54 KENR6933
Troubleshooting Section
Battery Cables and/or Batt eries
1. Inspect the main power switch, battery posts,
and battery cables for loose connections and
corrosion. If
the battery cables are corroded,
remove the battery cables and clean the battery
cables. Clean the battery posts. Replace the
cables. Tigh
ten any loose connections.
2. Inspect the batteries.
a. Charge the batteries.
b. Load test the
batteries. Refer to Testing and
Adjusting, “Battery - Test”.
Starting Mot
or Solenoid or Starting
Circuit
1. Te s t th e o p e r
ation of the starting motor solenoid.
Refer to Testing and Adjusting, “Electric Starting
System - Test”.
2. Check the wiring to the starting motor solenoid.
Starting Mo
tor and/or Flywheel Ring Gear
1. Test the operation of the starting motor. Check the
wiring for t
he starting motor. Refer to Testing and
Adjusting, “Electric Starting System - Test”.
2. Inspect the
pinion on the starting motor and the
flywheel ring gear for damage.
Electrica
l P ower Supply
Check the electrical power supply. Refer to
Troublesh
ooting, “Electrical Power Supply Circuit -
Test” .
Internal E
ngine Fault
1. Remove the glow plugs. Refer to Disassembly
and Assemb
ly, “Glow Plugs - Remove and Install”.
2. Attempt to rotate the crankshaft through 360
degrees in
both direction. If the crankshaft rotates
correctly but fluid is expelled from the hole for the
glow plug, investigate the cause of the fluidinthe
cylinder
.
3. If the crankshaft rotates correctly and no fluid
is expell
ed, install the glow plugs. Refer t o
Disassembly and Assembly, “Glow Plugs -
Remove and Install”.
4. IftheenginedoesnotrotateinStep2,disassemble
the engine. Refer to Disassembly and Assembly.
5. Inspect the internal components for the following
conditions:
•
Seizure
•
Broken components
•
Bent componen
ts
Control System
Check that power is being provided from the control
system to the solenoid on the starting motor.
Note: If power is not reaching the solenoid on the
starting motor, the engine will not crank.
i02414535
Excessive Black Smoke
Probable Causes
•
Diagnostic codes
•
ECM software
•
Air intake system or exhaust system
•
Valve lash
•
Turbocharger
•
Low compression (cylinder pressure)
•
Individual malfunctioning cylinder
•
Electronic unit injectors
Recommended Actions
Diagnostic Codes
Check for active diagnostic codes on the electronic
service tool. Troubleshoot any active codes before
continuing with this procedure.
ECM Software
1. Connect the electronic service tool to the
diagnostic connector and check for the following
conditions:
•
Check for the correct engine serial number
•
Check for the correct arrangement number
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