Cummins ISB ECM Wire Diagram


Laminated fold-out wire diagram of the engine control system for the ISB (light duty) engine.

SKU: TM3263 Category:

Laminated fold-out Cummins ISB ECM wire diagram. Printed by Cummins.


  • 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.

Cummins Service Manuals | Cummins Diagnostic Software


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