Land Rover Discovery 3 L319 Crash Impact Sensor Left Right N/O/S 5H2Z-14A686-BA

Land Rover Discovery 3 L319 Crash Impact Sensor Left Right is a component from the Electronic control modules and controllers group, responsible for precise detection of G-forces in the vehicle body zone. A properly selected impact sensor supports the correct operation of passive safety systems, ensuring consistency with Land Rover's factory electronics. Thanks to the use of an original design intended for installation on the left or right side of the vehicle, the component maintains proper operating parameters and compatibility with the vehicle's electrical system.

Specifications and technical data

• SKU: 5H2Z-14A686-BA-1
• Mark: Land Rover
• Condition: Used
• OEM Part Number: 5H2Z-14A686-BA
• Substitutable numbers: YWJ500370, 5H2214B414AA, 5H2Z-14A686-BA, 5H2Z14A686BA
• Location on the vehicle: Right, Left
• Category: ECUs & Computer Modules

Purpose and function in the safety system

The presented impact sensor has been designed specifically for the Discovery 3 L319 model as a component that works with the airbag control system and other safety systems. Its task is to record sudden changes in acceleration in a specific body zone and transmit a signal to the controller, which then decides whether to trigger the appropriate components.

Placement on the right or left side of the vehicle allows for precise mapping of collision conditions, which is crucial for the correct sequence of safety system operation. The use of a dedicated module minimizes the risk of communication errors in the vehicle's bus and reduces the occurrence of unwanted messages on the instrument cluster.

Construction and integration with Land Rover electronics

The sensor belongs to the Electronic control modules and controllers group, which means it works directly with the vehicle's central control units. The module's design is intended for operation in the demanding environment of an SUV body, taking into account vibrations, temperature changes, and humidity.

A properly designed connector and mounting method facilitate integration with the factory wiring harness of the Discovery 3 L319. As a result, installation is orderly, and after correct connection and any necessary diagnostic adaptation, the module can work with the existing safety system configuration without the need for additional modifications to the installation.

Benefits of using a dedicated impact sensor

Using a sensor designed specifically for a Land Rover translates into a number of practical operational benefits:

• maintaining consistency with the factory safety system controller,
• proper fit to mounting points on the left and right sides of the vehicle,
• reduction of the risk of electronic communication errors and the appearance of incorrect fault codes,
• maintaining activation characteristics consistent with the vehicle manufacturer's specifications.

For the user, this means more predictable behavior of safety systems and easier diagnostics in the event of any inspections or repairs.

Product characteristics and practical application

The offered item is used, which in practice allows for an economical repair of the safety system while maintaining the original design specification. In the case of vehicles such as the Discovery 3 L319, where compliance with the factory electrical architecture is essential, using a dedicated module from the same model group is often the preferred service solution.

An impact sensor mounted on the right or left side of the body can be used both when replacing a damaged element after a collision and when clearing airbag system errors if diagnostics indicate improper operation of a specific module. Proper selection of the component for a Land Rover vehicle allows for maintaining the logic of safety system operation intended by the manufacturer.

System expansion and related components

If you are planning a comprehensive repair or upgrade of the electronic safety systems area in your Land Rover and need other elements from the same group, such as additional control modules, body controllers, or comfort system management units, check the available parts in the Land Rover electronic control modules and controllers category.

For a better understanding of how original electronic modules affect the vehicle's character and the behavior of onboard systems, it is worth reading the guide material describing the role of factory components in maintaining the brand's properties – this is discussed in detail in the article Audi and emotions in their purest form. How do used parts help maintain the brand's DNA?.