Failure of the GPWC Pin Programming
TASK 34-48-00-810-830-A
Failure of the GPWC Pin Programming
1. Possible Causes
A. Referenced Information
3. Fault Confirmation
Subtask 34-48-00-740-074-C 4. Fault Isolation
Subtask 34-48-00-810-092-A
[Rev.8 from Aug 2018]
2026.04.04 04:33:17 UTC
Failure of the GPWC Pin Programming
1. Possible Causes
- GPWC [1WZ]
wiring at the programming pins of the GPWC (1WZ)
A. Referenced Information
| REFERENCE | DESIGNATION |
|---|---|
| AMM 34-48-00-740-002 | BITE Test of the GPWS |
| ASM 344801 | |
| AMM 34-48-34-000-001 | Removal of the GPWC |
| AMM 34-48-34-400-001 | Installation of the GPWC |
Subtask 34-48-00-740-074-C 4. Fault Isolation
Subtask 34-48-00-810-092-A
A. If the BITE test gives the maintenance message WRG: PIN PROG/GPWC (1WZ):
Subtask 34-48-00-740-075-A - replace the GPWC [1WZ] AMM 34-48-34-000-001 and AMM 34-48-34-400-001.
- do a check and repair the
wiring at the programming pins of the GPWC (1WZ) ASM 344801.
B. Do the test given in Para. 3.