E. Do this test:
 -------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
1. On the panel 115VU, set the  The upper display unit of the ECAM
 ENG/MODE/CRANK/AUTO IGN/IGN system does not show XX but shows
 selector switch to IGN START. engine parameters:

 - N1 = 0

 - N2 = 0

 - FF = 0

 - EGT = ambient temperature

 4. Fault Isolation
_______________
 A. If the test is confirmed:
 (1) Do a check and repair the wiring between the FADEC GND PWR pushbutton switch (7KS1) and the EIU 1 (1KS1), (Ref. ASM 73-25/08).

 (2) If the fault continues:

 - replace the P/BSW-ENG/FADEC GND PWR/1 (7KS1).
 B. Do the functional test of the ECU (Ref. AMM TASK 73-21-60-720-040).
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 A. Put the aircraft back to its initial configuration.
 (1) Do the EIS stop procedure (Ref. AMM TASK 31-60-00-860-002).
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 TASK 73-29-00-810-807

 All engine 2 parameters are XX on the upper ECAM DU on the ground with the
 FADEC GND PWR pushbutton switch set to ON.

 1. Possible Causes
_______________
 - wiring between the FADEC GND PWR pushbutton switch (7KS2) and the EIU 2 (1KS2)

 - P/BSW-ENG/FADEC GND PWR/ 2 (7KS2)

 2. Job Set-up Information
______________________
 A. Fixtures, Tools, Test and Support Equipment
 -------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific circuit breaker(s) safety clip(s)
 B. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 31-60-00-860-001 EIS Start Procedure AMM 31-60-00-860-002 EIS Stop Procedure AMM 73-21-60-720-040 Functional Test of the Electronic Control Unit (ECU) ASM 73-25/08
 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 49VU ENGINE/1 AND 2/IGN/SYS A 1JH A03 121VU ENGINE/IGN/ENG2/SYS B 3JH2 P42 121VU ENGINE/IGN/ENG2/SYS A BAT 2JH2 P40 121VU ENGINE/ENG2/FADEC B 4KS2 Q40
 B. Aircraft Maintenance Configuration
 NOTE : If the circuit breakers 2KS2, 4KS2 are opened, stop for 5 minutes
____
 before you start the procedure.

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 C. Open, safety and tag this(these) circuit breaker(s):

 -------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------121VU ENGINE/ENG1 AND 2 FIRE EXTIG/BTL1/SQUIB/B 2WE1 Q44 121VU ENGINE/ENG1 AND 2 FIRE EXTIG/BTL1/SQUIB/A 1WE1 Q43 121VU ENGINE/ENG1 AND 2 FIRE EXTIG/BTL2/SQUIB/B 2WE2 Q42 121VU ENGINE/ENG1 AND 2 FIRE EXTIG/BTL2/SQUIB/A 1WE2 Q41
 D. Job Set-Up
 (1) On the panel 115VU, make sure that:

 (a) The ENG/MODE/CRANK/AUTO IGN/IGN selector switch is set to NORM.

 (b) The ENG MASTER 2 switch is set to OFF.

 (2) On the panel 22VU, make sure that the ENG/MAN START/2 pushbutton switch is released.

 (3) Do the EIS start procedure (Ref. AMM TASK 31-60-00-860-001).

 E. Do this test:
 -------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
　
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