TM 1–1520–238–T–3
8–142
Change 4
8–526 SIGNAL NAME:
P2M4 MSL AUTO PILOT POWER CONTROL (ACY)
P2M4 AUTOPLT PWR (ACZ)
MEMORY LOCATION: 001315
MEMORY DATA BIT(S):
9
(BINARY)
CONDITION:
(None)
SIGNAL FUNCTION:
Controls application of auto pilot power to missile.
REMARKS: From RHE to ECSP.
PASS:
If fourth digit on HOD is 2, 3, 6, or 7, go to paragraph 8–527.
FAIL: Location of fault: RHE, wiring from RHE to ECSP, ECSP. Troubleshoot wiring to isolate fault
(TM 9–1427–475–20).
8–527 SIGNAL NAME:
P2M4 MSL AUTO PILOT POWER CONTROL (ACY)
P2M4 AUTOPLT PWR (ACZ)
MEMORY LOCATION: 001752
MEMORY DATA BIT(S):
9
(BINARY)
CONDITION:
(None)
SIGNAL FUNCTION:
Controls application of auto pilot power to missile.
REMARKS: From launcher through left inboard MRTU Type II to FCC.
PASS:
If fourth digit on HOD is 2, 3, 6, or 7, go to paragraph 8–528.
FAIL: Location of fault: left inboard launcher, wiring from left inboard launcher to left inboard MRTU
Type II, left inboard MRTU Type II. Troubleshoot wiring to isolate fault (TM 9–1427–475–20).
8–528 SIGNAL NAME:
P2M4 MSL AUTO PILOT POWER (ACY) P2M4 A/P PWR OK (ACZ)
MEMORY LOCATION: 001415
MEMORY DATA BIT(S):
17
(BINARY)
CONDITION:
(None)
SIGNAL FUNCTION:
Specifies auto pilot power is above minimum value (+18 VDC).
REMARKS: From ECSP to RHE.
PASS:
If first digit on HOD is 4, 5, 6, or 7, go to paragraph 8–529.
FAIL: Location of fault: replace left inboard launcher (TM 9–1425–475–30–2).
8–529 SIGNAL NAME:
P2M4 MSL AUTO PILOT POWER (ACY) P2M4 A/P PWR OK (ACZ)
MEMORY LOCATION: 001733
MEMORY DATA BIT(S):
17
(BINARY)
CONDITION:
(None)
SIGNAL FUNCTION:
Specifies auto pilot power is above minimum value (+18 VDC).
REMARKS: From launcher through left inboard MRTU Type II to FCC.
PASS:
If first digit on HOD is 4, 5, 6, or 7, refer to failure symptom index and next failure symptom
paragraph.
FAIL: Location of fault: left inboard launcher, wiring from left inboard launcher to left inboard MRTU
Type II, left inboard MRTU Type II. Troubleshoot wiring to isolate fault (TM 9–1427–475–20).
