TM 1–1520–238–T–3
27–6
Change 5
27–27 SIGNAL NAME:
INS PBIT STATUS
MEMORY LOCATION: 002737
MEMORY DATA BIT(S):
10
(BINARY)
CONDITION:
(None)
SIGNAL FUNCTION:
Indicates INS periodic bit GO or NOGO.
REMARKS: From EGI to FCC.
PASS:
If fourth digit displayed on CDU is 5, go to paragraph 27–28.
FAIL: Location of fault: Replace EGI (TM 11–1520–238–23–1).
27–28 SIGNAL NAME:
INS IBIT IN PROGRESS
MEMORY LOCATION: 11
(BINARY)
MEMORY DATA BIT(S):
002737
CONDITION:
(None)
SIGNAL FUNCTION:
Indicates INS initiated BIT in progress.
REMARKS: From EGI to FCC.
PASS:
If third digit displayed on CDU is 0 or 2, go to paragraph 27–29.
FAIL: Location of fault: Replace EGI (TM 11–1520–238–23–1).
27–29 SIGNAL NAME:
INS IBIT STATUS
MEMORY LOCATION: 12
(BINARY)
MEMORY DATA BIT(S):
002737
CONDITION:
(None)
SIGNAL FUNCTION:
Indicates INS initiated BIT GO or NOGO.
REMARKS: From EGI to FCC.
PASS:
If third digit displayed on CDU is 2, go to paragraph 27–30.
FAIL: Location of fault: Replace EGI (TM 11–1520–238–23–1).
27–30 SIGNAL NAME:
EGR PBIT STATUS
MEMORY LOCATION: 002700
MEMORY DATA BIT(S):
15
(BINARY)
CONDITION:
(None)
SIGNAL FUNCTION:
Indicates EGR periodic bit GO or NOGO.
REMARKS: From EGI to FCC.
PASS:
If second digit displayed on CDU is 2, 3, 6 or 7, go to paragraph 27–31.
FAIL: Location of fault: Replace EGI (TM 11–1520–238–23–1).
27–31 SIGNAL NAME:
EGR IBIT STATUS
MEMORY LOCATION: 002700
MEMORY DATA BIT(S):
17
(BINARY)
CONDITION:
(None)
SIGNAL FUNCTION:
Indicates EGR initiated bit GO or NOGO.
REMARKS: From EGI to FCC.
PASS:
If first digit displayed on CDU is 4, 5 or 6, go to paragraph 27–32.
FAIL: Location of fault: Replace EGI (TM 11–1520–238–23–1).
27–32 SIGNAL NAME:
EGR FAILED
MEMORY LOCATION: 002737
MEMORY DATA BIT(S):
19
(BINARY)
CONDITION:
(None)
SIGNAL FUNCTION:
Indicates EGR has failed.
REMARKS: From EGI to FCC.
PASS:
If first digit displayed on CDU is 0 or 4, go to paragraph 27–33.
FAIL: Location of fault: Replace EGI (TM 11–1520–238–23–1).
