Cummins ISX & Signature Laminated Wire Diagram (CM870)


Laminated fold-out factory wire diagram for the engine control system for this Cummins engine. Includes specifications, & fault code info.

SKU: TM1341 Category:

Cummins ISX & Signature Laminated Wire Diagram (CM870)


  • ECM pin locations
  • Wire diagram (color-coded)
  • Connectors
  • Each controlled or controlling sensor, etc
  • Cummins responsibility & truck manufacturer responsibility connections
  • Electrical specifications & reading parameters (volts-amps-ohm readings)
  • Fault codes, fault reasons, fault effects

Laminated surface allows for the use of erasable marker to make notes while performing diagnostics which can be erased when finished.

Truck Service Manuals | Diesel Diagnostic Software


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