Airbag control unit with part number 89170-60230

What does the airbag control unit 89170-60230 do?

The airbag control unit 89170-60230 is the central control unit of the restraint system (SRS) for Toyota. It evaluates the signals from the crash sensors, decides within milliseconds in the event of an accident on airbags and seatbelt pretensioners, and monitors the system continuously. It shows faults via the airbag warning light.

Monitoring runs continuously. The unit checks the connections to the components and records irregularities in the fault memory.

After an accident it stores crash data and locks itself. Evaluation, triggering and diagnosis therefore run through this unit.

Why does the control unit 89170-60230 fail?

The most common cause is crash data from an accident, even if no airbag was triggered. A normal diagnostic tool cannot delete this data, and Airbag24 deletes it during the repair. Other causes include aged components, cold solder joints, moisture and corrosion at plug connections, and voltage spikes.

Crash data remains in the unit after an accident, even if the airbag did not trigger. The fault entry therefore remains until the repair.

The other causes are everyday electronics issues. Components age, solder joints can go cold, and moisture attacks the plug connections. Voltage spikes, for example from a weak battery, put additional strain on the electronics.

How can you tell that the 89170-60230 is defective?

A defect shows up on the airbag warning light, which lights up permanently or intermittently, as a fault message in the instrument cluster, and as a missing connection to the diagnostic tool. A fault memory that cannot be cleared also indicates a defect. In a real emergency, airbags and seatbelt pretensioners may then fail to trigger.

The warning light in the instrument cluster is the most important sign. It lights up as soon as the system detects a fault and shows it directly.

Have the finding checked promptly, because the light already reports the fault.

Which vehicles is the 89170-60230 fitted in?

The airbag control unit 89170-60230 is fitted in these vehicles: Toyota Land Cruiser J100 (1998-2007). The list shows which vehicle the unit can be matched to.

The following vehicles are on record for this part number:

• Toyota Land Cruiser J100 (1998-2007)

Two steps help you. First, compare the part number on the label of the removed unit with this page; this only ensures that it is the correct unit. Second, have the fault memory read out beforehand, because only that shows whether the control unit is defective or a plug or a cable is the cause.

For the same vehicles, we also repair control units with the part numbers 89170-60160, 89170-60220, 89170-60330, 89170-60540.

How does the repair of the 89170-60230 work?

First have the fault memory read out and enclose the log, then disconnect the battery. Only then remove the control unit and create a repair order online. Pack the unit well and send it in; processing at Airbag24 usually takes 3–4 working days.

Airbag24 checks the unit on the test bench and repairs defective components. It then deletes the stored crash data and carries out a functional test.

Afterwards, your own unit goes 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 89170-60230 get to Airbag24?

You send the control unit 89170-60230 to Airbag24 as a parcel, or book a UPS collection for an extra charge. After the repair, Airbag24 sends it back to you by UPS.

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