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R . pin 6 and the ground (more than 10 megohms)
R . pin 8 and the ground (more than 10 megohms)
R a_ If the resistance values are in the specified limits:
R - replace the CJ11R harness (Ref. AMM TASK 73-21-50-000-
R 026) (Ref. AMM TASK 73-21-50-400-026).
R b_ If the resistance values are out of the specified limits:
R - replace the BSV (Ref. AMM TASK 73-11-70-000-002) (Ref.
R AMM TASK 73-11-70-400-002).
R (b) If the resistance values are in the specified limits:
R - replace the ECU (4000KS) (Ref. AMM TASK 73-21-60-000-001) (Ref.
R AMM TASK 73-21-60-400-001)
R B. Do the test given in Para. 3.A.
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R TASK 73-10-00-810-851
R Feedback Disagree on Channel B of the BSV on engine 1
R 1. Possible Causes
_______________
R - J14 Identification connector R - HJ11 harness R - CJ12R harness R - BSV R - ECU (4000KS)
R 2. Job Set-up Information
______________________
R A. Referenced Information
R -------------------------------------------------------------------------------R REFERENCE DESIGNATION R -------------------------------------------------------------------------------
R AMM 73-11-70-000-002
R AMM 73-11-70-400-002
R AMM 73-21-50-000-026
R AMM 73-21-50-000-044
R AMM 73-21-50-400-026
R AMM 73-21-50-400-044
R AMM 73-21-60-000-001
R AMM 73-21-60-400-001
R
R AMM 73-21-90-000-002
R AMM 73-21-90-400-002
R AMM 73-21-90-860-001
R
R AMM 73-29-00-710-040
R
R ASM 73-25/18
R 3. Fault Confirmation__________________
Removal of the Burner Staging Valve (BSV) Installation of the Burner Staging Valve (BSV) Removal of the CJ11R Harness Removal of the HJ11 Harness Installation of the CJ11R Harness Installation of the HJ11 Harness Removal of the Electronic Control Unit (ECU)(4000KS) Installation of the Electronic Control Unit (ECU)(4000KS) Removal of the Engine Identification Connector Installation of the Engine Identification Connector Programming of the Identification Connector (Push-Pull Design) Operational Test of the FADEC on the Ground (with Engine Motoring)
R A. Do the operational test of the FADEC on the ground (with engine motoring) R (Ref. AMM TASK 73-29-00-710-040).
R 4. Fault Isolation
_______________
R A. If the test gives the maintenance message BSV, J12, J14(WRONG): R - verify the nameplate of the engine:
R (1) If the nameplate is for a SAC engine: R - Replace J14 Identification connector (Ref. AMM TASK 73-21-90-000-R 002) (Ref. AMM TASK 73-21-90-400-002) or Do a Re-programming of the R Identification Connector (Push-pull Design only) (Ref. AMM TASK 73-R 21-90-860-001).
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R NOTE : This fault will be set if a DAC ID plug is installed on a SAC
____ R engine. The engine nameplate and ID plug can be checked on the R MCDU screen. Acces reporting functions, then select the LRU R Identification Screen. Line 4 of the LRU Identification Screen R will display. R - "EGT MON" or "SAC CONFIG" for a SAC ID plug R - "DAC CONFIG" for a DAC ID plug
R (2) If the nameplate is for a DAC engine:
R - Disconnect the HJ12 harness from the ECU (4000KS)
R - Do a resistance check of the HJ12 harness between (Ref. ASM 73-R 25/18):
R . pins 34 and 35 (72 to 89 ohms)
R . pins 18 and 36 (42 to 52 ohms)
R . pins 16 and 33 (42 to 52 ohms)
R . pins 34 and 17 (more than 10 megohms)
R . pins 18 and 17 (more than 10 megohms)
R . pins 16 and 17 (more than 10 megohms) 中国航空网 www.aero.cn 航空翻译 www.aviation.cn 本文链接地址：A320 Trouble Shooting Manual 排故手册 发动机燃油和控制 1(63)
