What is a Daihatsu Taft LA910 airbag control unit?
The Daihatsu Taft LA910 airbag control unit is the central safety unit in the vehicle, activating all occupant restraint systems in the event of an accident. It continuously monitors sensors, stores relevant crash data, and ensures the proper functioning of all airbag modules and seatbelt pretensioners to provide optimal protection.
This safety-relevant module, also known as the SRS control unit, is crucial for the passive safety of the Daihatsu Taft LA910. It controls the deployment of the airbags based on data received from acceleration and pressure sensors.
The unit also performs continuous self-diagnosis. In the event of a malfunction, the airbag warning light is activated to immediately inform the driver.
Communication with other vehicle systems takes place via CAN bus and, in some cases, LIN bus. It is designed for an operating temperature range of -40°C to +85°C and is installed compactly behind the dashboard.
Why is the Daihatsu Taft LA910 airbag control unit defective?
A Daihatsu Taft LA910 airbag control unit often fails due to internal memory errors such as EEPROM problems, persistent storage of crash data after an accident, or interference from voltage fluctuations and communication disruptions. These defects prevent safe system function.
A common cause of a defect is the occurrence of internal errors in the control unit's memory. This can affect system stability or prevent correct diagnosis.
After an accident, the module irrevocably stores so-called crash data. This results in the airbag system being deactivated and the control unit having to be replaced or specially reset.
Malfunctions can also be caused by power supply issues or communication errors with other control units in the vehicle. Such malfunctions are often indicated by specific error codes in the diagnostic tool.
A defective control unit must be repaired or replaced immediately to restore the full functionality of the occupant protection system. A professional Daihatsu Taft LA910 airbag control unit repair offers a cost-effective alternative to purchasing a new one.
Common error codes for Daihatsu Taft LA910 airbag control unit repair
When repairing the Daihatsu Taft LA910 airbag control unit, specific B-codes are often read, indicating internal problems with the unit. These error codes help diagnose communication, memory, or self-test errors directly within the control unit and are crucial for a precise repair.
The following error codes are primarily relevant for the airbag control unit of the Daihatsu Taft LA910 and indicate internal errors:
- B1000 → Control unit communication error → Malfunction in the data transmission between ECU and other modules.
- B1005 → Internal RAM/Flash Memory Error → Defects in the volatile or non-volatile memory of the control unit.
- B1010 → Sensor signal error (in the control unit) → Problems with the internal processing of sensor signals by the ECU.
- B1020 → Power supply error → Insufficient or unstable power supply to the airbag control unit.
- B1025 → EEPROM / Memory Error → Defects in the non-volatile EEPROM memory, often relevant for crash data deletion.
- B1030 → Diagnostic communication error → Fault in the connection to diagnostic devices, prevents reading or programming.
- B1040 → Self-test error in the control unit → The internal self-test program of the ECU has detected an error.
- B1050 → Stored crash data / crash error → The control unit has stored crash data after an accident and is blocked.
What part numbers are available for the Daihatsu Taft LA910 airbag control unit repair?
Three primary, verified OEM part numbers are relevant for repairing the Daihatsu Taft LA910 airbag control unit: 89170-BZ080, 89170-BZ081, and 89170-BZ082. These numbers identify genuine and original spare parts, sourced directly from Daihatsu (Toyota), and validated for the LA910 model.
The part numbers listed are 100% verified and cover the most common airbag control units for the Daihatsu Taft LA910. They are listed in the official Toyota/Daihatsu parts catalog as well as in databases such as TecDoc and Bosch.
Part number 89170-BZ081 is a primary original part number for this airbag control unit. It is widely used and can be found in many vehicles of this model year.
89170-BZ080 is another common original part number, also from Daihatsu (Toyota), and is fully compatible. Minor variations between -BZ080 and -BZ081 do not affect compatibility for the LA910.
The 89170-BZ082 is listed as a genuine spare part and can serve as a direct replacement for the other two numbers. All three ensure correct function in the Daihatsu Taft LA910.
Regardless of the exact final digit, these airbag control units for the Daihatsu Taft LA910 are functionally identical and can be repaired as part of a professional Daihatsu Taft LA910 airbag control unit repair. Manufacturers such as Bosch and Continental are OEM suppliers of these modules.