Cummins ISB 6.7 CM2250 Wiring Diagram | ECM Pinout, Injectors, DPF, EGR & J1939 System (4022230-02)

Technical Highlights

• Full ECM pinout (CM2250 multi-connector architecture)
• Common rail fuel system:
  • Fuel rail pressure sensor
  • Fuel pump actuator
• Injector control:
  • Cylinders 1–6 solenoid driver circuits
• Advanced sensor network:
  • Crankshaft & camshaft position sensors
  • Intake manifold pressure & temperature
  • Turbocharger compressor pressure & temperature
  • Exhaust gas pressure
  • Coolant temperature
  • Crankcase pressure
• EGR system:
  • EGR valve motor & position sensor
  • EGR differential pressure sensor
  • EGR temperature sensor
• Aftertreatment system (DPF):
  • DPF differential pressure sensor
  • DPF outlet pressure sensor
  • Exhaust temperature sensors (HEST system)
• Turbocharger system:
  • Turbo speed sensor
  • Variable geometry turbo (VGT actuator via J1939)
• Communication:
  • J1939 data link
  • Service tool connector (9-pin Deutsch)
• Diagnostic systems:
  • Red stop lamp
  • Amber warning lamp
  • Wait-to-start lamp
  • HEST (High Exhaust System Temperature) lamp
• Actuators:
  • Fuel pump actuator
  • Intake air heater
  • Fan clutch
• Power distribution:
  • Battery supply, relays, and fuse-protected circuits

👉 The diagram on page 1 shows a full ECM-centered layout integrating injectors, EGR, DPF system, and sensor networks, along with detailed connector pinouts and wiring paths.

Table of Content

• ECM Connector Layout (CM2250)
• Injector Driver Circuits (1–6 Cylinders)
• Common Rail Fuel System Wiring
• Sensor Network (Pressure / Temperature / Position)
• EGR System Wiring & Control
• Turbocharger Control & Sensors
• Aftertreatment System (DPF Sensors & Monitoring)
• Data Link Communication (J1939)
• Diagnostic Lamps & Indicators
• Actuator Control Systems
• Power Supply & Ground Distribution

File Information

• Manufacturer: Cummins
• System: ISB 6.7 CM2250 Engine Management
• ECM Type: CM2250
• Fuel System: Common Rail
• Aftertreatment: DPF
• Document Type: Wiring Diagram
• Bulletin: 4022230-02
• Format: PDF
• Pages: 1
• Content: Electrical Schematics, Pinout, EGR & DPF Systems