Airbag control unit with part number 89170-04260

What does the airbag control unit 89170-04260 do?

The airbag control unit 89170-04260 is the central control unit of the restraint system (SRS) for Toyota. It evaluates the signals from the crash sensors, decides within milliseconds in a crash which airbags and seatbelt pretensioners are triggered, and monitors the system continuously. After a crash, it stores crash data and locks itself.

During driving, the unit checks sensors, wiring and output stages without interruption. It records every detected fault in the fault memory.

A fault is reported via the airbag warning light. As long as no fault is present, it stays dark.

Why does the control unit 89170-04260 fail?

The most common cause is crash data stored after an accident, even if no airbag was triggered. Other causes are aged electronic components, cold solder joints, moisture and corrosion at connectors, and voltage spikes, for example from a weak battery or jump-starting.

Crash data are records that the unit creates after an accident. A normal diagnostic tool cannot delete them. Airbag24 deletes them during the repair.

The other causes act over time and through the environment. Electronic components age, solder joints can turn cold, and moisture with corrosion attacks connectors. Voltage spikes additionally stress the electronics.

How can you tell that the 89170-04260 is defective?

The airbag warning light in the instrument cluster is on permanently or intermittently, an error message appears in the instrument cluster, the diagnostic tool gets no connection to the control unit, and the fault memory cannot be cleared.

The signs at a glance:

• The airbag warning light is on permanently or intermittently.
• An error message appears in the instrument cluster.
• The diagnostic tool finds no connection to the control unit.
• The fault memory cannot be cleared.

In an emergency, airbags and seatbelt pretensioners may not trigger in the event of a defect. A prompt check is therefore worthwhile.

Which vehicles is the 89170-04260 fitted in?

The control unit 89170-04260 is fitted in these vehicles: Toyota Tacoma N200 (2004-2015).

The list shows the models in which this unit is recorded. Check your car by make and model.

• Toyota Tacoma N200 (2004-2015)

Compare the part number on the label of the removed unit with this page, so you can be sure it is the right unit. Also have the fault memory read out before you touch the control unit, because only this result shows whether the control unit itself is defective or whether a connector or cable is the cause.

For the same vehicles, we also repair control units with the part numbers 89170-04420, 89170-04570, 89170-04600, 89170-04650.

How does the repair of the 89170-04260 work?

First have the fault memory read out and enclose the log. Then disconnect the battery, remove the control unit and create a repair order online. Then send in the well-packed unit. Checking, repairing and the function test at Airbag24 usually take 3–4 working days.

The sequence serves safety. The unit is removed only after the battery has been disconnected.

Airbag24 checks the control unit on the test bench, replaces defective components, deletes the stored crash data and runs 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 89170-04260 get to Airbag24?

You send the control unit in as a parcel, or you book a UPS collection for an extra charge. After the repair, Airbag24 returns it to you by UPS.

Put the printed repair order in the parcel and pack the unit shock-proof.