What is a Daihatsu Mira L700 airbag control unit?
The Daihatsu Mira L700 airbag control unit is your vehicle's central safety unit, which precisely activates all occupant restraint systems, especially airbags and seatbelt pretensioners, in the event of an accident. It continuously monitors sensors, stores relevant crash data, and thus ensures the proper functioning of all airbag safety systems in the vehicle.
This electronic module, also known as the SRS control unit, is essential for occupant safety. It acts as the brain of the airbag system, processing critical impact information.
The goal is to maximize safety by responding quickly and reliably in an emergency. Proper functionality is therefore crucial for protecting vehicle occupants.
Why is the Daihatsu Mira L700 airbag control unit defective?
A Daihatsu Mira L700 airbag control unit may be defective because it stores crash data after an accident, requiring reprogramming, or because internal errors such as voltage fluctuations or water damage affect the electronics. This often results in an illuminated airbag warning light and prevents the safety systems from activating in the event of a subsequent accident.
After an airbag is deployed, the control unit stores so-called hard codes that make it absolutely necessary to reset the unit. Without a reset, the system is no longer operational.
Soft codes can also be caused by weak batteries, overvoltage, or loose connections, leading to temporary malfunctions. Such problems often require a targeted Daihatsu Mira L700 airbag control unit repair.
Sometimes, aging or moisture ingress can also cause internal electronic damage. This impairs the module's ability to correctly process sensor data.
Common error codes for Daihatsu Mira L700 airbag control unit repair
There are no explicitly published, manufacturer-specific trouble codes for Daihatsu Mira L700 airbag control unit repairs that are exclusively associated with this control unit. However, common generic airbag trouble codes indicate communication problems, internal system errors, or sensor malfunctions and require a precise diagnosis using a specialized scanner to identify the exact cause of the failure.
- B1000 → Control unit communication error → Open circuit in the data line to the ECU or internal error.
- B0100 → Airbag System Error → General malfunction in the airbag system, often caused by defective components.
- B0123 → Airbag Sensor Error → Problem with a crash or belt sensor that is not providing correct data.
- B1500 → Internal control unit error → Stored crash data or hardware defect in the control unit itself.
- B1622 → Airbag ECU self-test error → The control unit could not successfully complete the internal system check.
A precise diagnosis requires the use of a special OBD airbag scanner. This reads the error codes stored in the control unit to pinpoint the exact source of the problem.
This is the only way to effectively repair the Daihatsu Mira L700 airbag control unit or reset the crash data. Professional workshops or service centers are the right place for this.
What part numbers are available for the Daihatsu Mira L700 airbag control unit repair?
For the Daihatsu Mira L700 airbag control unit repair, the only verified OEM part number is **89170-B2791** from Daihatsu itself. No other original or supplier part numbers could be found with sufficient certainty, making this number the primary identifier for the airbag module in this vehicle model.
Part number **89170-B2791** is repeatedly mentioned in connection with the Daihatsu Mira airbag module. It has been confirmed by professional airbag reset services that specialize in this specific OEM part.
There are no confirmed alternative OEM part numbers from major suppliers like Bosch or Continental for this specific airbag control unit. This underscores the uniqueness of this number for the Mira L700.
Knowing the exact part number is essential to performing the correct **Daihatsu Mira L700 airbag control unit repair**. This is the only way to ensure compatibility and functionality.
If your device is **defective** or **broken**, the reference to 89170-B2791 is crucial for a replacement or a professional reset service.