TM 1–1520–238–T–3
Change 4
3–29
3–126 SIGNAL NAME: CPG DECOUPLER COLL 1 (ACY) C CLTV DCPL1 STAT (ACZ)
MEMORY LOCATION: 002110
MEMORY DATA BIT(S): 14 (BINARY)
CONDITION: (None)
SIGNAL FUNCTION: Indicates status of CPG decoupler collective (vertical) 1 switch.
REMARKS: From CPG decoupler collective (vertical) 1 switch through DASEC to FCC.
PASS: If second digit displayed on HOD is 0, 1, 2, or 3, go to paragraph 3–127.
FAIL: Location of fault: CPG decoupler collective (vertical) 1 switch, wiring from CPG decoupler
collective (vertical) 1 switch to DASEC, DASEC. Troubleshoot wiring to isolate fault
(TM 1–1520–238–T–7).
3–127 SIGNAL NAME: CPG DECOUPLER COLL 2 (ACY) C CLTV DCPL2 STAT (ACZ)
MEMORY LOCATION: 002110
MEMORY DATA BIT(S): 15 (BINARY)
CONDITION: (None)
SIGNAL FUNCTION: Indicates status of CPG decoupler collective (vertical) 2 switch.
REMARKS: From CPG decoupler collective (vertical) 2 switch through DASEC to FCC.
PASS: If second digit displayed on HOD is 0 or 1, go to paragraph 3–128.
FAIL: Location of fault: CPG decoupler collective (vertical) 2 switch, wiring from CPG decoupler
collective (vertical) 2 switch to DASEC, DASEC. Troubleshoot wiring to isolate fault
(TM 1–1520–238–T–7).
3–128 SIGNAL NAME: CPG CYCLIC GRIP FAIL (ACY) CPG CYC GRIP STAT (ACZ)
MEMORY LOCATION: 002110
MEMORY DATA BIT(S): 16 (BINARY)
CONDITION: (None)
SIGNAL FUNCTION: Indicates capability of force trim and ASE release buttons to function properly.
REMARKS: From DASEC to FCC.
PASS: If second digit displayed on HOD is 0, go to paragraph 3–129.
FAIL: Location of fault: CPG cyclic grip, wiring from CPG cyclic grip to DASEC, DASEC. Troubleshoot
wiring to isolate fault (TM 1–1520–238–T–7).
3–129 SIGNAL NAME: CPG BUCS SELECT (ACY) CPG BUCS SW STAT (ACZ)
MEMORY LOCATION: 002110
MEMORY DATA BIT(S): 17 (BINARY)
CONDITION: (None)
SIGNAL FUNCTION: Indicates position of CPG BUCS trigger switch.
REMARKS: From CPG BUCS trigger switch through DASEC to FCC.
PASS: If first digit displayed on HOD is 0 or 2, go to paragraph 3–130.
FAIL: Location of fault: CPG BUCS trigger switch, wiring from CPG BUCS trigger switch to DASEC,
DASEC. Troubleshoot wiring to isolate fault (TM 1–1520–238–T–7).
