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 4. Fault Isolation
_______________
 A. If the test gives the maintenance message SDAC2 : NO DATA FROM BSCU1:
 - replace the SDAC-2 (1WV2), (Ref. AMM TASK 31-55-34-000-001) and (Ref. AMM TASK 31-55-34-400-001).
 (1) If the fault continues:
 - do a check and repair the wiring from the SDAC 2 (1WV2) pins AB/14G, 14H to the first terminal block , (Ref. ASM 31-54/03).
 B. Do the test given in Para. 3.

 

 Loss of the BSCU Bus 3 of the SDAC 1
 1. Possible Causes
_______________
 - SDAC-1 (1WV1)

 - BSCU (10GG)

 - wiring

 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION
 -------------------------------------------------------------------------------
AMM 31-50-00-710-001 Ground Scanning of the Central Warning System
 AMM 31-55-34-000-001 Removal of the SDAC (1WV1,1WV2)
 AMM 31-55-34-400-001 Installation of the SDAC (1WV1,1WV2)
 AMM 32-42-34-000-001 Removal of the Braking/Steering Control Unit (BSCU)

 (10GG) AMM 32-42-34-400-001 Installation of the Braking/Steering Control Unit (BSCU) (10GG) ASM 31-54/03
 3. Fault Confirmation
__________________
 A. Test Do the operational test of the central warning systems (SDAC) (Ref. AMM TASK 31-50-00-710-001).
 4. Fault Isolation
_______________
 A. If the test gives the maintenance message SDAC1 : NO DATA FROM BSCU2:
 - replace the SDAC-1 (1WV1), (Ref. AMM TASK 31-55-34-000-001) and (Ref. AMM TASK 31-55-34-400-001).
 (1) If the fault continues:

 - replace the BSCU (10GG), (Ref. AMM TASK 32-42-34-000-001) AND (Ref. AMM TASK 32-42-34-400-001)

 (2) If the fault continues:

 - do a check and repair the wiring from the SDAC 1 (1WV1) pins AE/14C, 14D to the BSCU (10GG) pins AA/7E, 7F (Ref. ASM 31-54/03)
 B. Do the test given in Para. 3.
 「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1R EFF : ALL ∞∞31-54-00∞∞∞∞∞∞∞∞∞∞Page 299
 Aug 01/05 CES TASK 31-54-00-810-898 Loss of the BSCU Bus 4 of the SDAC 2

 

 1. Possible Causes
_______________
 - SDAC-2 (1WV2)

 - wiring

 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 31-50-00-710-001 Ground Scanning of the Central Warning System
 AMM 31-55-34-000-001 Removal of the SDAC (1WV1,1WV2)
 AMM 31-55-34-400-001 Installation of the SDAC (1WV1,1WV2)
 ASM 31-54/03

 3. Fault Confirmation

__________________
 A. Test Do the operational test of the central warning systems (SDAC) (Ref. AMM TASK 31-50-00-710-001).
 4. Fault Isolation
_______________
 A. If the test gives the maintenance message SDAC2 : NO DATA FROM BSCU2:
 - replace the SDAC-2 (1WV2), (Ref. AMM TASK 31-55-34-000-001) and (Ref. AMM TASK 31-55-34-400-001).
 (1) If the fault continues:
 - do a check and repair the wiring from the SDAC 2 (1WV2) pins AE/14C, 14D to the first terminal block , (Ref. ASM 31-54/03).
 B. Do the test given in Para. 3.

　
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