1. Possible Causes
_______________
 - CFDIU (1TW)

 - wiring

 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION
 -------------------------------------------------------------------------------
AMM 31-32-34-000-001 Removal of the CFDIU (1TW)
 AMM 31-32-34-400-001 Installation of the CFDIU (1TW)
 AMM 32-69-00-740-001 BITE Check Landing Gear Control Interface Unit

 (LGCIU) using MCDU to Ensure that Continuous BITE is Operative ASM 31-32/05
 3. Fault Confirmation
__________________
 A. Test Do the BITE test of the landing gear (Ref. AMM TASK 32-69-00-740-001).
 4. Fault Isolation
_______________
 A. If the test gives the maintenance message LGCIU2 : NO DATA FROM CFDS:
 - replace the CFDIU (1TW) (Ref. AMM TASK 31-32-34-000-001) and (Ref. AMM TASK 31-32-34-400-001).
 (1) If the fault continues:
 - do a check and repair the wiring from the CFDIU (1TW) pins AB/11D, 11E to the first terminal block (Ref. ASM 31-32/05).
 B. Do the test given in Para. 3.
 「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1 EFF : ALL ∞∞31-32-00∞∞∞∞∞∞∞∞∞∞Page A242
 May 01/05R
 CES  Loss of Data from the VHF 3 Transceiver to the CFDIU

 1. Possible Causes
_______________
 - XCVR-VHF, 3 (1RC3)

 - CFDIU (1TW)

 - wiring

 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 23-12-33-000-001 Removal of the VHF Transceiver (1RC1, 1RC2, 1RC3) AMM 23-12-33-400-001 Installation of the VHF Transceiver (1RC1, 1RC2,
 1RC3)
 AMM 31-32-00-869-002 Procedure for Class 3 Faults Reading
 AMM 31-32-34-000-001 Removal of the CFDIU (1TW)
 AMM 31-32-34-400-001 Installation of the CFDIU (1TW)
 ASM 23-12/03

 3. Fault Confirmation
__________________
 A. Make sure that this(these) circuit breaker(s) is(are) closed:
 -------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------
121VU COM NAV/VHF/3 2RC3 L05
 B. Test On the CFDS MENU page, get access to the AVIONICS STATUS page (Ref. AMM TASK 31-32-00-869-002).
 4. Fault Isolation
_______________
 A. If the test gives the maintenance message NO VHF3 DATA:
 - replace the XCVR-VHF, 3 (1RC3) (Ref. AMM TASK 23-12-33-000-001) and (Ref. AMM TASK 23-12-33-400-001).
 (1) If the fault continues:

 - replace the CFDIU (1TW) (Ref. AMM TASK 31-32-34-000-001) and (Ref. AMM TASK 31-32-34-400-001).

 (2) If the fault continues:

 - do a check and repair the wiring from the VHF 3 transceiver (1RC3) to the CFDIU (1TW) (Ref. ASM 23-12/03).
 「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1 EFF : ALL ∞∞31-32-00∞∞∞∞∞∞∞∞∞∞Page A243
 May 01/05R CES

 B. Do the test given in Para. 3.B.

 「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1 EFF : ALL ∞∞31-32-00∞∞∞∞∞∞∞∞∞∞Page A244
 May 01/05R
 CES  Loss of Data from the VHF 2 Transceiver to the CFDIU

 1. Possible Causes
_______________
 - XCVR-VHF, 2 (1RC2)

 - CFDIU (1TW)

 - wiring

 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 23-12-33-000-001 Removal of the VHF Transceiver (1RC1, 1RC2, 1RC3) AMM 23-12-33-400-001 Installation of the VHF Transceiver (1RC1, 1RC2,
 1RC3)
 AMM 31-32-00-869-002 Procedure for Class 3 Faults Reading
 AMM 31-32-34-000-001 Removal of the CFDIU (1TW)
　
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