W DOC AIRBUS | TSM A320F

Loss of the Signal from the ELAC 2 to the BSCU (Identified by the SYS 2)


TASK 32-51-00-810-842-A
Loss of the Signal from the ELAC 2 to the BSCU (Identified by the SYS 2)


1. Possible Causes
  • BSCU [10GG]
  • wiring from the BSCU (10GG), pins AA/14B, 14C, 7B, 7J to the first terminal block
2. Job Set-up Information
 A. Referenced Information
REFERENCE
DESIGNATION
AMM 32-42-34-000-001
Removal of the Braking/Steering Control Unit (BSCU)
AMM 32-42-34-400-001
Installation of the Braking/Steering Control Unit (BSCU)
AMM 32-46-00-740-001
BITE Test of the BSCU
ASM 325101
3. Fault Confirmation
Subtask 32-51-00-740-108-A ** ON A/C NOT FOR ALL
A. Test
   (1) Do a reset of the BSCU with the A/SKID AND NOSE WHEEL switch (5GG).
   (2) Do the BITE test of the BSCU AMM 32-46-00-740-001.
4. Fault Isolation
Subtask 32-51-00-810-105-A ** ON A/C NOT FOR ALL
A. If the test gives the maintenance message ELAC 2(2CE2)/BSCU(10GG):
   (1) If the fault continues:
  • do a check and repair the wiring from the BSCU (10GG), pins AA/14B, 14C, 7B, 7J to the first terminal block ASM 325101.
Subtask 32-51-00-740-109-A ** ON A/C NOT FOR ALL
B. Do the test given in Para. 3.A.
[Rev.8 from Aug 2018] 2026.04.04 04:31:51 UTC