TM 9-2320-365-20-2
2-1295
CONTINUITY TEST
(1) Disconnect connector P4A from heater
connector.
(2) Set multimeter to ohms.
(3) Connect positive (+) probe of multimeter to
connector P4A pin 1.
(4) Connect negative (-) probe of multimeter to
connector J4A socket 1 and note reading on
multimeter.
(5) Connect positive (+) probe of multimeter to
connector P4A pin 2.
(6) Connect negative (-) probe of multimeter to
connector J4A socket 2 and note reading on
multimeter.
(7) Connect positive (+) probe of multimeter to
connector P4A pin 3.
(8) Connect negative (-) probe of multimeter to
connector J4A socket 3 and note reading on
multimeter.
(9) Connect positive (+) probe of multimeter to
connector P4A pin 4.
(10) Connect negative (-) probe of multimeter to
connector J4A socket 4 and note reading on
multimeter.
(11) Connect positive (+) probe of multimeter to
connector P4A pin 5.
(12) Connect negative (-) probe of multimeter to
connector J4A socket 5 and note reading on
multimeter.
(13) Connect positive (+) probe of multimeter to
connector P4A pin 6.
(14) Connect negative (-) probe of multimeter to
connector J4A socket 6 and note reading on
mutimeter.
(15) Connect positive (+) probe of multimeter to
connector P4A pin 7.
(16) Connect negative (-) probe of multimeter to
connector J4A socket 7 and note reading on
multimeter.
(17) Connect positive (+) probe of multimeter to
connector P4A pin 8.
(18) Connect negative (-) probe of multimeter to
connector J4A socket 8 and note reading on
multimeter.
(19) If continuity is not present in step 4, 6, 8, 10,
12, 14, 16, or 18, replace M1079 heater control
cable (para 20-53).
(20) If continuity is present, troubleshoot M1079
heater (TM 5-4520-253-13).
(21) Connect connector P127 to heater connector.
(22) Install M1079 heater deflector/duct (para 20-50).
