3. Fault Confirmation
__________________
A. Do the operational test of the Engine Interface Unit (EIU) through the Centralized Fault Display System (CFDS) (Ref. AMM TASK 73-25-34-710-043).
4. Fault Isolation
_______________
A. If the test gives the maintenance message CHECK ECU 2 A1 and B1 BUS or EIU 2:
- replace the EIU-2 (1KS2) (Ref. AMM TASK 73-25-34-000-040) and (Ref. AMM TASK 73-25-34-400-040).
(1) If the fault continues:
- replace the ECU (4000KS) (Ref. AMM TASK 73-21-60-000-001) and (Ref. AMM TASK 73-21-60-400-001).
(2) If the fault continues:
- do a check and repair the wiring from the ECU 2 (4000KS) to the EIU 2 (1KS2) pins J3/24, 11 to pins AA/15A, 15C, and pins J4/24, 11 to pins AA/14K, 15J (Ref. ASM 73-25/06) and (Ref. ASM 73-25/10).
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B. Do the test given in Para. 3.A.
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TASK 73-25-00-810-827
Loss of Channel A Data from the ECU on Engine 1
1. Possible Causes
_______________
- EIU-1 (1KS1)
- ECU (4000KS)
- wiring from the ECU 1 (4000KS) to the EIU 1 (1KS1)
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------
REFERENCE DESIGNATION
-------------------------------------------------------------------------------
R AMM 73-21-60-000-001 Removal of the Electronic Control Unit (ECU)(4000KS) AMM 73-21-60-400-001 Installation of the Electronic Control Unit R (ECU)(4000KS) AMM 73-25-34-000-040 Removal of the Engine Interface Unit (EIU) (1KS1,1KS2) AMM 73-25-34-400-040 Installation of the Engine Interface Unit (EIU)
(1KS1,1KS2)
AMM 73-25-34-710-043 Operational Test of the Engine Interface Unit
ASM 73-25/10
3. Fault Confirmation
__________________
A. Do the operational test of the Engine Interface Unit (EIU) through the Centralized Fault Display System (CFDS) (Ref. AMM TASK 73-25-34-710-043).
4. Fault Isolation
_______________
A. If the test gives the maintenance message EIU1 : NO FADEC 1A DATA:
- replace the ECU (4000KS) (Ref. AMM TASK 73-21-60-000-001) and (Ref. AMM TASK 73-21-60-400-001).
(1) If the fault continues:
- replace the EIU-1 (1KS1) (Ref. AMM TASK 73-25-34-000-040) and (Ref. AMM TASK 73-25-34-400-040).
(2) If the fault continues:
- do a check and repair the wiring from the ECU 1 (4000KS) to the EIU 1 (1KS1) pins J3/24, 11 to pins AA/15A, 15C (Ref. ASM 73-25/10).
B. Do the test given in Para. 3.A.
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TASK 73-25-00-810-843
Failure of the ECU Power Supply on Engine 1
1. Possible Causes
_______________
- EIU-1 (1KS1)
- ECU (4000KS)
- wiring from the ECU 1 (4000KS) to the EIU 1 (1KS1)
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
R AMM 73-21-60-000-001 Removal of the Electronic Control Unit (ECU)(4000KS) AMM 73-21-60-400-001 Installation of the Electronic Control Unit R (ECU)(4000KS) AMM 73-25-34-000-040 Removal of the Engine Interface Unit (EIU) (1KS1,1KS2) AMM 73-25-34-400-040 Installation of the Engine Interface Unit (EIU)
(1KS1,1KS2)
AMM 73-25-34-710-043 Operational Test of the Engine Interface Unit
ASM 73-25/06
ASM 73-25/10
3. Fault Confirmation
__________________
A. Do the operational test of the Engine Interface Unit (EIU) through the Centralized Fault Display System (CFDS) (Ref. AMM TASK 73-25-34-710-043).
4. Fault Isolation
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本文链接地址：A320 Trouble Shooting Manual 排故手册 发动机燃油和控制 2(35)
