DOC AIRBUS | TSM A320FLoss of the LGCIU2 Input on the GPSSU2
TASK 34-58-00-810-822-A
Loss of the LGCIU2 Input on the GPSSU2
1. Possible Causes
2. Job Set-up Information
A. Referenced Information
3. Fault Confirmation
Subtask 34-58-00-740-092-A ** ON A/C NOT FOR ALL 4. Fault Isolation
Subtask 34-58-00-810-071-A ** ON A/C NOT FOR ALL
[Rev.8 from Aug 2018]
2026.04.04 04:33:34 UTC
Loss of the LGCIU2 Input on the GPSSU2
1. Possible Causes
2. Job Set-up Information
A. Referenced Information
| REFERENCE | DESIGNATION |
|---|---|
| AMM 32-31-71-000-001 | Removal of the LGCIU |
| AMM 32-31-71-400-001 | Installation of the LGCIU |
| AMM 34-58-00-740-001 | BITE Test of the GPS |
| ASM 345801 | |
| AMM 34-58-31-000-001 | Removal of the GPSSU |
| AMM 34-58-31-400-001 | Installation of the GPSSU |
Subtask 34-58-00-740-092-A ** ON A/C NOT FOR ALL 4. Fault Isolation
Subtask 34-58-00-810-071-A ** ON A/C NOT FOR ALL
A. If the test gives the maintenance message LGCIU2 (5GA2)/GPSSU2 (1SN2):
Subtask 34-58-00-740-093-A ** ON A/C NOT FOR ALL - replace the
[1SN2] AMM 34-58-31-000-001 and AMM 34-58-31-400-001.
- replace the LGCIU-2 [5GA2] AMM 32-31-71-000-001 and AMM 32-31-71-400-001.
- do a check and repair the wiring between the LGCIU2 and the GPSSU2 : pins AB/9J and A/28 ASM 345801.
B. Do the test given in Para. 3.