TM 5-3895-385-23-1
0025
Table 1. SPN#108, FMI#4 ― Low Voltage at Barometric Pressure Circuit -- Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
8. Turn keyless engine switch to
the AUX position (TM 5-3895-
385-10), but do not start engine.
Wait 30 seconds.
9. Check active engine faults
1. If fault code SPN#108, FMI#4
screen for fault code SPN#108,
is displayed, turn keyless
FMI#4.
engine switch to the OFF
position (TM 5-3895-385-10),
and replace engine ECM wiring
harness (WP 0334, Vol 2).
2. If fault code SPN#108, FMI#4
is not displayed, proceed to
next test.
10.Check inactive engine faults
1. If fault code SPN#108, FMI#4
screen for fault code SPN#108,
is displayed, turn keyless
FMI#4.
engine switch to the OFF
position (TM 5-3895-385-10).
No fault present; restore
equipment to original condition.
2. If fault code SPN#108, FMI#4
is not displayed, turn keyless
engine switch to the OFF
position (TM 5-3895-385-10),
and proceed to malfunction 4.
11.Restore equipment to original
condition.
12.Disconnect engine ECM wiring
harness connector W25 C1 from
engine ECM (WP 0451, Vol 3,
Figure 45).
13.Inspect engine ECM wiring
1. If damaged, replace the engine
harness connector W25 C1 and
ECM wiring harness (WP 0334,
connector pins for damage.
Vol 2).
2. If not damaged, proceed to
next test.
14.Inspect engine ECM connector
1. If damaged, replace engine
and connector pins for damage.
ECM (WP0332, Vol 2).
2. If not damaged, proceed to
next test.
0025-5
