DOC AIRBUS | TSM A320FElectrical failure of the Brake Pedal Transmitter-Unit
TASK 32-42-00-810-827-A
Electrical failure of the Brake Pedal Transmitter-Unit
1. Possible Causes
2. Job Set-up Information
A. Referenced Information
3. Fault Confirmation
Subtask 32-42-00-700-066-A
Subtask 32-42-00-810-076-B ** ON A/C NOT FOR ALL
[Rev.8 from Aug 2018]
2026.04.04 04:31:32 UTC
Electrical failure of the Brake Pedal Transmitter-Unit
1. Possible Causes
2. Job Set-up Information
A. Referenced Information
| REFERENCE | DESIGNATION |
|---|---|
| ASM 324201 | |
| 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 32-42-47-000-001 | Removal of the Transmitter Unit - Brake Pedal |
| AMM 32-42-47-400-001 | Installation of the Transmitter Unit - Brake Pedal |
| AMM 32-46-00-740-001 | BITE Test of the BSCU |
Subtask 32-42-00-700-066-A
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(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.
Subtask 32-42-00-810-076-B ** ON A/C NOT FOR ALL
A. If the test gives the maintenance message BRK PEDAL XMTR(9GG)/BSCU(10GG):
Subtask 32-42-00-810-076-C ** ON A/C NOT FOR ALL - Replace the XMTR UNIT-BRK PEDAL [9GG] AMM 32-42-47-000-001 and AMM 32-42-47-400-001.
- If the source of the message is BSCU SYS1, do a check and repair the
wiring from the BSCU (10GG) to the transmitter unit (9GG) pins AA/5K, 3K, 1K, 7K, 8K, 6K, 4K, 2K to pins A/M, A, G, U, V, N, B, K ASM 324201. - If the source of the message is BSCU SYS2, do a check and repair the
wiring from the BSCU (10GG) to the transmitter unit (9GG) pins AA/5A, 3A, 1A, 7A, 8A, 6A, 4A, 2A to pins A/P, C, H, Y, Z, R, D, J ASM 324201.
- Replace the BSCU [10GG] AMM 32-42-34-000-001 and AMM 32-42-34-400-001
A. If the test gives the maintenance message BRK PEDAL XMTR(9GG)/BSCU(10GG):
Subtask 32-42-00-700-067-A - Replace the XMTR UNIT-BRK PEDAL [9GG] AMM 32-42-47-000-001 and AMM 32-42-47-400-001.
- If the source of the message is BSCU SYS1, do a check and repair the
wiring from the BSCU (10GG) to the transmitter unit (9GG) pins AA/5K, 3K, 1K, 7K, 8K, 6K, 4K, 2K to pins A/M, A, G, U, J, F, D, C ASM 324201. - If the source of the message is BSCU SYS2, do a check and repair the
wiring from the BSCU (10GG) to the transmitter unit (9GG) pins AA/5A, 3A, 1A, 7A, 8A, 6A, 4A, 2A to pins A/P, C, H, Y, K, H, B, G ASM 324201.
- Replace the BSCU [10GG] AMM 32-42-34-000-001 and AMM 32-42-34-400-001
B. Do the test given in Para. 3.A.