Airbag control unit with part number 89170-02W62

What does the airbag control unit 89170-02W62 do?

In Toyota vehicles, the control unit 89170-02W62 coordinates the restraint system. It processes the signals from the crash sensors and determines in an accident which airbags and seatbelt pretensioners trigger.

It makes this decision in milliseconds and monitors the system for the rest of the time.

It shows faults via the airbag warning light. After an accident it stores crash data and locks itself.

Why does the control unit 89170-02W62 fail?

Stored crash data most often leads to the 89170-02W62 failing, even if no airbag has deployed; a normal diagnostic tool cannot erase it. Further causes are aged electronic components, cold solder joints, moisture and corrosion at plug connections, as well as voltage spikes.

Crash data remains in the unit after an accident, and Airbag24 removes it as part of the repair.

Aged components and cold solder joints impair the electronics inside. Moisture and corrosion attack the plug connections; voltage spikes, for example from a weak battery or jump-starting, put additional strain on the system.

How can you tell that the 89170-02W62 is defective?

Signs of a defect in the 89170-02W62 are an airbag warning light in the instrument cluster that lights up permanently or intermittently, a fault message there, no connection to the diagnostic tool, and a fault memory that cannot be cleared.

In that case, airbags and seatbelt pretensioners may not deploy in an emergency.

These signs can be classified more precisely with a diagnosis.

Which vehicles is the 89170-02W62 fitted in?

The 89170-02W62 is fitted in these vehicles: Toyota Corolla E210 (2018-2022) and E210 Facelift (from 2022).

Here you will find the vehicles to which this part number belongs:

• Toyota Corolla E210 (2018-2022)
• Toyota Corolla E210 Facelift (from 2022)

Compare the part number on the label of the removed unit with this page; that establishes whether you have the right unit. Have the fault memory read out, because the result shows whether the control unit itself is defective or whether a plug or a cable is the cause.

For the same vehicles, we also repair control units with the part numbers 89170-02N50, 89170-02T10, 89170-02W80, 89170-0F150.

How does the repair of the 89170-02W62 work?

First have the fault memory read out and attach the log. Then disconnect the battery and remove the 89170-02W62. At Airbag24, checking, repair and function test usually take 3–4 working days.

Then create the repair order online and send the unit in well packed.

Airbag24 checks it on the test bench, replaces defective components, erases the stored crash data and performs a function test. Afterwards the unit comes 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 89170-02W62 get to Airbag24?

You send the control unit 89170-02W62 as a parcel to Airbag24, or book a UPS collection for an extra charge. After repair, UPS brings the unit back to you.

Pack the control unit shock-resistant and include the printed repair order.