TM 5-3895-385-23-1
0029
Table 1. SPN#110, FMI#3 ― Engine Coolant Temperature Sensor Voltage Above Normal -- Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
2. If fault code SPN#110, FMI#4
is not displayed, turn keyless
engine switch to the OFF
position (TM 5-3895-385-10),
and replace the engine ECM
(WP 0332, Vol 2).
3. Engine ECM wiring harness
1. Disconnect engine ECM wiring
fault.
harness connector W25 C14
from engine coolant temperature
sensor (WP 0334, Vol 2).
2. Use multimeter to measure the
1. If resistance is more than 10 Ω,
resistance (WP 0443, Vol 3)
replace engine harness (WP
between the W25 C1 connector
0332, Vol 2).
pin 38 and the W25 C14
connector pin A (WP 0451, Vol
3, Figure 45).
2. If resistance is less than 10 Ω,
proceed to next test.
3. Use multimeter to measure the
1. If resistance is more than 10 Ω,
resistance (WP 0443, Vol 3)
replace engine harness (WP
between the W25 C1 connector
0334, Vol 2).
pin 15 and the W25 C14
connector pin B (WP 0451, Vol
3, Figure 45).
2. If resistance is less than 10 Ω,
proceed to next test.
4. Use multimeter to measure the
1. If resistance is greater than
resistance (WP 0443, Vol 3)
100 kΩ, proceed to next test.
between the W25 C1 connector
pin 38 and all other pins of the
W25 C1 connector (WP 0451,
Vol 3, Figure 45).
2. If resistance is not greater than
100 kΩ, replace engine
harness (WP 0334, Vol 2).
5. Restore equipment to original
condition.
6. Turn keyless engine switch to
the AUX position (TM 5-3895-
385-10), but do not start engine.
Wait 30 seconds.
0029-4