What is a Nissan Dayz Roox B44A airbag control unit?
The Nissan Dayz Roox B44A airbag control unit is the central safety unit that activates all occupant restraint systems in the event of a collision. It continuously monitors sensors, stores relevant crash data, and ensures the precise, proper function of all airbag modules and seatbelt pretensioners in the vehicle.
This essential component is typically manufactured by Bosch as an OEM supplier, underscoring its high quality and reliability. It is compatible with the 95640 and 95128 EEPROM memory types, which are used for safety-critical information.
Power is supplied via the vehicle's 12V electrical system. The control unit processes signals from various airbag sensors, including front, side, and knee airbags, and communicates via the OBD-II diagnostic interface.
Why is the Nissan Dayz Roox B44A airbag control unit defective?
A Nissan Dayz Roox B44A airbag control unit can fail because it stores crash data after an accident, triggering a fault condition, or due to configuration errors, internal short circuits, and aging. These failures often require professional repair to restore the safety system to full functionality.
After an accident, the airbag control unit (ECU) is often "cracked" and needs to be reset or repaired. Faulty programming or incorrect coding can also be the cause of a failure.
Electrical problems such as open circuits or damaged internal components can also cause the control unit to fail. Early diagnosis can prevent further damage.
Common error codes for Nissan Dayz Roox B44A airbag control unit repair
When diagnosing the Nissan Dayz Roox B44A airbag control unit repair, specific error codes will appear that directly indicate problems with the control unit itself. These codes are crucial for identifying the exact cause of an airbag failure and initiating the necessary steps to resolve it.
- B1054 → ACU configuration error → Incorrect coding or programming of the control unit.
- B1052 → Driver airbag circuit open → Open circuit in the driver airbag module or its wiring.
- B1054 → Passenger airbag circuit open → Open circuit in the passenger airbag module or its wiring.
These codes are specific to the airbag control unit and not to other airbag components such as sensors. Correct interpretation of these errors is essential for a successful repair in the workshop.
What part numbers are available for the Nissan Dayz Roox B44A airbag control unit repair?
For Nissan Dayz Roox B44A airbag control unit repairs, only the officially verified OEM part numbers 98820-B44A0 to 98820-B44A3 are relevant and guarantee compatibility. Correctly identifying the part number is crucial to ensure that the replacement or repair unit is a perfect fit for your vehicle model.
The following OEM part numbers are 100% verified and official for the Nissan Dayz Roox B44A airbag control module: 98820-B44A0, 98820-B44A1, 98820-B44A2, 98820-B44A3.
These numbers refer to genuine parts from Nissan and its suppliers. Minor variations in the final digit indicate revision-related updates, but are fully compatible with the B44A model.