TM 5-3895-385-23-1
0076
Table 1. SPN#1347, FMI#3 ― High Voltage or Open Circuit At Fuel Pump Actuator -- Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
2. Open circuit in fuel pump
Measure resistance between fuel
1. If resistance is more than 5
actuator.
pump actuator SIGNAL pin (pin 1)
Ohms (Ω), replace fuel pump
and fuel pump actuator RETURN
actuator (WP 0330, Vol 2).
pin (pin 2) (WP 0443, Vol 3 and
WP 0448, Vol 3, Figure 40).
2. If resistance is less than 5 Ω,
proceed to next malfunction.
3. Fuel pump actuator diagnostic
1. Install fuse box (WP 0277, Vol
signal voltage or return circuit
2).
error.
2. Connect battery cables (WP
0357, Vol 2).
3. Turn keyless engine switch to
the AUX position (TM 5-3895-
385-10), but do not start
engine.
4. Measure voltage between fuel
1. If voltage is more than 3 Volts
pump actuator SIGNAL pin (pin
Direct Current (VDC), turn
1) and fuel pump actuator
keyless engine switch to OFF
RETURN pin (pin 2) at engine
position (TM 5-3895-385-10),
ECM wiring harness actuator
and proceed to malfunction 8.
connector W25 C9 (WP 0443,
Vol 3 and WP 0448, Vol 3,
Figure 31).
2. If voltage is less than 3 VDC,
turn keyless engine switch to
OFF position (TM 5-3895-385-
10), and proceed to next
malfunction.
4. Open circuit in fuel pump
Measure resistance between
1. If resistance is more than 10 Ω,
actuator return circuit.
engine ECM wiring harness W25
replace engine ECM wiring
C9 fuel pump actuator RETURN
harness (WP 0334, Vol 2).
pin (pin 2) and ground (WP 0443,
Vol 3 and WP 0448, Vol 3, Figure
32).
2. If resistance is less than 10 Ω,
proceed to next malfunction.
0076-2
