TM 5-3895-385-23-1
0018
Table 1. SPN#105, FMI#3 ― Intake Manifold Air Temperature Sensor
Voltage Above Normal -- Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
2. If fault code SPN#105, 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).
8. Disconnect engine ECM wiring
harness connector W25 C7 from
intake manifold temperature
sensor (WP 0451, Vol 3, Figure
45).
9. Use multimeter to measure the
1. If resistance is more than 10 Ω,
resistance (WP 0443, Vol 3)
replace engine ECM wiring
between W25 C1 pin 47 and
harness (WP 0334, Vol 2).
W25 C7 pin 4 (WP 0451, Vol 3,
Figure 45).
2. If resistance is less than 10 Ω,
proceed to next test.
10.Use multimeter to measure the
1. If resistance is more than 10 Ω,
resistance (WP 0443, Vol 3)
replace engine ECM wiring
between W25 C1 pin 23 and
harness (WP 0334, Vol 2)
W25 C7 pin 1 (WP 0451, Vol 3,
Figure 45).
2. If resistance is less than 10 Ω,
proceed to next test.
11.Use multimeter to measure the
1. If resistance is greater than 10
resistance (WP 0443, Vol 3)
Ω, replace engine harness (WP
between the W25 C1 connector
0334, Vol 2).
pin 23 and all other pins of the
W25 C1 connector (WP 0451,
Vol 3, Figure 45).
2. If resistance is less than 10 Ω,
proceed to next test.
12.Restore equipment to original
condition.
13.Turn keyless engine switch to
the AUX position (TM 5-3895-
385-10), but do not start engine.
Wait 30 seconds.
0018-4
