TM 5-3895-385-23-1
0024
Table 1. SPN#108, FMI#3 -- High Signal Voltage at Barometric Pressure Circuit -- Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
2. If voltage is not between 4.75
to 5.25 VDC, turn keyless
engine switch to the OFF
position (TM 5-3895-385-10),
restore equipment to original
condition, and proceed to next
malfunction.
6. Restore equipment to original
condition.
7. Turn keyless engine switch to
the AUX position (TM 5-3895-
385-10), but do not start engine.
Wait 30 seconds.
8. Check active engine faults
1. If fault code SPN#108, FMI#3
screen for fault code SPN#108,
is displayed, turn keyless
FMI#3.
engine switch to the OFF
position (TM 5-3895-385-10),
and replace air pressure
sensor (WP 0333, Vol 2).
2. If fault code SPN#108, FMI#3
is not displayed, turn keyless
engine switch to the OFF
position (TM 5-3895-385-10).
No fault present; restore
equipment to original condition.
3. Engine ECM fault.
1. Disconnect engine ECM wiring
harness connector W25 C1 from
engine ECM (WP 0451, Vol 3,
Figure 45).
2. Inspect engine ECM wiring
1. If damaged, replace 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.
3. Inspect engine ECM connector
1. If damaged, replace engine
and connector pins for damage.
ECM (WP 338, Vol 2).
2. If not damaged, proceed to
next test.
0024-3
