TM 5-3895-385-23-1
0015
Table 1. SPN# 102, FMI# 4 ― Intake Manifold Pressure Low Signal Voltage -- Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
9. Check active engine faults
1. If fault code SPN#102, FMI#4 is
screen for fault code SPN#102,
displayed, turn keyless engine
FMI#4.
switch to the OFF position (TM 5-
3895-385-10), and replace the
intake manifold
pressure/temperature sensor (WP
0333, Vol 2).
2. If fault code SPN#102, FMI#4 is not
displayed, turn keyless engine
switch to the OFF position (TM 5-
3895-385-10). No fault present;
restore equipment to original
condition.
4. Engine ECM fault.
1. Disconnect engine ECM wiring
harness connector W25 C1 from
engine ECM (WP 0451, Vol 3,
Figure 45).
2. Turn keyless engine switch to
the AUX position (TM 5-3895-
385-10), but do not start engine.
1. If supply voltage is between 4.75
at engine ECM +5 volt SUPPLY
and 5.25 VDC, turn keyless engine
pin (pin 37) to intake manifold
switch to the OFF position (TM 5-
pressure RETURN pin (pin 47)
3895-385-10), and replace the
(WP 0443, Vol 3 and WP 0451,
engine ECM wiring harness (WP
Vol 3, Figure 45).
0334, Vol 2).
2. If supply voltage is not between
4.75 and 5.25 VDC, turn keyless
engine switch to the OFF position
(TM 5-3895-385-10), and replace
engine ECM (WP 0332, Vol 2).
END OF WORK PACKAGE
0015-4