DOC AIRBUS | TSM A320FFailure of the CFDIU Detected by RMP3
TASK 31-32-00-810-948-A
Failure of the CFDIU Detected by RMP3
1. Possible Causes
2. Job Set-up Information
A. Referenced Information
3. Fault Confirmation
Subtask 31-32-00-740-323-A 4. Fault Isolation
Subtask 31-32-00-810-204-A
[Rev.8 from Aug 2018]
2026.04.04 04:29:59 UTC
Failure of the CFDIU Detected by RMP3
1. Possible Causes
2. Job Set-up Information
A. Referenced Information
| REFERENCE | DESIGNATION |
|---|---|
| AMM 23-13-00-740-001 | BITE Test of the Radio Management |
| ASM 231301 | |
| AMM 23-13-13-000-001 | Removal of the Radio Management Panel (RMP) |
| AMM 23-13-13-400-001 | Installation of the Radio Management Panel (RMP) |
| ASM 313202 | |
| AMM 31-32-34-000-001 | Removal of the CFDIU |
| AMM 31-32-34-400-001 | Installation of the CFDIU |
Subtask 31-32-00-740-323-A 4. Fault Isolation
Subtask 31-32-00-810-204-A
A. If the test gives the maintenance message RMP3 : NO DATA FROM CFDIU:
Subtask 31-32-00-740-324-A - Replace the CFDIU [1TW] , AMM 31-32-34-000-001 and AMM 31-32-34-400-001.
- Replace the RMP-COM/NAV FREQ SEL, 1 [1RG1] , AMM 23-13-13-000-001 and AMM 23-13-13-400-001.
- Do a check and repair the wiring from CFDIU (1TW) pins AA/2B, 2C to the first terminal block, ASM 313202.
- Do a check and repair the wiring from RMP1 (1RG1) pins A/BB, CC to RMP3 (1RG3) pins A/x, y, ASM 231301.
B. Do the test given in para. 3.B.