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
5. Place jumper wire between
water-in-fuel harness W24 C2
water-in-fuel sensor SIGNAL
pin (pin 1) and RETURN pin
(pin 2).
6. Measure resistance between
1. If resistance is less than 10
water-in-fuel harness W24 C2
Ohm (Ω), proceed to next test.
water-in-fuel sensor SIGNAL
pin (pin 1) and RETURN pin
(pin 2) (WP 0443, Vol 3).
2. If resistance is greater than 10
Ω, replace water-in-fuel wiring
harness (WP 0334, Vol 2 and
WP 0336, Vol 2).
4. Pin to pin short circuit in engine
Measure resistance between
1. If resistance is less than 100
ECM wiring harness.
water-in-fuel SIGNAL pin (pin 14)
kΩ, replace engine ECM wiring
at ECM of engine ECM wiring
harness (WP 0334, Vol 2).
harness W25 C1 and all other pins
in engine ECM wiring harness
connector W25 C1 (WP 0443, Vol
3 and WP 0448, Vol 3, Figure 47).
2. If resistance is more than 100
kΩ, proceed to next
malfunction.
5. Pin short circuit to ground.
1. Measure resistance between
1. If resistance is less than 100
water-in-fuel sensor SIGNAL
kΩ, replace engine ECM wiring
pin (pin 14) in engine harness
harness (WP 0334, Vol 2).
ECM connector W25 C1 and
engine ground (WP 0443, Vol 3
and WP 0451, Vol 3, Figure
45).
2. If resistance is more than 100
kΩ, restore equipment to
original condition, and proceed
to next test.
2. Turn keyless engine switch to
AUX position (TM 5-3895-385-
10), but do not start. Wait for 30
seconds.
0009-5
