Failure of the CFDIU Detected by the ILS 2
 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 34-36-00-740-002 BITE Test of the ILS
 ASM 31-32/03

 3. Fault Confirmation
__________________
 A. Make sure that this(these) circuit breaker(s) is(are) closed:
 -------------------------------------------------------------------------------
PANEL DESIGNATION IDENT. LOCATION
 -------------------------------------------------------------------------------
R **ON A/C 001-004, 051-060,
 121VU COM NAV/ILS/2 1RT2 K09 **ON A/C ALL
 B. Test Do the BITE test of the ILS (system 2) (Ref. AMM TASK 34-36-00-740-002).
 4. Fault Isolation
_______________ R **ON A/C 001-004, 051-060,
 A. If the test gives the maintenance message
 CFDIU(1TW)/ILS2(2RT2) or CMC1(1TM1)/ILS2(1RT2):

 - replace the CFDIU (1TW), (Ref. AMM TASK 31-32-34-000-001) and (Ref. AMM TASK 31-32-34-400-001).
 「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 280
 May 01/05 CES (1) If the fault continues:

 - do a check and repair the wiring from the CFDIU (1TW) pins AB/2H, 2J to the first terminal block , (Ref. ASM 31-32/03).
R **ON A/C 005-049, 061-099, 101-149, 151-199, 201-299, 301-399, 401-499,
 A. If the test gives the maintenance message ILS2 NO DATA FROM CFDIU:
 - 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/2H, 2J to the first terminal block , (Ref. ASM 31-32/03).
 **ON A/C ALL
 B. Do the test given in Para. 3.B.

 Failure of the CFDIU Detected by the VHF 2
 1. Possible Causes
_______________
 - CFDIU (1TW)

 - wiring

 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------
REFERENCE DESIGNATION
 -------------------------------------------------------------------------------
AMM 23-12-00-740-001 BITE Test of the VHF System
 AMM 31-32-34-000-001 Removal of the CFDIU (1TW)
 AMM 31-32-34-400-001 Installation of the CFDIU (1TW)
 ASM 31-32/03

 3. Fault Confirmation
__________________
 A. Make sure that this(these) circuit breaker(s) is(are) closed:
 -------------------------------------------------------------------------------
PANEL DESIGNATION IDENT. LOCATION
 -------------------------------------------------------------------------------
121VU COM NAV/VHF/2 2RC2 L04
 B. Test Do the BITE test of the VHF system (system 2) (Ref. AMM TASK 23-12-00-740-001).
 4. Fault Isolation
_______________
R **ON A/C 001-049, 051-061, 101-105,
 A. If the test gives the maintenance message VHF2 : NO DATA FROM CFDIU:
 - 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/2H, 2J to the first terminal block , (Ref. ASM 31-32/03).

R **ON A/C 062-099, 106-149, 151-199, 201-299, 301-399, 401-499,

 A. If the test gives the maintenance message CFDIU (1TW)/VHF2 (1RC2):
 - 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/2H, 2J to the first terminal block , (Ref. ASM 31-32/03).
 **ON A/C ALL
 B. Do the test given in Para. 3.B.

 Failure of the CFDIU Detected by the DMC 1
 1. Possible Causes
_______________
 - CFDIU (1TW)

 - wiring

 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
　
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