R  **ON A/C 106-149, 303-399, 401-499,
 4. Fault Isolation_______________ 
R  **ON A/C 401-499,
 A. If the test gives the maintenance message EEC(E1-4000KS)BUS EEC1B/DMC2(1WT2): - replace the DMC-2 (1WT2) (Ref. AMM TASK 31-63-34-000-001) and (Ref. AMM TASK 31-63-34-400-001).
 (1) If the fault continues: - do a check and repair the wiring from the DMC 2 (1WT2) pins AE/15J, 15K to the first terminal block (Ref. ASM 31-62/01). 
R  **ON A/C 106-149, 303-399, 401-499,
 B. Do the test given in Para. 3.B.

 Loss of the EEC 2 Channel A Output Bus by the DMC 2
 1. Possible Causes
_______________
 - DMC-2 (1WT2)

 - wiring

 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
R  AMM 31-60-00-740-002 AMM 31-60-00-740-007  EIS Input TestGROUND SCANNING Test of the DMC
 AMM 31-63-34-000-001 AMM 31-63-34-400-001 ASM 31-62/01 Removal of the DMC (1WT1,1WT2,1WT3)Installation of the DMC (1WT1,1WT2,1WT3)
 3. Fault Confirmation__________________

 A. Make sure that this(these) circuit breaker(s) is(are) closed:
 -------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU ENGINE/2/FADEC A/AND EIU 2 2KS2 A05 
R  **ON A/C 106-149, 303-399, 
R R  B. Test Do the EIS input test (Ref. AMM TASK 31-60-00-740-002). 
R  **ON A/C 401-499,
 B. Test Do the Ground Scanning Test of the DMC (Ref. AMM TASK 31-60-00-740-007).

R **ON A/C 106-149, 303-399, 401-499,

 4. Fault Isolation
_______________
R **ON A/C 401-499,
 A. If the test gives the maintenance message EEC(E2-4000KS)BUS
 EEC2A/DMC2(1WT2):

 - replace the DMC-2 (1WT2) (Ref. AMM TASK 31-63-34-000-001) and (Ref. AMM TASK 31-63-34-400-001).
 (1) If the fault continues:
 - do a check and repair the wiring from the DMC 2 (1WT2) pins AE/1A, 1B to the first terminal block (Ref. ASM 31-62/01).
R **ON A/C 106-149, 303-399, 401-499,
 B. Do the test given in Para. 3.B.

 Loss of the EEC 2 Channel B Output Bus by the DMC 2
 1. Possible Causes
_______________
 - DMC-2 (1WT2)

 - wiring

 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
R  AMM 31-60-00-740-002 AMM 31-60-00-740-007  EIS Input TestGROUND SCANNING Test of the DMC
 AMM 31-63-34-000-001 AMM 31-63-34-400-001 ASM 31-62/01 Removal of the DMC (1WT1,1WT2,1WT3)Installation of the DMC (1WT1,1WT2,1WT3)
 3. Fault Confirmation__________________

 A. Make sure that this(these) circuit breaker(s) is(are) closed:
 -------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------121VU ENGINE/ENG2/FADEC B 4KS2 Q40 
R  **ON A/C 106-149, 303-399, 
R R  B. Test Do the EIS input test (Ref. AMM TASK 31-60-00-740-002). 
R  **ON A/C 401-499,
 B. Test Do the Ground Scanning Test of the DMC (Ref. AMM TASK 31-60-00-740-007).

R **ON A/C 106-149, 303-399, 401-499,

 4. Fault Isolation
_______________
R **ON A/C 401-499,
 A. If the test gives the maintenance message EEC(E2-4000KS)BUS
 EEC2B/DMC2(1WT2):

 - replace the DMC-2 (1WT2) (Ref. AMM TASK 31-63-34-000-001) and (Ref. AMM TASK 31-63-34-400-001).
 (1) If the fault continues:
 - do a check and repair the wiring from the DMC 2 (1WT2) pins AE/15A, 15B to the first terminal block (Ref. ASM 31-62/01).
R **ON A/C 106-149, 303-399, 401-499,
 B. Do the test given in Para. 3.B.

 TASK 31-63-00-810-886
 Loss of the ECU 1 Channel A Output Bus by the DMC 3
 1. Possible Causes
_______________
 - DMC-3 (1WT3)

 - wiring

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