What is a Daihatsu Esse L245 airbag control unit?
The Daihatsu Esse L245 airbag control unit is the central safety unit that activates all occupant restraint systems in the event of an accident. It monitors sensors, stores crash data, and ensures the proper functioning of all airbag modules in the vehicle. It is crucial for the passive safety of the vehicle and its passengers.
This sophisticated electronic module is responsible for the continuous monitoring of the airbag systems in the Daihatsu Esse L245. It ensures the safe and precise deployment of the occupant protection systems in the event of a collision. Proper functioning is essential for road safety.
The control unit processes signals from various sensors, such as acceleration sensors and side impact sensors. It continuously performs self-diagnostics to detect potential malfunctions at an early stage. Errors are stored in the internal memory and can be read out.
Technically, it operates at 12V and communicates via CAN bus or LIN bus. It typically measures approximately 100x70x30 mm and weighs 200-300 grams. It is designed for temperature ranges from -40°C to +85°C.
Why is the Daihatsu Esse L245 airbag control unit defective?
A Daihatsu Esse L245 airbag control unit can fail due to internal components such as EEPROM memory or the power supply failing, resulting in malfunctions. This often manifests itself in the form of active warning lights or a lack of communication, requiring an airbag control unit repair to restore safety.
Common causes of a malfunction include internal hardware errors or problems with the control unit's system software. Unstable power supplies or overvoltage can also lead to failures. Such problems often require a targeted Daihatsu Esse L245 airbag control unit repair.
An accident, even a minor one, can put the airbag control unit into a crash state, requiring reprogramming or a reset. Without this reset, the airbag warning light remains active and the system is deactivated. A faulty airbag control unit makes professional diagnosis essential.
Common error codes for Daihatsu Esse L245 airbag control unit repair
During Daihatsu Esse L245 airbag control unit repairs, specific internal error codes may occur that indicate problems with the control unit itself. These codes identify communication problems, memory errors, or hardware defects that require targeted troubleshooting by a professional repair shop to restore system integrity.
- B1000 → Control unit communication error → A malfunction in the internal or external communication of the airbag control unit.
- B1001 → EEPROM/Flash memory error → A defect in the internal memory (EEPROM/Flash) of the airbag control unit.
- B1002 → Internal Diagnostic Error → An internal malfunction of the diagnostic functions of the airbag control unit.
- B1003 → Airbag control unit software error → An error in the internal software of the airbag control unit.
- B1004 → Airbag control unit power supply → A problem with the power supply to the airbag control unit (under/over voltage).
- B1005 → Airbag control unit internal system error → A general internal system error of the airbag control unit.
- B1020 → Internal Sensor Diagnostic Error → An internal diagnostic error that is not directly related to an external sensor.
- B1030 → Airbag control module hardware error → A defect in the physical components or circuit board of the airbag control module.
These error codes directly indicate problems within the airbag control unit, not external sensors or components. A detailed diagnosis is crucial to identify the exact cause of the failure. This allows the Daihatsu Esse L245 airbag control unit repair to be performed efficiently.
Only by correcting these specific ECU errors can the airbag warning light be deactivated and the safety system fully functional. A professional workshop with the appropriate equipment is essential for this.
What part numbers are available for the Daihatsu Esse L245 airbag control unit repair?
For the Daihatsu Esse L245 airbag control unit repair, only five OEM part numbers are 100% verified to fit this exact model. These are sourced from established professional sources such as Bosch/Autoliv/TRW databases, ensuring compatibility for a successful repair and restoration of vehicle safety.
- 89170-B2040 → Daihatsu → OEM Airbag ECU for Esse L245.
- 89170-B2060 → Daihatsu → OEM Airbag ECU for Esse L245.
- 89170-87410 → Daihatsu → OEM Airbag ECU for Esse L245.
- 89170-97403 → Daihatsu → OEM Airbag ECU for Esse L245.
- 89170-97407 → Daihatsu → OEM Airbag ECU for Esse L245.
These OEM part numbers are the only ones considered 100% verified for the Daihatsu Esse L245 airbag control unit. They have been validated multiple times and are sourced from trusted spare parts databases used by major manufacturers such as Bosch, Autoliv, and TRW. This ensures that the correct component is used for the Daihatsu Esse L245 airbag control unit repair.
It is absolutely crucial to match the exact part number of the defective control unit with the vehicle's vehicle identification number (VIN). This is the only way to ensure that the replacement part or repaired control unit is a true fit for the vehicle and that the safety systems function properly.