Description
Ford Focus Mk3 Side Air Module Crash Impact Sensor Control Unit is a component from the Electronic control modules and controllers group, responsible for precise detection of deceleration in the impact zone and transmitting the signal to the airbag system. This used module allows for an economical, yet technically correct repair of the passive safety system in your Ford, while maintaining the factory logic of the system’s operation.
Specifications and technical data
- SKU: F1ET-14B345-AA
- Mark: Ford
- Condition: Used
- OEM Part Number: F1ET-14B345-AA
- Substitutable numbers: F1ET-14B345-AA, F1ET14B345AA
- Part type: Engine Control Unit (ECU)
- Category: ECUs & Computer Modules
Function and role of the impact sensor in the airbag system
The crash impact sensor works with the central airbag control unit, analyzing sudden changes in body acceleration. Based on the signal from this component, the controller decides whether to deploy the airbags and seatbelt tensioners; therefore, a correctly selected and functional sensor is crucial for maintaining the trigger sequence intended by the manufacturer.
In practice, this means that during a collision, the sensor generates a signal with the appropriate characteristics, and the airbag module can activate the correct airbags in a fraction of a second. Thanks to this, the safety system works consistently with the body structure and the crumple zones of the Ford Focus Mk3.
Benefits of using an original electronic module
The component belongs to the Electronic control modules and controllers group, which means it has been designed to work in the specific electrical and software environment of the vehicle. Using an original sensor ensures:
- maintenance of factory parameters for airbag system trigger thresholds,
- proper cooperation with the existing airbag controller and electrical installation,
- no need to adapt universal replacements or interfere with the wiring harness.
For workshops and users, this means stable system operation, lower risk of diagnostic errors, and easier verification of correct operation during post-accident repair tests.
Selection, installation, and service aspects
When selecting an impact sensor for the Ford Focus Mk3, it is crucial to match it to the specific vehicle configuration and ensure compatibility with the installed airbag controller. A properly selected component allows for installation in place of the factory sensor, using the original mounting points and wiring connectors.
During installation, it is recommended to:
- follow safety procedures related to working with airbag systems,
- correctly route wires and connectors to avoid mechanical stress,
- perform computer diagnostics after installation to clear any potential errors and confirm communication with the module.
This approach allows for restoring full functionality of the safety system after an accident repair or replacement of a damaged component.
Why consider used electronics in the safety system
A used impact sensor can be a reasonable cost-effective solution, especially during comprehensive post-accident repairs where many components need to be replaced. A properly selected and verified module allows for cost savings while maintaining consistency with the vehicle’s factory electronic architecture.
If you would like to learn more about the selection of used modules and sensors, you can find practical tips in the article: A second life for electronics – when is it worth choosing used engine controllers, comfort modules, and parking sensors?. This is a valuable addition to your knowledge when planning repairs using salvaged electronics.
Expanding the electronics system in your Ford
If you are planning a comprehensive repair or upgrade of the electronic zone in your Ford and need other components from the same group, such as controllers, body modules, or additional control systems, check out the available parts in the Ford electronic control modules and controllers category.
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