- replace the ADIRU-1 (1FP1) (Ref. AMM TASK 34-12-34-000-001) and (Ref. AMM TASK 34-12-34-400-001).
 **ON A/C ALL
 B. Do the test given in Para. 3.

 Failure of the ADIRU2 Mounting-Position Pin-Programming
 1. Possible Causes
_______________
 - ADIRU-2 (1FP2)

 - wiring of the defective programming pins

 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 34-12-34-000-001 Removal of the ADIRU (1FP1, 1FP2, 1FP3)
 AMM 34-12-34-400-001 Installation of the ADIRU (1FP1, 1FP2, 1FP3)
 AMM 34-14-00-740-001 Interface Test of the IR
 ASM 34-12/02

 3. Fault Confirmation
__________________
 A. Test Do the Interface test of the IR (system 2) (Ref. AMM TASK 34-14-00-740-001).
 4. Fault Isolation
_______________
R **ON A/C 001-049, 101-105, 151-199, 201-203,
 A. If the test gives the maintenance message WRG : MOUNTING POSITION PIN PROG:
 - do a check of the AZIMUTH ORIENTATION pin-programming pins AA/1A, 2A, 3A on the rack connector,

 - compare the status of the AZIMUTH ORIENTATION pin-programming with the status given in the ASM (Ref. ASM 34-12/02).

 (1) If the pin programming is incorrect:

 - repair the wiring of the defective programming pins (Ref. ASM 34-12/02).

 (2) If the pin programming is correct:

 - replace the ADIRU-2 (1FP2) (Ref. AMM TASK 34-12-34-000-001) and (Ref. AMM TASK 34-12-34-400-001).

R **ON A/C 051-099, 106-149, 204-299, 301-399, 401-499,

 A. If the test gives the maintenance message WRG:MTG POS PIN PROG/ADIRU2 (1FP2):
 - do a check of the AZIMUTH ORIENTATION pin-programming pins AA/1A, 2A, 3A on the rack connector,

 - compare the status of the AZIMUTH ORIENTATION pin-programming with the status given in the ASM (Ref. ASM 34-12/02).

 (1) If the pin programming is incorrect:

 - repair the wiring of the defective programming pins (Ref. ASM 34-12/02).

 (2) If the pin programming is correct:

 - replace the ADIRU-2 (1FP2) (Ref. AMM TASK 34-12-34-000-001) and (Ref. AMM TASK 34-12-34-400-001).
 **ON A/C ALL
 B. Do the test given in Para. 3.

 Failure of the ADIRU3 Mounting-Position Pin-Programming
 1. Possible Causes
_______________
 - ADIRU-3 (1FP3)

 - wiring of the defective programming pins

 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 34-12-34-000-001 Removal of the ADIRU (1FP1, 1FP2, 1FP3)
 AMM 34-12-34-400-001 Installation of the ADIRU (1FP1, 1FP2, 1FP3)
 AMM 34-14-00-740-001 Interface Test of the IR
 ASM 34-12/03

 3. Fault Confirmation
__________________
 A. Test Do the Interface test of the IR (system 3) (Ref. AMM TASK 34-14-00-740-001).
 4. Fault Isolation
_______________
R **ON A/C 001-049, 101-105, 151-199, 201-203,
 A. If the test gives the maintenance message WRG : MOUNTING POSITION PIN PROG:
 - do a check of the AZIMUTH ORIENTATION pin-programming pins AA/1A, 2A, 3A on the rack connector,

 - compare the status of the AZIMUTH ORIENTATION pin-programming with the status given in the ASM (Ref. ASM 34-12/03).

 (1) If the pin programming is incorrect:

 - repair the wiring of the defective programming pins (Ref. ASM 34-12/03).

 (2) If the pin programming is correct:

 - replace the ADIRU-3 (1FP3) (Ref. AMM TASK 34-12-34-000-001) and (Ref. AMM TASK 34-12-34-400-001).

R **ON A/C 051-099, 106-149, 204-299, 301-399, 401-499,
 A. If the test gives the maintenance message WRG:MTG POS PIN PROG/ADIRU3 (1FP3):
 - do a check of the AZIMUTH ORIENTATION pin-programming pins AA/1A, 2A, 3A on the rack connector,

 - compare the status of the AZIMUTH ORIENTATION pin-programming with the status given in the ASM (Ref. ASM 34-12/03).

 (1) If the pin programming is incorrect:

 - repair the wiring of the defective programming pins (Ref. ASM 34-12/03).

 (2) If the pin programming is correct:

 - replace the ADIRU-3 (1FP3) (Ref. AMM TASK 34-12-34-000-001) and (Ref. AMM TASK 34-12-34-400-001).
　
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