3. Fault Confirmation
__________________
 A. Make sure that this(these) circuit breaker(s) is(are) closed:
 -------------------------------------------------------------------------------
PANEL DESIGNATION IDENT. LOCATION
 -------------------------------------------------------------------------------
49VU COM NAV/ATC/1 5SH1 G11
 B. Test Do the BITE test of the ATC (system 1) (Ref. AMM TASK 34-52-00-740-004).
 4. Fault Isolation
_______________ R **ON A/C 001-049, 051-099, 101-105, 151-199, 201-220,
 A. If the test gives the maintenance message ATC1 : 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 AA/2B, 2C to the first terminal block , (Ref. ASM 31-32/02).

R **ON A/C 106-149, 221-299, 301-399, 401-499,
 A. If the test gives the maintenance message CFDIU (1TW) / ATC1 (1SH1):
 - 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 AA/2B, 2C to the first terminal block , (Ref. ASM 31-32/02).
 **ON A/C ALL
 B. Do the test given in Para. 3.B.

 Failure of the CFDIU Detected by the DME 1
 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 34-51-00-740-002 BITE Test of the DME
 ASM 31-32/02

 3. Fault Confirmation
__________________
 A. Make sure that this(these) circuit breaker(s) is(are) closed:
 -------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU NAV/DME/1 1SD1 G14
 B. Test Do the BITE test of the DME (system 1) (Ref. AMM TASK 34-51-00-740-002).
 4. Fault Isolation
_______________
 A. If the test gives the maintenance message DME1 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 AA/2B, 2C to the first terminal block , (Ref. ASM 31-32/02).
 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 260
 Nov 01/04R CES

 Failure of the CFDIU Detected by the RA 1
 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 34-42-00-740-002 BITE Test of the Radio Altimeter
 ASM 31-32/02

 3. Fault Confirmation
__________________
 A. Make sure that this(these) circuit breaker(s) is(are) closed:
 -------------------------------------------------------------------------------
PANEL DESIGNATION IDENT. LOCATION
 -------------------------------------------------------------------------------
121VU COM NAV/RAD ALTM/1 1SA1 K11
 B. Test Do the BITE test of the Radio Altimeter (system 1) (Ref. AMM TASK 34-42-00-740-002).
 4. Fault Isolation
_______________
R **ON A/C 001-004, 051-099, 102-149, 151-199, 201-299, 301-399, 401-499,
 A. If the test gives the maintenance message RADIO ALTMI 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).
　
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