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 3 If there is no continuity:
_
 - replace the RELAY-L/G POSITION, SYS 2 (12GB)
 4 If there is no 28 VDC:
_
 - do a check and repair the wiring as necessary between: the RELAY-L/G POSITION, SYS 2 (12GB) connector A/D1 and the LGCIU-2 (5GA2) (Ref. ASM 52-35/01).
 (2) If the fault continues:
 - do a check for a GND signal at: the LGCIU-2 (5GA2) connector AA/9B (Ref. ASM 523501S01).
 (a) If there is no GND signal:
 - do a check and repair each part of the wiring between: the LGCIU-2 (5GA2) connector AA/9B and the connector A/A of 7552VC (Ref. ASM 52-35/01).
 1 If the fault continues:
_
 - do a check and repair the wiring between: the connector A/A of the 7552VC and GND (Ref. ASM 52-35/01).
 (3) If the fault continues:
 - do a check for 28 VDC between: the LGCIU-2 (5GA2) connector AA/7B and GND (Ref. ASM 523501S01)
 (a) If there is no 28 VDC:
 - do a check for continuity between: the MAN SEL VALVE-AFT CARGO DOOR (2504MJ) connectors A/B and the LGCIU-2 (5GA2) connector AA/7B (Ref. ASM 52-35/01).
 1 If there is no continuity:
_
 - do a check and repair the wiring as necessary between: the MAN SEL VALVE-AFT CARGO DOOR (2504MJ) connectors A/B and the LGCIU-2 (5GA2) connector AA/7B (Ref. ASM 52-35/01).
 2 If there is continuity:
_
 - do a check for 28VDC between: the MAN SEL VALVE-AFT CARGO DOOR (2504MJ) connector A/A and GND (Ref. ASM 52-35/01).
 3 If there is no 28 VDC:
_
 - do a check and repair the wiring as necessary between: the MAN SEL VALVE-AFT CARGO DOOR (2504MJ) connectors A/A and the CB (1MJ) (Ref. ASM 52-35/01), the MAN SEL VALVE-AFT CARGO DOOR (2504MJ) connectors A/C and the GND (Ref. ASM 52-35/01).
 「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1R EFF : 001-049, 101-105, ∞∞52-36-00∞∞∞∞∞∞∞∞∞∞Page 215
 May 01/05 CES 4 If there is 28 VDC:

_
 - replace the MAN SEL VALVE-AFT CARGO DOOR (2504MJ) (Ref. AMM TASK 52-36-15-000-001) and (Ref. AMM TASK 52-36-15-400-001).
 (4) If the fault continues:

 - make sure that the clearance between the target and the proximity sensor (SW-LOCKING SHAFT (12MJ)) is correctly adjusted (Ref. AMM TASK 52-35-13-400-002).
 (a) If the fault continues:
 - do the trouble shooting of the SW-LOCKING SHAFT (12MJ) (Ref. TASK 32-31-00-810-835).

 (5) If the fault continues:

 - do the trouble shooting of the LGCIU-2 (5GA2) (Ref. TASK 32-31-00-810-802).
R **ON A/C 051-099, 106-149, 151-199, 201-299, 301-399, 401-499,
 A. If the fault confirmation gives that only the AFT cargo door does not open and the ELEC PUMP-Y (3075GX) does not operate (fault in the door control system):
 - do a check for 28 VDC between: the RELAY-TIME (6MJ) connector A/B1 and GND (Ref. ASM 52-35/01).
 NOTE : Make sure that the selector of the manual selector valve 2504MJ is
____ set to OPEN during the fault isolation procedure.
 (1) If there is 28 VDC:
 - do a check for 28VDC between the RELAY-TIME (6MJ) connector A/C1 and GND (Ref. ASM 52-35/01).
 (a) If there is 28 VDC:
 - do a check for 28 VDC between: the RELAY-TIME (6MJ) connector A/X1 and GND (Ref. ASM 52-35/01).
 1 If there is 28 VDC:
_
 - replace the RELAY-TIME (6MJ).
 (b) If there is no 28 VDC:
 - do a check for for 28 VDC: the RELAY-L/G POSITION, SYS 2 (12GB) connector A/D1 and GND (Ref. ASM 52-35/01).
 1 If there is 28 VDC:
_
 - do a check for continuity: the RELAY-L/G POSITION, SYS 2 (12GB) connector A/D1 and A/D2 (Ref. ASM 52-35/01).
 「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 ∞∞52-36-00∞∞∞∞∞∞∞∞∞∞Page 216
 Aug 01/05 CES 2 If there is continuity:

_
 - do a check and repair the wiring as necessary between: the RELAY-TIME (6MJ) connector A/C1 and the RELAY-L/G POSITION, SYS 2 (12GB) connector A/D2 (Ref. ASM 52-35/01).
 3 If there is no continuity:
_
 - replace the RELAY-L/G POSITION, SYS 2 (12GB)
 4 If there is no 28 VDC:
_
 - do a check and repair the wiring as necessary between: the RELAY-L/G POSITION, SYS 2 (12GB) connector A/D1 and the LGCIU-2 (5GA2) (Ref. ASM 52-35/01).
 (2) If the fault continues:

 - do a check for a GND signal at: the LGCIU-2 (5GA2) connector AA/9B (Ref. ASM 523501S01).
 (a) If there is no GND signal:
 - do a check and repair the wiring between: the LGCIU-2 (5GA2) connector AA/9B and GND (Ref. ASM 52-35/01).
　
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