W DOC AIRBUS | TSM A320F

Failure of the ADIRU1 Mounting-Position Pin-Programming


TASK 34-14-00-810-917-A
Failure of the ADIRU1 Mounting-Position Pin-Programming


1. Possible Causes
  • wiring of the defective programming pins
  • ADIRU-1 [1FP1]
2. Job Set-up Information
 A. Referenced Information
REFERENCE
DESIGNATION
ASM 341201
AMM 34-12-34-000-001
Removal of the ADIRU
AMM 34-12-34-400-001
Installation of the ADIRU
AMM 34-14-00-740-001
Interface Test of the IR
3. Fault Confirmation
Subtask 34-14-00-740-245-A
A. Test
Do the Interface test of the IR (system 1) AMM 34-14-00-740-001.
4. Fault Isolation
Subtask 34-14-00-810-171-B
A. If the test gives the maintenance message WRG:MTG POS PIN PROG/ADIRU1 (1FP1):
  • do a check of the AZIMUTH ORIENTATION pin-programming pins AA/1A, 2A, 3A on the rack connector,
  • compare the status of the AZIMUTH ORIENTATION pin-programming with the status given in the ASM ASM 341201.
   (1) If the pin programming is incorrect:
  • repair the wiring of the defective programming pins ASM 341201.
   (2) If the pin programming is correct:
Subtask 34-14-00-740-246-A
B. Do the test given in Para. 3.
[Rev.8 from Aug 2018] 2026.04.04 04:32:49 UTC