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TM 9-2320-364-20-3
2-1933
(1) Disconnect harness connector MC111
from back of CTIS controller.
(2) Set multimeter select switch to volts dc.
(3) Connect positive (+) multimeter lead
to CTIS controller connector MC111,
terminal 10.
(4) Connect negative (–) multimeter lead
to a known good ground.
(5) Turn ON ENGINE switch
(TM 9-2320-364-10).
(a) If 22 to 28 vdc are not present,
turn OFF ENGINE switch and
replace CTIS controller
(Para 13-7).
(b) If 22 to 28 vdc are present,
CTIS controller is OK.
(6) Turn OFF ENGINE switch.
(7) Connect harness connector
MC111 on back of CTIS controller.
VOLTAGE TEST
Remove all jewelry such as rings, dog tags, bracelets, etc. If jewelry or tools contact positive electrical
circuits, a direct short may result. Damage to equipment, injury or death to personnel may occur.
(1) Disconnect front manifold harness
connector MC109.
(2) Connect positive (+) multimeter lead
to wire 1065 at harness connector
MC109, terminal 10.
(3) Connect negative (–) multimeter lead
to front manifold ground braid.
(4) Turn ON ENGINE switch
(TM 9-2320-364-10).
(a) If 22 to 28 vdc are not present,
turn OFF ENGINE switch and
repair wire 1065 (see schematic
Fig 2-48) or notify DS
Maintenance.
(b) If 22 to 28 vdc are present,
wire 1065 is OK.
(5) Turn OFF ENGINE switch.
(6) Connect harness connector MC109
on front manifold.
VOLTAGE TEST
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