Cummins ISC/ISL w CM850 Laminated ECM Wire Diagram
Laminated fold-out factory wire diagram for the engine control system for this Cummins engine. Includes specifications, & fault code info.
Contents of this wire diagram include:
• ECM pin locations
• Wire diagram (color-coded)
• 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.