TM 5-3895-385-23-1
0069
Table 1. SPN# 1043, FMI#4 ― Low Voltage on Crankshaft Speed/Position Sensor Supply Line ―
Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
2. Connect battery cables (WP
0357, Vol 2).
3. Turn keyless engine switch to
AUX position (TM 5-3895-385-
10), but do not start engine.
Wait for 30 seconds.
4. Check active engine faults
1. If fault code SPN#1043, FMI#4
screen for fault code
is displayed, turn keyless
SPN#1043, FMI#4.
engine switch to OFF position
(TM 5-3895-385-10), restore
equipment to original condition,
and proceed to next
malfunction.
2. If fault code SPN#1043, FMI#4
is not displayed, turn keyless
switch to OFF position, and
replace crankshaft
speed/position sensor (WP
0333, Vol 2).
5. 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 is found, proceed
to next test.
3. Inspect engine ECM connector
1. If damaged, replace engine
and connector pins for damage.
ECM (WP 0332, Vol 2).
2. If no damage is 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).
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