TM 5-3895-385-23-1
0036
Table 1. SPN#157, FMI#2 ― Fuel Rail Pressure Signal Not Changing -- Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
5. Turn keyless engine switch to
AUX position (TM 5-3895-385-
10), but do not start engine.
Wait for 30 seconds.
6. Check active engine faults
1. If fault code SPN#157, FMI#3 is
screen for fault code SPN#157,
not displayed, turn keyless
FMI#3.
engine switch to OFF position
(TM 5-3895-385-10), and
replace ECM (WP 0332, Vol 2).
2. If fault code SPN#157, FMI#3 is
displayed, turn keyless engine
switch to OFF position (TM 5-
3895-385-10), and proceed to
next test.
7. Attach jumper wire between rail
fuel pressure SIGNAL pin (pin
25) and rail fuel pressure
RETURN pin (pin 47) at ECM
engine connector (WP 0448,
Vol 3, Figure 2).
8. Turn keyless engine switch to
AUX position (TM 5-3895-385-
10), but do not start engine.
Wait for 30 seconds.
9. Check active engine faults
1. If fault code SPN#157, FMI#4 is
screen for fault code SPN#157,
displayed, turn keyless engine
FMI#4.
switch to OFF position (TM 5-
3895-385-10), remove jumper,
and replace engine ECM wiring
harness (WP 0334, Vol 2).
2. If fault code SPN#157, FMI#4 is
not displayed, turn keyless
engine switch to OFF position
(TM 5-3895-385-10), remove
jumper, and replace ECM (WP
0332, Vol 2).
END OF WORK PACKAGE
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