TM 9-2320-365-20-2
2-1286
e116. M1079 HEATER DOES NOT OPERATE (CONT)
TEST OPTIONS
REASON FOR QUESTION
KNOWN INFO
Continuity Test or
STE/ICE-R Test #91
6.
Is continuity present on
wire 1499R from
THERMOSTAT connector
P245 pin A to thermostat
terminal 1?
YES
NO
Fan OK.
Wire 400 OK.
Wire 1499A OK.
Wire 3085A OK.
M1079 heater power
cable OK.
Wire 401 OK.
POSSIBLE PROBLEMS
Faulty wire 1499R.
Faulty wire 3086C.
Faulty M1079 heater
thermostat cable.
Faulty M1079 heater
thermostat.
Faulty M1079 heater
control cable.
Faulty M1079 heater.
Repair or replace wire
1499R (para 2-40).
If continuity is not present,
wire 1499R is faulty.
