Cummins ISM ECM Wire Diagram (CM870)

Cummins ISM ECM Wire Diagram (CM870)

Laminated fold-out factory wire diagram for the Cummins ISM CM870. Includes specifications, & fault code info.

Includes:

• 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.

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While this is a factory manual, we are not representing to be an agent of this manufacturer