TM 5-3895-385-23-1
0042
Table 1. SPN#167, FMI#1 ― Electrical Charging System Voltage Low ―
Most Severe Level -- Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
NOTE
It may be necessary to place a load on the batteries, such as turning on the BMPM work lights,
to properly measure alternator output.
2. Install fuse box (WP 0277, Vol
2).
3. Connect battery cables (WP
0357, Vol 2).
4. Start engine (TM 5-3895-385-
1. If alternator charging rate is at
10), and check alternator
least 50 amps, turn keyless
charging rate using ammeter
engine switch to OFF position
function (amps).
(TM 5-3895-385-10), and
proceed to next malfunction.
2. If alternator charging rate is
less than 50 amps, turn keyless
engine switch to OFF position
(TM 5-3895-385-10), remove
ammeter, and replace
alternator (WP 0350, Vol 2).
Using Battery Analyzer
1. If charging system passes test,
turn keyless engine switch to
1. Install battery analyzer between
OFF position (TM 5-3895-385-
the positive (+) battery terminal
10), remove battery analyzer,
of one battery and then
and proceed to next
negative (-) battery terminal of
malfunction.
the other battery. Follow battery
analyzer instructions.
2. If charging system does not
pass test, turn keyless engine
switch to OFF position (TM 5-
3895-385-10), and replace
alternator (WP 0350, Vol 2).
4. Damaged engine interface
1. Disconnect the engine interface
wiring harness.
wiring harness connector W16
J3 from the engine Electronic
Control Module (ECM) (WP
0451, Vol 3, Figure 36).
0042-3