Airbag control unit with part number 89170-02260

What does the airbag control unit 89170-02260 do?

The airbag control unit 89170-02260 is the central control unit of the restraint system (SRS) of Toyota. It evaluates the signals from the crash sensors, determines within milliseconds in the event of an accident whether airbags and seatbelt pretensioners are triggered, and checks the system continuously. After an accident it stores crash data and locks itself.

If a fault is present, the control unit shows it via the airbag warning light in the instrument cluster.

Why does the control unit 89170-02260 fail?

The most common cause is crash data stored after an accident, even if no airbag was triggered. A normal diagnostic tool cannot remove this crash data. Other possible causes are aged electronic components, cold solder joints, moisture and corrosion at plug connections, and voltage spikes.

The existence of crash data does not yet reveal whether a component itself is damaged. The other causes are more general in nature: electronic components age, solder joints can be faulty, and moisture or corrosion affects the plug connections.

Voltage spikes arise, among other things, from a weak battery or from jump-starting. Which of these causes is actually present is only revealed by the test on the test bench.

How can you tell that the 89170-02260 is defective?

The airbag warning light in the instrument cluster lights up permanently or intermittently. In addition there are fault messages, no connection to the diagnostic tool, and a fault memory that cannot be cleared.

The light is a direct indication that the system has detected a fault. Intermittent illumination counts as well, because the control unit has then already detected the fault.

If the fault persists, airbags and seatbelt pretensioners may fail to trigger in an emergency.

Which vehicles is the 89170-02260 fitted in?

In the Airbag24 inventory this part number is assigned to vehicles. The airbag control unit 89170-02260 is fitted in these vehicles: Toyota Corolla E120 (2001-2004) and E120 Facelift (2004-2007).

The overview shows the vehicles:

• Toyota Corolla E120 (2001-2004)
• Toyota Corolla E120 Facelift (2004-2007)

Comparing the part number on the label with this page only confirms that the unit is the correct one. The fault memory you have read out in advance, however, shows whether the control unit is defective or whether a plug or cable is the cause.

For the same vehicles, we also repair control units with the part numbers 89170-02180, 89170-02240, 89170-02390, 89170-02411, 89170-02G60, 89170-12160.

How does the repair of the 89170-02260 work?

Processing at Airbag24 usually takes 3–4 working days. Beforehand you have the fault memory read out, disconnect the battery and then remove the control unit 89170-02260. Afterwards you create a repair order online and send the unit well packed.

Airbag24 checks the unit on the test bench, repairs defective components, deletes the stored crash data and carries out a function test. Afterwards your own unit is returned 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 89170-02260 get to Airbag24?

A parcel to Airbag24 is the usual route, or you can book a UPS collection for an extra charge. After the repair Airbag24 sends the control unit 89170-02260 back to you by UPS.

Put the printed repair order into the parcel and protect the unit from knocks.