Cummins Celect Plus L10 M11 N14 Wiring Diagram | ECM Pinout, Sensors, Injectors & Fault Codes (Bulletin 3666146)

Technical Highlights

• Complete ECM pinout (Connector A / B / C)
• Full injector control circuits (6 cylinders mapping)
• Sensor wiring:
  • Oil pressure & temperature
  • Coolant temperature & level
  • Boost & ambient pressure
  • Engine position & speed sensors
• Detailed OEM vs Cummins wiring separation
• CAN / J1587 / J1922 data link communication lines
• Power supply, ignition, and grounding circuits
• Electrical specifications (voltage, resistance, torque values)
• Full fault code tables with causes and effects (multi-page coverage)
• Sensor calibration charts and voltage curves (pages 3 & 9)

👉 Example: The electrical specification tables on page 3 include voltage ranges, resistance values, and sensor calibration data for oil pressure, boost pressure, and temperature sensors.

Table of Content

• ECM System Overview
• ECM Connector Pin Assignment
• Injector Driver Circuits
• Sensor Network Wiring
• Engine Brake & Actuator Circuits
• Power Supply & Ground Distribution
• Data Link Communication (J1587 / J1922)
• Electrical Specifications & Sensor Calibration
• Fault Code Tables & Diagnostics
• Engine Protection Logic
• Switch Inputs & Control Signals
• Wiring Harness Layout (OEM vs Cummins)

File Information

• Manufacturer: Cummins
• System: Celect Plus
• Supported Engines: L10 / M11 / N14
• ECM Type: Celect Plus ECM
• Document Type: Wiring Diagram + Technical Manual
• Bulletin: 3666146-04
• Format: PDF
• Pages: 12
• Content: Wiring Schematics, Pinout, Diagnostics, Fault Codes, Specifications