Cummins ISX & ISM Electronic Diagnostic Manual (CM871 & CM876)


SKU: TMCU1634 Category:

Factory printed manual.  Factory Cummins electronic engine control system service manual. Allows technicians to follow Cummins approved diagnostic procedures. Printed by Cummins.
Contains multiple manuals.



Control Modules: 

CM871 & CM876

  • Introduction
  • Engine Identification
  • Familiarization
  • Troubleshooting Symptoms (including new format)
  • Electronic Engine Controls
  • Specifications
  • Fault Codes, Diagnostics & Repair 
  • Wire diagrams

In addition it covers areas such as:

  • Engine coolant temperature sensor
  • Intake manifold air temperature/pressure sensor
  • Engine oil pressure sensor
  • Engine speed sensor
  • Camshaft position sensor
  • Barometric pressure sensor
  • Rail fuel pressure sensor
  • Water-in-fuel sensor
  • Exhaust gas re-circulation sensor (EGR) temperature sensor.
  • Exhaust gas pressure sensor.
  • EGR differential pressure sensor.
  • Turbocharger speed sensor.
  • Turbocharger compressor inlet air temperature sensor
  • Accelerator pedal/lever position sensors
  • Engine brake selector switches
  • Engine coolant level sensor
  • Vehicle speed sensors
  • Feature control switches (i.e. cruise control switches)
  • Fan control switch
  • Air conditioner pressure switch
  • Remote accelerator
  • Remote power-take-off (PTO)

The control system also monitors the following sensors in the aftertreatment system:

  • Aftertreatment diesel oxidation catalyst inlet temperature sensor
  • Aftertreatment diesel particulate filter inlet temperature sensor
  • Aftertreatment diesel particulate filter outlet temperature sensor
  • Aftertreatment diesel particulate filter differential pressure sensor

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