Product Details

Cummins ISM CM870 Electronic Control System Manual
Item: TM1485
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Factory printed manual.  Factory Cummins ISM/QSM electronic control system manual.  Allows technicians to follow factory approved diagnostic procedures to reduce repair time & improve quality.

Engine(s): ISM & QSM

Control Module: CM870



  • Introduction
  • Engine Identification
  • Familiarization
  • Troubleshooting Symptoms (including new format)
  • Electronic Engine Controls
  • Specifications
  • Fault Codes, Diagnostics & Repair (approx. 730+ pages)
  • Wire diagram



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