TM 5-3895-385-23-1
0048
Table 1. SPN#190, FMI#2 ― Crankshaft Speed/Position Sensor Signal Lost or Degraded -- Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
5. 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 the OFF
position (TM 5-3895-385-10),
and proceed to SPN#1043,
FMI#4 troubleshooting
procedure.
2. If fault code SPN#1043, FMI#4
is not displayed, turn keyless
engine switch to the OFF
position (TM 5-3895-385-10),
and proceed to next
malfunction.
2. Crankshaft speed/position
1. Disconnect engine ECM wiring
sensor fault.
harness connector W25 C12
from crankshaft speed/position
sensor (WP 0451, Vol 3, Figure
46).
2. Inspect speed/position sensor
1. If damaged, replace crankshaft
for damage or loose connector
speed/position sensor (WP
pins.
0333, Vol 2).
2. If not damaged, proceed to next
malfunction.
3. Crankshaft speed/position
1. Turn keyless engine switch to
sensor supply voltage is
the AUX position (TM 5-3895-
incorrect.
385-10), but do not start
engine.
2. Measure voltage at ECM wiring
1. If supply voltage is between
harness connector W25 C12.
4.75 and 5.25 Volts Direct
Crankshaft speed/position
Current (VDC), turn keyless
sensor +5 volt SUPPLY pin (pin
engine switch to the OFF
1) to crankshaft speed/position
position (TM 5-3895-385-10),
sensor RETURN pin (pin 2)
and proceed to next test.
(WP 0443, Vol 3 and WP 0448,
Vol 3, Figure 23).
2. If supply voltage is not between
4.75 and 5.25 VDC, turn
keyless engine switch to the
OFF position (TM 5-3895-385-
10), and proceed to next
malfunction.
0048-2
