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The airbag control units used in the Infiniti Q70 are central components of the passive safety system. Their functionality is critical across all models and variants and requires professional repair. A defective control unit compromises safety and must be repaired immediately.
The Infiniti Q70, known internally as the Y51 series, was produced as a premium sedan from 2015 to 2019. During this time, Infiniti focused on continuously developing its safety systems, which were always state-of-the-art.
The heart of the safety system is the airbag control unit, which is responsible for the correct deployment of all airbags and seatbelt pretensioners. The INFINITI Advanced Air Bag System (AABS) technology, standard in the Infiniti Q70, required a high-precision control unit specifically tailored to the vehicle's architecture.
The Infiniti Q70 was produced as a single, facelifted generation of the Y51 series, using different airbag control units during the production period from 2015 to 2019. The development of the safety system reflects the technological advances during this period.
The Y51 Infiniti Q70 series comprised the Q70, Q70L (long-wheelbase), and Q70S models, each available with various engine options, including the 3.7L V6, the 5.6L V8, and a hybrid option. Although it represented a single generation, model updates and the variety of variants led to specific adjustments in the electronics.
Each of these variants, as well as the facelift carried out between 2015 and 2019, could result in subtle differences in the control unit configuration. A professional airbag control unit repair must take these specific adjustments and the respective model year into account to ensure full functionality.
Infiniti Q70 airbag control units can be identified by their unique part number, model year, and vehicle identification number (VIN). Each Q70 variant uses specific control unit types for optimal compatibility with the installed safety systems.
The part number, often found on a sticker directly on the control unit, is the most important indicator for correct identification. It is crucial that the correct version is used when repairing or replacing a defective airbag control unit, as even minor deviations can lead to malfunctions.
In addition to the part number, the exact model year of the Infiniti Q70 and the vehicle identification number (VIN) also help determine the correct version of the airbag control unit. This information ensures that the repaired or replaced control unit perfectly integrates with the existing systems in the vehicle and can be coded correctly.
The Infiniti Q70 Y51 series was comprehensively equipped as standard with the INFINITI Advanced Air Bag System (AABS), which offered a high level of safety for both driver and passengers. This system includes a variety of airbag modules for optimal occupant protection.
The Infiniti Q70's AABS includes dual-stage front airbags equipped with seatbelt sensors and passenger seat occupancy detection. This technology adjusts airbag deployment force based on the severity of the impact and the presence of an occupant.
Additionally, all Q70 models come standard with front seat airbags for thorax protection, as well as roof-mounted curtain airbags for head protection in the front and rear seats. This comprehensive equipment underscores the premium passive safety credentials of the Infiniti Q70.
The airbag equipment was complemented by other important safety features such as three-point seat belts with belt pretensioners and load limiters, as well as active head restraints. Modern assistance systems such as Forward Emergency Braking and Backup Collision Intervention further supported active safety, helping to prevent accidents from occurring or mitigate their consequences.