TM 5-3895-385-23-1
0009
Table 1. SPN#97, FMI#4 ― Low Voltage at Water-in-Fuel Circuit -- Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
2. If fault code SPN#97, FMI#3 is
not displayed, turn keyless
engine switch to OFF position
(TM 5-3895-385-10), and
proceed to next malfunction.
6. Check inactive engine faults
1. If fault code SPN#97, FMI#4 is
screen for fault code SPN#97,
displayed, turn keyless engine
FMI#4.
switch to OFF position (TM 5-
3895-385-10), and replace
engine ECM (WP 0332, Vol 2).
2. If fault code SPN#97, FMI#4 is
not displayed, turn keyless
engine switch to OFF position
(TM 5-3895-385-10), and
proceed to next malfunction.
3. Water-in-fuel harness short or
1. Disconnect water-in-fuel wiring
open circuit.
harness connector W24 C2
from engine ECM wiring
harness connector W25 C8
(WP 0451, Vol 3, Figure 45).
2. Inspect water-in-fuel wiring
1. If damaged, replace water-in-
harness connector W24 C2 and
fuel wiring harness (WP 0334,
connector pins for damage.
Vol 2 and WP 0336, Vol 2).
2. If no damage is found, restore
equipment to original condition,
and proceed to next
malfunction.
3. Disconnect water-in-fuel sensor
harness W24 C1 from water-in-
fuel sensor (WP 0451, Vol 3,
Figure 44).
4. Measure resistance between
1. If resistance is greater than 100
water-in-fuel harness W24 C2
kiloOhms (kΩ), proceed to next
water-in-fuel sensor SIGNAL
test.
pin (pin 1) and RETURN pin
(pin 2) (WP 0443, Vol 3).
2. If resistance is less than 100
kΩ, replace water-in-fuel wiring
harness (WP 0334, Vol 2 and
WP 0336, Vol 2).
0009-4
