TM 5-3895-385-23-1
0044
Table 1. SPN#167, FMI#18 ― Electrical Charging System Voltage Low --
Moderately Severe Level.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1. Battery cable and alternator
Inspect battery cable and
1. If battery and alternator
connections damaged or not
alternator connections for
terminals and connections are
secure.
corrosion, damaged, or loose
clean, secure, and not
connections.
damaged, proceed to next
malfunction.
2. If battery or alternator terminals
and connections are not clean
and secure, or are damaged,
clean terminals and repair, or
tighten connections as needed
(WP 0350, Vol 2; WP 0357, Vol
2; and WP 0401, Vol 2).
2. Battery voltage insufficient.
1. Measure battery voltage on
1. If battery voltage on each
each battery from positive (+)
battery is at least (+) 12 Volts
terminal to negative (-) terminal
Direct Current (VDC), proceed
(WP 0443, Vol 3).
to next test.
2. If battery voltage on any battery
is less than (+) 12 VDC, replace
battery (WP 0357, Vol 2).
2. Measure battery voltage on
1. If battery voltage on each
each battery from positive (+)
battery is at least (+) 6.2 VDC
terminal to negative (-) terminal
during engine cranking, turn
while trying to start engine (WP
keyless engine switch to OFF
0443, Vol 3 and TM 5-3895-
position (TM 5-3895-385-10),
385-10).
and proceed to next
malfunction.
2. If battery voltage on either
battery is less than (+) 6.2 VDC
during engine cranking, turn
keyless engine switch to OFF
position (TM 5-3895-385-10),
and replace battery (WP 0357,
Vol 2).
Using Ammeter Clamp
3. Alternator charging rate
insufficient.
1. Install multimeter with an
ammeter clamp attachment
between alternator and
batteries (WP 0448, Vol 3,
Figure 18).
