TM 9-2320-365-20-2
2-1284
e116. M1079 HEATER DOES NOT OPERATE (CONT)
TEST OPTIONS
REASON FOR QUESTION
KNOWN INFO
Continuity Test or
STE/ICE-R Test #91
5.
YES
NO
Fan OK.
Wire 400 OK.
Wire 1499A OK.
Wire 3085A OK.
M1079 heater power
cable OK.
POSSIBLE PROBLEMS
Faulty wire 401.
Faulty wire 1499R.
Faulty wire 3086C.
Faulty M1079 heater
thermostat cable.
Faulty M1079 heater
thermostat.
Faulty M1079 heater
control cable.
Faulty M1079 heater.
Is continuity present on
wire 401 from
THERMOSTAT connector
P245 pin C to thermostat
terminal 3?
Repair or replace wire
401 (para 2-40).
If continuity is not present,
wire 401 is faulty.