TM 5-3895-385-23-1
0017
Table 1. SPN#105, FMI#2 ― Intake Manifold Temperature Erratic, Intermittent, or Incorrect -- Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
3. Circuit response error.
1. Place jumper wire between
engine intake manifold
temperature SIGNAL pin (pin 3)
and engine intake manifold
temperature RETURN pin (pin
4) at engine intake manifold
temperature connector of
engine ECM wiring harness
W25 C7 (WP 0448, Vol 3,
Figure 16).
2. Turn keyless engine switch to
AUX position (TM 5-3895-385-
10), but do not start engine.
Wait for 30 seconds.
3. Check active engine faults
1. If fault code SPN#105, FMI#4 is
screen for fault code SPN#105,
displayed, replace intake
FMI#4.
manifold pressure/temperature
sensor (WP 0333, Vol 2).
2. If fault code SPN#105, FMI#4 is
not displayed, proceed to next
malfunction.
4. Engine ECM wiring harness or
1. Disconnect engine ECM wiring
ECM connector pins damaged.
harness connector W25 C1
from engine ECM (WP 0451,
Vol 3, Figure 45).
2. Inspect engine ECM wiring
1. If damaged, replace engine
harness connector W25 C1 and
ECM wiring harness (WP 0334,
connector pins for damage.
Vol 2).
2. If no damage found, proceed to
next test.
3. Inspect engine ECM connector
1. If damaged, replace ECM (WP
and connector pins for damage.
0332, Vol 2).
2. If no damage found, proceed to
next malfunction.
4. Disconnect C11 J2 from Y4
(WP 0451, Vol 3, Figure 49)
and C3 J2 from Y14 (WP 0451,
Vol 3, Figure 49).
0017-3
