TM 5-3895-385-23-1
0052
Table 1. SPN#627, FMI#12 ― Injector Power Supply Voltage Low -- Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
4. Check active engine faults
1. If fault code(s) SPN#651,
screen for fault code(s)
FMI#5; SPN#653, FMI#5;
SPN#651, FMI#5; SPN#653,
SPN#652, FMI#5; or SPN#654,
FMI#5; SPN#652, FMI#5; or
FMI#5 is displayed while engine
SPN#654, FMI#5.
is running, turn keyless engine
switch to OFF position (TM 5-
3895-385-10), and troubleshoot
as necessary.
2. If fault code(s) SPN#651,
FMI#5; SPN#653, FMI#5;
SPN#652, FMI#5; or SPN#654,
FMI#5 is not displayed while
engine is running, turn keyless
engine switch to OFF position
(TM 5-3895-385-10), and
proceed to next malfunction.
2. Engine interface wiring harness
1. Disconnect engine interface
power supply connector or fuse
wiring harness connector W16
damaged or failed.
from battery (WP 0388, Vol 2).
2. Inspect engine interface wiring
1. If damaged, replace engine
harness battery connector and
interface wiring harness (WP
connector pins for damage.
0388, Vol 2).
2. If no damage is found, proceed
to next test.
3. Remove engine interface wiring
1. If fuse wire is broken, replace
harness 30 amp fuse from the
engine interface wiring harness
ECM battery supply positive (+)
fuse (WP 0448, Vol 3, Figure
line fuse holder (WP 0448, Vol
20).
3, Figure 20).
2. If no damage is found, reinsert
fuse into fuse holder, reconnect
engine interface wiring harness
connector W16 to battery (WP
0388, Vol 2), and proceed to
next malfunction.
3. Open circuit in battery positive
1. Disconnect engine interface
supply.
wiring harness connector W16
J3 from engine ECM (WP 0451,
Vol 3, Figure 36).
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