Loss of the ECU 1 Channel B Output Bus by the DMC 1
 1. Possible Causes
_______________
 - DMC-1 (1WT1)

 - wiring

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

 3. Fault Confirmation
__________________
 A. Make sure that this(these) circuit breaker(s) is(are) closed:
 -------------------------------------------------------------------------------
PANEL DESIGNATION IDENT. LOCATION
 -------------------------------------------------------------------------------
121VU ENGINE/ENG1/FADEC B/AND EIU 1 4KS1 R41
R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 301-399,
 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).

 4. Fault Isolation
_______________
R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 301-399,
 A. If the test gives the maintenance message DMC 1 : NO ECU 1B DATA:
 - replace the DMC-1 (1WT1) (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 1 (1WT1) pins AA/15A, 15B to the first terminal block (Ref. ASM 31-62/01).
R **ON A/C 401-499,
 A. If the test gives the maintenance message ECU(E1-4000KS)BUS
 ECU1B/DMC1(1WT1):

 - replace the DMC-1 (1WT1) (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 1 (1WT1) pins AE/15J, 15K to the first terminal block (Ref. ASM 31-62/01).
 **ON A/C ALL
 B. Do the test given in Para. 3.B.

 Loss of the ECU 2 Channel A Output Bus by the DMC 1
 1. Possible Causes
_______________
 - DMC-1 (1WT1)

 - wiring

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

 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 001-049, 051-099, 101-149, 151-199, 201-299, 301-399,
 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).
 「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 ∞∞31-63-00∞∞∞∞∞∞∞∞∞∞Page A218
 Aug 01/05 CES 4. Fault Isolation

_______________
 A. If the test gives the maintenance message DMC 1 : NO ECU 2A DATA:
 - replace the DMC-1 (1WT1) (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 1 (1WT1) pins AA/1J, 1K to the first terminal block (Ref. ASM 31-62/01).
 B. Do the test given in Para. 3.B.

 Loss of the ECU 2 Channel B Output Bus by the DMC 1
 1. Possible Causes
_______________
 - DMC-1 (1WT1)

 - wiring

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