TM 5-3805-290-23-1
TROUBLESHOOTING WITHOUT A DIAGNOSTIC CODE - CONTINUED
0008 00
Table 1. Engine Troubleshooting - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Engine Cranks but Will Not 3. Visually inspect engine for these faults: 1. Correct faults as necessary.
2.
missing or damaged components, fluid 2. If problem still exists, go to Test 4.
Start - Continued.
leaks (coolant, fuel, hydraulic),
incorrect fluid levels (fuel, oil, coolant,
hydraulic), or damaged or improperly
secured electrical cables.
4. Try to start engine (TM 5-3805-290-
1. If crankshaft rotates normally with
10). If engine does not start, verify that
engine start switch, go to Test 9.
crankshaft is rotating. If crankshaft
2. If crankshaft rotates very slowly with
does not rotate with engine start switch,
engine start switch, go to Test 5.
use a suitable hand tool to rotate
3. If crankshaft does not rotate, remove
crankshaft.
belts (WP 0046 00) and try again. If
crankshaft still does not rotate, replace
engine (WP 0145 00).
5. Turn engine start switch to OFF
1. Correct faults as necessary.
position (TM 5-3805-290-10). Check 2. If problem still exists, got to Test 6.
positive and negative battery
connections to engine ECM. Refer to
Electrical System Schematic (WP 0210
00) and Electrical Connectors
Inspection (WP 0022 00).
6. Check negative battery connection on
1. Clean and tighten any loose or corroded
ground stud and connections of starter
connections and replace any damaged
motor terminals.
wiring harnesses (WP 0169 00 thru WP
0175 00).
2. If problem still exists, go to Test 7.
7. Remove starter motor (WP 0048 00)
1. If damaged, replace starter motor (WP
and check starter motor pinion and
0048 00) or flywheel (WP 0150 00).
flywheel ring gear for damage (WP
2. If problem still exists, go to Test 8.
0150 00).
8. Perform Electrical Power Supply
If problem still exists, go to Test 9.
Circuit Test (WP 0013 00).
9. Check valve lash (WP 0155 00).
1. If necessary, reset valve lash
2. If problem still exists, go to Test 10.
10. Perform Fuel Injector Nozzle Test (WP 1. If not operating as specified in test
0163 00).
procedure, replace fuel injector
nozzle(s) (WP 0163 00).
2. If problem still exists, go to Test 11.
0008 00-3
