R **ON A/C 001-049, 101-101,

 Post SB 34-1171 For A/C 001-004,
 A. If the test gives the maintenance message CFDIU (1TW)/RA 1 (2SA1):
 - 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 HF 1
 1. Possible Causes
_______________
 - CFDIU (1TW)

 - wiring

 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------
REFERENCE DESIGNATION
 -------------------------------------------------------------------------------
AMM 23-11-00-740-001 Bite Test of the HF System
 AMM 31-32-34-000-001 Removal of the CFDIU (1TW)
 AMM 31-32-34-400-001 Installation of the CFDIU (1TW)
 ASM 31-32/02

 3. Fault Confirmation
__________________
 A. Make sure that this(these) circuit breaker(s) is(are) closed:
 -------------------------------------------------------------------------------
PANEL DESIGNATION IDENT. LOCATION
 -------------------------------------------------------------------------------
R **ON A/C 001-049, 101-105, 151-199,
 49VU COM/HF1 1RE1 HA14 R **ON A/C 051-099, 106-149, 201-299, 301-399,
 49VU COM HF1 1RE1 HA14 **ON A/C ALL
 B. Test Do the BITE test of the HF system (Ref. AMM TASK 23-11-00-740-001).

 4. Fault Isolation
_______________

 **ON A/C 001-049, 101-105, 151-199,
 A. If the test gives the maintenance message HF1 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 051-099, 106-149, 201-299, 301-399, 401-499,
 A. If the test gives the maintenance message CFDIU (1TW)/HF1 (3RE1):
 - 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.

R **ON A/C 051-099,
R TASK 31-32-00-810-855 R Failure of the CFDIU Detected by the TPIU R 1. Possible Causes
_______________
R - CFDIU (1TW) R - wiring R 2. Job Set-up Information
______________________
R A. Referenced Information
R -------------------------------------------------------------------------------R REFERENCE DESIGNATION R -------------------------------------------------------------------------------
R R R R R  AMM 31-32-34-000-001 AMM 31-32-34-400-001 AMM 32-49-00-710-001 ASM 31-32/04  Removal of the CFDIU (1TW) Installation of the CFDIU (1TW) Operational Test of the Tire Pressure Indicating System (TPIS) 
R  3. Fault Confirmation

__________________
R A. Make sure that this(these) circuit breaker(s) is(are) closed:
R -------------------------------------------------------------------------------R PANEL DESIGNATION IDENT. LOCATION R -------------------------------------------------------------------------------R 121VU HYDRAULIC/TIRE/PRESS 1GV M31
R B. Test R Do the operational test of the tire pressure indicating system (Ref. AMM R TASK 32-49-00-710-001).
R 4. Fault Isolation
_______________
R A. If the test gives the maintenance message TPIU : NO DATA FROM CFDIU:
R - replace the CFDIU (1TW), (Ref. AMM TASK 31-32-34-000-001) and (Ref. AMM
R TASK 31-32-34-400-001).

R (1) If the fault continues:
R - do a check and repair the wiring from the CFDIU (1TW) pins AA/11F,
R 11G to the first terminal block , (Ref. ASM 31-32/04).

R B. Do the test given in Para. 3.B.

 「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1R EFF : 051-099, ∞∞31-32-00∞∞∞∞∞∞∞∞∞∞Page 265
 May 01/05 CESR **ON A/C ALL

 TASK 31-32-00-810-856
 Failure of the CFDIU Detected by the EIU 1
　
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