Airbag control unit with part number 89170-26360

What does the airbag control unit 89170-26360 do?

The airbag control unit 89170-26360 coordinates the restraint system (SRS) in Toyota vehicles. It checks the crash sensors, decides in the event of an impact within milliseconds whether airbags and seatbelt pretensioners are triggered, and monitors the system continuously.

If the unit detects a fault, it reports it via the airbag warning light. After an accident it writes crash data to its memory and locks itself.

Why does the control unit 89170-26360 fail?

The most common cause is crash data left in the memory by an accident, even though no airbag had to fire. Added to this are aged electronic components, cold solder joints, moisture and corrosion at plug connections, and voltage spikes from a weak battery or jump-starting.

Crash data cannot be removed with a normal diagnostic tool. It stays in the unit until it is erased during the repair.

Electronic components age, solder joints can go cold, and moisture or corrosion at the plugs disturbs the connection.

Voltage spikes, for example from a weak battery or a jump start, put additional strain on the electronics. Whether any of this applies is shown by reading out the fault memory.

How can you tell that the 89170-26360 is defective?

A defect shows up through the airbag warning light in the instrument cluster, which stays on permanently or intermittently, a fault message appearing in the instrument cluster, the diagnostic tool finding no connection to the control unit, and the fault memory not being erasable.

The light warns you of a problem in the restraint system. If it stays on, airbags and seatbelt pretensioners may not trigger in an emergency.

Whether the control unit itself or its connection is affected must be clarified by the test.

Which vehicles is the 89170-26360 fitted in?

The 89170-26360 is fitted in these vehicles: Toyota HiAce H300 (from 2019).

The vehicles for which this number is stored are listed one below the other here:

• Toyota HiAce H300 (from 2019)

Check the part number on the label of the removed unit against this page. Then you know that the unit fits. Also have the fault memory read out before you remove the unit, because only this log shows whether the control unit is defective or a cable is behind it.

For the same vehicles, we also repair control units with the part numbers 152100-4560, 89170-42D50.

How does the repair of the 89170-26360 work?

First read out the fault memory and enclose the log with the parcel. Then disconnect the battery and remove the control unit. Next create the repair order online and send in the well-packed unit.

Airbag24 checks the unit on the test bench, repairs defective components, deletes the crash data and carries out a function test. These steps usually take 3–4 working days at Airbag24.

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 89170-26360 get to Airbag24?

You send the unit as a parcel to Airbag24 or book a UPS collection for an extra charge. After the repair it comes back to you by UPS.

Pack the printed repair order into the parcel and pad the unit so it is shock-proof.