Land Rover Discovery 3 L319 Crash Impact Sensor Air Module 5H2Z-14B345-BA

The Land Rover Discovery 3 L319 Airbag Impact Sensor is a specialized component of the passive safety system, responsible for precisely detecting a collision and transmitting a signal to the airbag control unit. The offered sensor is part of the electronic control modules group, ensuring proper cooperation with the vehicle's factory installation. A used OEM component is a sensible service solution, allowing for the restoration of correct airbag system functionality while maintaining high quality of workmanship.

Specifications and technical data

• SKU: 5H2Z-14B345-BA
• Mark: Land Rover
• Condition: Used
• OEM Part Number: 5H2Z-14B345-BA
• Substitutable numbers: YWJ500370, 5H2214B414AA, 5H22-14B414-AA, 5H2Z14B345BA, 5H2Z-14B345-BA
• Category: ECUs & Computer Modules

Purpose and Role in the Safety System

The airbag impact sensor in the Discovery 3 L319 model is responsible for registering the accelerations generated during a collision and transmitting information to the airbag control unit. A properly functioning component of this type is crucial for maintaining the functionality of the entire SRS system, including airbags and seatbelt pretensioners.

Using original Land Rover solutions allows for maintaining operational parameter consistency with the factory control unit software and minimizes the risk of diagnostic errors. This is particularly important in vehicles equipped with extensive onboard electronics, where each module communicates with other elements of the CAN network.

Benefits of Using an Original Module

Choosing an original airbag impact sensor for the Discovery 3 L319 ensures:

• compatibility with the vehicle's factory electrical architecture,
• proper cooperation with the central airbag control unit,
• stable overload measurement parameters under road conditions,
• reduced risk of fault memory errors.

An additional advantage is the ability to utilize existing mounting points and electrical harnesses, which facilitates installation and reduces the time required for repair. This allows the service center to focus on correct system calibration and verification, rather than on fitting aftermarket parts.

Characteristics as an Electronic Control Module

As a component from the Electronic Control Modules and Controllers group, the impact sensor collaborates with other control units in the vehicle, forming a cohesive safety system. The component is designed for resistance to vibrations, temperature changes, and electromagnetic interference, which is important in the demanding operating conditions typical for off-road vehicles and SUVs.

A used OEM module retains its factory operating characteristics, which is important for computer diagnostics – parameters read by the service tester correspond to the values intended by the manufacturer. This facilitates both verification of correct installation and subsequent periodic checks.

Condition, Installation, and Service Application

The offered sensor is a used component, which represents a cost-effective solution while maintaining the original manufacturer's specifications. This type of part is particularly suitable for post-accident repairs where the damaged module responsible for airbag deployment needs to be replaced.

Before installation, the standard service procedure is recommended: check the harness, connectors, and clear any errors in the control unit's memory after replacement. A correctly selected sensor allows for the restoration of full SRS system functionality and the elimination of warning messages on the instrument cluster.

Integration with Other Systems and Service Knowledge

In premium vehicles like the Land Rover Discovery 3, the consistency of the electronic components used directly impacts driving comfort and safety. It is worthwhile to leverage the experience of the OEM parts market – also in the context of other brands. A good supplement to knowledge about module operation and maintaining the vehicle's character can be found in the article: how original used modules and components help maintain the factory characteristics of premium cars.

If your service also performs work on comfort systems, air conditioning, or heating, the following guide may be helpful, describing the selection of used OEM components: check practical tips for selecting and maintaining air conditioning and heating components. This allows for comprehensive repair planning, taking into account the vehicle's entire electronic architecture.