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
15.Place a jumper wire between the
engine ECM connector +5 volt
SUPPLY pin (pin 33) and engine
ECM connector SIGNAL pin (pin
03) (WP 0451, Vol 3, Figure 45).
16.Turn keyless engine switch to
the AUX position (TM 5-3895-
385-10), but do not start engine.
Wait 30 seconds.
17.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 proceed to next test.
2. If fault code SPN#108, FMI#3
is not displayed, turn keyless
engine switch to the OFF
position (TM 5-3895-385-10)
and replace engine ECM (WP
0332, Vol 2).
18.Restore equipment to original
condition.
19.Turn keyless engine switch to
the AUX position (TM 5-3895-
385-10), but do not start engine.
Wait 30 seconds.
20.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 the engine ECM
wiring harness (WP 0334, Vol
2).
2. If fault code SPN#108, FMI#4
is not displayed, proceed to
next test.
21.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.
0025-6
