Airbag control unit with part number 89170-12F60

What does the airbag control unit 89170-12F60 do?

The 89170-12F60 is the central control unit of the restraint system (SRS) for Toyota. It processes the signals from the crash sensors, decides within milliseconds whether to trigger airbags and seatbelt pretensioners, and monitors the system continuously.

If the unit detects a fault, it shows it via the airbag warning light in the instrument cluster. The fault is also recorded in the fault memory.

After an accident, the control unit stores crash data and locks itself. For any further check, this condition is the first point of reference.

Why does the control unit 89170-12F60 fail?

The most common cause is crash data stored after an accident, even if no airbag fired; they cannot be erased with a normal diagnostic tool. Other possible causes are aged components, cold solder joints, moisture and corrosion at plug connectors, and voltage spikes.

Crash data remains stored even though no airbag fired in the accident. An ordinary diagnostic tool cannot remove it. Airbag24 takes care of the erasure during the repair.

Aged components and cold solder joints are causes that develop over time. They cannot be traced back to a single event.

Moisture and corrosion at plug connectors disrupt contact, and voltage spikes, for example from a weak battery or a jump start, can also contribute to failure.

How can you tell that the 89170-12F60 is defective?

The airbag warning light in the instrument cluster stays on continuously or intermittently, a fault message appears in the instrument cluster, the diagnostic tool finds no connection to the control unit, or the fault memory cannot be cleared. In an emergency, airbags and seatbelt pretensioners may then fail to trigger.

The warning light is the signal you should watch for first. It comes on as soon as the unit detects a fault and so indicates that action is needed.

The other signs confirm the suspicion or make it clear. Only the fault memory shows which fault is actually present.

Which vehicles is the 89170-12F60 fitted in?

The 89170-12F60 is fitted in these vehicles: Toyota Corolla E170 (2013-2018).

The list below shows the vehicles stored for this part number.

• Toyota Corolla E170 (2013-2018)

The following notes will help you. Compare the part number on the label of the removed unit with this page; this ensures it is the right unit. Also have the fault memory read out beforehand, because only that shows whether the control unit 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 89170-02C70, 89170-12180, 89170-12G10, 89170-12N50.

How does the repair of the 89170-12F60 work?

First have the fault memory read out and enclose the log, then disconnect the battery and only then remove the 89170-12F60. Next, create a repair order online and send in the well-packed unit; Airbag24 tests it on the test bench, replaces defective components, erases the crash data and carries out a function test. Processing at Airbag24 usually takes 3–4 working days.

The order of the first steps protects you during removal and ensures the findings are complete. The log therefore belongs in every parcel.

After the function test, 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 89170-12F60 get to Airbag24?

You send the 89170-12F60 in as a parcel or book a UPS collection for an extra charge; after the repair Airbag24 returns it to you by UPS.

Put the printed repair order into the parcel, and pack the control unit shockproof.