TM 5-3895-385-23-1
0032
Table 1. SPN#110, FMI#16 ― Engine Coolant Temperature Above
Engine Protection Warning Limit -- Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
4. Measure the resistance between
1. If resistance measurement is
the engine coolant temperature
180 Ohms (Ω) to 160 kiloOhms
sensor SIGNAL pin (pin A) and
(kΩ), restore equipment to
engine coolant temperature
original condition, and proceed
sensor RETURN pin (pin B) at
to next test.
the engine coolant temperature
sensor (WP 0448, Vol 3, Figure
11). Refer to Table 2 (WP 0443,
Vol 3).
2. If resistance measurement is
not 180 Ω to 160 kΩ, replace
coolant temperature sensor
(WP 0333, Vol 2).
9. Faulty radiator cap.
1. Inspect installation of radiator
1. Properly install radiator cap or
cap and coolant overflow bottle
coolant overflow bottle cap
cap (WP 0367, Vol 2).
(WP 0367, Vol 2).
2. If radiator cap and coolant
bottle overflow cap are properly
installed, proceed to next test.
2. Inspect rubber seal on radiator
1. If damaged, install new radiator
cap for damage.
cap (WP 0367, Vol 2).
2. If not damaged, proceed to
next test.
3. Test radiator cap using radiator
1. If radiator cap relief valve
testing kit.
opens when pressure is above
16 pounds per square inch
(psi) (110 kiloPascals (kPa)),
proceed to next malfunction.
2. If relief valve fails to open when
pressure is above 16 psi (110
kPa), replace radiator cap (WP
0367, Vol 2).
10.Radiator fill neck damaged.
Inspect radiator fill neck for cracks,
1. If fill neck is damaged, replace
corrosion, or other damage (WP
radiator (WP 0364, Vol 2).
0367, Vol 2).
2. If not damaged, proceed to
next malfunction.
11.Cooling system leak.
Test cooling system with radiator
1. If cooling system has no leaks,
testing kit.
proceed to next malfunction.
0032-5
