garmin G1000 Maintenance Manual page 58

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GIA2 RS-232 (continued)
Channel LRU
GMA
CHNL 7
1347 #1
GIA2 ARINC 429
Channel LRU
RYAN
9900BX
TCAD
IN 4
(optional on
certan
airframes)
Page 5-22
Rev. B
Indicator
GIA1/GMA 1347 data path is functioning correctly.
GIA1/GMA 1347 data path is not functioning correctly.
•
Check PFD Alert Window for GIA or GMA configuration
or software error messages. Correct any errors before
proceeding.
•
Verify GMA 1347 status is OK using the AUX -
SYSTEM STATUS PAGE on the MFD. If it has a Red-
X, troubleshoot why the GMA is offline before
proceeding.
•
Swap GIA1 and GIA2, reconfigure both GIA's to their
new locations to confirm if the problem is in the original
GIA5.
−
Replace original GIA2 if box turns green after
swapping units.
•
Check the GIA2/GMA 1347 interconnect wiring and
connector pins for faults.
•
Replace GMA 1347
GIA1/GMA 1347 data path functionality is unknown.
Reload GIA1 configuration files.
Indicator
GIA2/SKYWATCH 497 data path is functioning correctly.
GIA2/ RYAN 9900BX TCAD data path is not functioning
correctly.
•
Check PFD Alert Window for GIA configuration or
software error messages. Correct any errors before
proceeding.
•
Swap GIA1 and GIA2, reconfigure both GIA's to their
new locations to confirm if the problem is in the
original GIA5.
−
Replace original GIA2 if box turns green after
swapping units.
•
Check the GIA2/RYAN TCAD interconnect wiring and
connector pins for faults.
•
Troubleshoot RYAN TCAD per Manufacturer's
instructions if problem remains.
GIA2/RYAN TCAD data path functionality is unknown.
Reload GIA2 configuration files.
Status
Status
G1000 System Maintenance Manual
190-00907-00