Dongfeng Cummins C5321101 Electronic Control Module Wiring Harness

The role of ECM electronic control module
1. Power management: BCM has the function of power management. The power supply of electric equipment on the vehicle is integrated into BCM, which saves wiring harness and is convenient for later maintenance.
2. Fault mode self-diagnosis control: when the BCM detects internal faults, it will start its own diagnosis function and display fault indicator light on the instrument to remind the owner to repair. In addition, special equipment can be used to read the data in the BCM to help repair.
3. body anti-theft, engine anti-theft control: when the vehicle successfully set up the body anti-theft system, the vehicle was illegally invaded, the vehicle will appear horn, alarm lights flashing to inform the owner of the vehicle, after the anti-theft function of the engine, even if someone copied the same car keys, also can not take the car away.

The main functions are:

1. Fuel injection (EFI) control
2. Ignition (ESA) control
3. Idling Control (ISC)
4. Emission control
5. Self-diagnosis and alarm
6. CAN bus interface