Airbag control unit with part number 89170-02580

What does the airbag control unit 89170-02580 do?

In the Toyota, the airbag control unit 89170-02580 controls the triggering of airbags and seatbelt pretensioners. It captures the signals from the crash sensors, decides on triggering within milliseconds in an accident, and keeps the system under observation during operation. It indicates faults via the airbag warning light.

The control unit is thus the central component of the restraint technology in the vehicle.

After an accident it creates crash data and locks itself. The lock is only lifted by the repair.

Why does the control unit 89170-02580 fail?

Stored crash data is the most common cause, even when no airbag has deployed, and a normal diagnostic tool does not erase it. Other causes are ageing components, cold solder joints, moisture and corrosion on connectors, and voltage spikes.

Crash data is a record of a past event that the unit keeps in its memory. It stays there whether or not you notice anything on the car.

The other causes concern electronics, connections and the power supply. Ageing components and cold solder joints are hardly noticeable at first. Voltage spikes, for example from a weak battery or when connecting jump leads, put additional strain on the electronics.

How can you tell that the 89170-02580 is defective?

The airbag warning light stays on permanently or intermittently, an error message appears in the instrument cluster, the diagnostic tool gets no connection, and the fault memory cannot be cleared. Airbags and seatbelt pretensioners may then possibly fail to deploy in an emergency.

The warning light is the direct warning from the system and should be taken seriously.

A check shows whether the control unit or a cable, for example, is affected.

Which vehicles is the 89170-02580 fitted in?

The control unit 89170-02580 is fitted in these vehicles: Toyota Auris E150 (2006-2010) and E150 Facelift (2010-2012).

Here is the list of vehicles known to us for this part number.

• Toyota Auris E150 (2006-2010)
• Toyota Auris E150 Facelift (2010-2012)

On the one hand, compare the part number on the removed unit with this page; this only clarifies whether it is the correct unit. On the other hand, have the fault memory read out beforehand, because only the log shows whether the control unit itself is defective or whether a connector and cable are the cause.

For the same vehicles, we also repair control units with the part numbers 215537-106, 89170-02560, 89170-0W330, 8924502040.

How does the repair of the 89170-02580 work?

Processing at Airbag24 usually takes 3–4 working days for testing, repairing and function testing. Beforehand, have the fault memory read out, disconnect the battery and remove the control unit 89170-02580; afterwards create the repair order online. Only then send in the packed unit.

At Airbag24 the unit goes on the test bench, defective components are replaced, crash data is removed and a function test is carried out. Your own unit is then sent back to you.

Our repairs come with 2 years' statutory liability for defects. The repaired control unit comes back with all vehicle data and is ready for use as soon as it is refitted — no coding or programming is required.

How does the control unit 89170-02580 get to Airbag24?

You hand in the unit as a parcel or book a UPS collection for an extra charge. The return after the repair is made via UPS.

The printed repair order goes in the parcel, and the unit is packed shockproof.