
Table of Contents
General Information..................... ..................... 5
Welding Precaution ..................... ..................... 6
Electronic Service Tools .................. ................. 6
System Overview....................... ....................... 9
Component Location ................... ................... 10
Diesel Particulate Filter Regeneration ...... ...... 19
Engine Monitoring System............... ............... 19
Diagnostic Capabilities .................. ................. 19
Electrical Connectors................... ................... 20
Configuration Parameters................ ............... 22
Diagnostic Trouble Codes ............... ............... 23
Acceleration Is Poor or Throttle Response Is
Poor ............................... ............................... 31
Alternator Problem (Charging Problem and/or
Noisy Operation)...................... ..................... 34
Battery Problem....................... ....................... 36
Coolant Contains Oil.................... ................... 37
Coolant Level Is Low ................... ................... 38
Coolant Temperature Is High............. ............. 38
Crankcase Breather Ejects Oil ............ ........... 42
Cylinder Is Noisy....................... ...................... 45
Diesel Particulate Filter Active Regeneration
Occurrence Is Excessive ............... ............... 46
Diesel Particulate Filter Active Regeneration
Was Interrupted ...................... ...................... 48
Diesel Particulate Filter Collects Excessive
Soot ............................... ............................... 49
Diesel Particulate Filter Has Differential Pressure
Problem ............................ ............................ 51
Diesel Particulate Filter Temperature Is Low . . 54
Engine Cranks but Does Not Start......... ......... 55
Engine Does Not Crank................. ................. 60
Engine Has Early Wear ................. ................. 62
Engine Has Mechanical Noise (Knock) ..... ..... 64
Engine Misfires, Runs Rough or Is Unstable. . 67
Engine Overspeeds.................... .................... 70
Engine Shutdown Occurs Intermittently ..... .... 70
Engine Stalls at Low RPM ............... ............... 72
Engine Top Speed Is Not Obtained ........ ........ 74
Engine Vibration Is Excessive ............ ............ 77
Exhaust Has Excessive Black Smoke...... ...... 79
Exhaust Has Excessive White Smoke ............ 82
Exhaust System Contains Coolant......... ........ 85
Exhaust System Contains Oil ............. ............ 86
Fuel Consumption Is Excessive ........... .......... 88
Fuel Contains Water .................... ................... 91
Fuel Rail Pressure Problem.............. .............. 92
Fuel Temperature Is High ................ ............... 98
Inlet Air Is Restricted.................... ................... 99
Intake Manifold Air Pressure Is High ...... ...... 100
Intake Manifold Air Pressure Is Low ....... ...... 101
Intake Manifold Air Temperature Is High.... ... 103
NRS Mass Flow Rate Problem........... .......... 104
Oil Consumption Is Excessive ........... ........... 107
Oil Contains Coolant................... .................. 109
Oil Contains Fuel ..................... ...................... 111
Oil Pressure Is Low.................... ....................114
Power Is Intermittently Low or Power Cutout Is
Intermittent......................... ..........................117
Valve Lash Is Excessive ................ ................119
Data Link - Test....................... ...................... 121
ECM Memory - Test ................... ................... 124
Electrical Power Supply - Test ........... ........... 127
Glow Plug Starting Aid - Test ............ ............ 131
Idle Validation - Test................... ................... 137
Indicator Lamp - Test .................. .................. 144
Injector Data Incorrect - Test............. ............ 147
Injector Solenoid - Test ................. ................ 150
Mode Selection - Test .................. ................. 155
Motorized Valve - Test ................. ................. 158
Oxygen Level - Test ................... ................... 163
Power Take-Off - Test .................. ................. 169
Relay - Test (Start Relay)............... ............... 174
Relay - Test (ECM Main Relay) .......... .......... 179
Sensor Signal (Analog, Active) - Test ...... ..... 183
Sensor Signal (Analog, Passive) - Test .... .... 190
Sensor Supply - Test................... .................. 195
Solenoid Valve - Test .................. .................. 199
Speed Control - Test ................... .................. 205
Speed/Timing - Test................... ................... 210
Switch Circuits - Test (Throttle Switch) ..... .... 218
Switch Circuits - Test (Engine Oil Pressure
Switch) ............................ ............................ 221
Switch Circuits - Test (Air Filter Restriction
Switch) ............................ ............................ 225
Valve Position - Test ................... .................. 229
UENR0612
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Table of Contents
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