What is a Toyota Harrier Hybrid airbag control unit?
A Toyota Harrier Hybrid airbag control unit is the central safety unit that monitors and controls the entire occupant protection system (SRS). It processes signals from impact sensors, stores important crash data, and precisely deploys the airbags and seatbelt pretensioners in the event of an accident to provide optimal occupant protection.
This module is crucial for the passive safety of your Toyota Harrier Hybrid. It continuously communicates with various sensors, including acceleration and pressure sensors.
The unit is typically located centrally in the vehicle, often under the center console, and is robustly protected against environmental influences.
Why is the Toyota Harrier Hybrid airbag control unit defective?
A Toyota Harrier Hybrid airbag control unit may be defective because it has stored crash data after an accident, triggering a hard code and disabling the system. Internal hardware or software errors, voltage spikes, or age-related material fatigue can also cause failure and require immediate Toyota Harrier Hybrid airbag control unit repair.
After an airbag is deployed, the control unit stores irreversible crash data that requires a manual reset or replacement. This data prevents the system from functioning again.
Internal components such as the microcontroller or EEPROM memory can be damaged by internal errors or external influences. This often leads to the activation of the airbag warning light in the dashboard.
Communication errors via the CAN bus or problems with the power supply can also lead to the control unit being diagnosed as broken or faulty.
Common error codes for Toyota Harrier Hybrid airbag control unit repair
When a Toyota Harrier Hybrid airbag control unit needs repair, specific error codes are often found in the module's error log, indicating internal problems or communication disruptions. These codes are crucial for a precise diagnosis and targeted repair of the control unit's failure.
- B1000 → Control unit communication error → Communication between the airbag ECU and other vehicle systems is disrupted.
- B0103 → Internal error in the airbag control unit → Malfunction or damage to an internal component of the ECU.
- B1100 → Control unit defective → Comprehensive failure or serious damage to the airbag control unit.
What part numbers are available for the Toyota Harrier Hybrid airbag control unit repair?
For a successful Toyota Harrier Hybrid airbag control unit repair, precise knowledge of the correct OEM part numbers is essential, as these ensure compatibility with your vehicle model. Original part numbers ensure the functionality and system integration of the replacement or repair module.
The following original OEM part numbers are verified for Toyota Harrier Hybrid airbag control units and are used for repair or replacement. They are confirmed directly by Toyota or specialized service providers.
89170-48050: A genuine OEM part number commonly found in Toyota Harrier Hybrid models.
89170-48130: Another verified OEM number relevant to the Harrier Hybrid's airbag control unit.
89830-48020: This number is listed in the official Toyota parts catalog as an airbag component for certain Harrier variants.
89831-33050: An additional OEM part number that is also relevant for the Toyota Harrier Hybrid.
An exact part number match ensures that the repaired or replaced module fits the vehicle perfectly and does not cause further failures.