TM 1-1520-238-T-4
6–74
Change 5
6–15.
HOD NGB 1 READING – DISPLAYS 0 LB OIL PRESSURE (cont)
6–15
5. Detach P61. Check for short between:
P673–85 and ground,
P673–84 and ground,
P673–112 and ground,
P673–113 and ground.
Does short exist?
YES
Repair shorted wire between:
P673–85 and J403–B4,
P673–84 and J403–B5,
P673–112 and J403–B15,
P673–113 and J403–B16,
P403–B4 and J61–L,
P403–B5 and J61–M,
P403–B15 and J61–P,
P403–B16 and J61–R.
NO
Refer to TM 9-1230-476-20-2 to
troubleshoot multiplex
subsystem.
END OF TASK
