TM 9-2320-280-10
Change 1
3-3
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Table 3-1. Troubleshooting
ENGINE
1.
ENGINE FAILS TO CRANK
Step 1. Check to see if transmission shift lever is in “N” (neutral) or “P” (park)
for M1123 and A2 vehicles.
If not, place lever in “N” (neutral) or “P” (park).
Step 2. Check battery fluid level and check battery connections for looseness,
damage, or corrosion.
If any of these conditions exist, notify unit maintenance.
Step 3. Attempt to slave-start vehicle (para. 2-23).
Step 4. Other causes.
Notify unit maintenance.
2.
ENGINE CRANKS SLOWLY
Step 1. Check battery fluid level and check battery cable connections for
looseness, damage, or corrosion.
If any of these conditions exist, notify unit maintenance.
Step 2. Attempt to slave-start vehicle (para. 2-23).
Step 3. Other causes.
Notify unit maintenance.
3.
ENGINE CRANKS BUT DOES NOT START
Step 1. Check to see if fuel gauge indicates “E” (empty).
Fill fuel tank, and start engine.
Step 2. Purge fuel system of air (para. 3-10).
Step 3. Check to see if WAIT-TO-START lamp assembly fails to light or does not
go out.
Notify unit maintenance if wait-to-start lamp assembly fails to light
or does not go out.
Step 4. Other causes.
Notify unit maintenance.
4.
VEHICLE NOT CHARGING ACCORDING TO VOLTMETER
Step 1. Check battery cable connections for looseness, damage, or corrosion.
Notify unit maintenance of any damage to battery cables.
Step 2. Check for broken or missing alternator belts.
Notify unit maintenance if alternator belts are broken or missing.
Step 3. Other causes.
Notify unit maintenance.
