Airbag control unit with part number 89170-60280

What does the airbag control unit 89170-60280 do?

The airbag control unit 89170-60280 is responsible for the restraint system (SRS) in Toyota and Lexus. It receives the measured values from the crash sensors, decides in an accident within milliseconds whether airbags and seatbelt pretensioners are triggered, and monitors the system continuously. If it detects a fault, it displays it via the airbag warning light.

After an accident, the unit stores crash data and locks itself.

In this way it acts as the link between the sensors and the components that trigger.

Why does the control unit 89170-60280 fail?

The most common cause is crash data from an accident that remains in the memory even without an airbag deployment. The other causes involve ageing of components, solder joints, moisture and voltage spikes.

Electronic components age, and cold solder joints lead to fluctuating contact problems.

Moisture and corrosion at plug connections impair the connection, and voltage spikes, for example from a weak battery or a jump start, stress the electronics.

Which of these causes is actually present is shown by the inspection. Airbag24 deletes the crash data during the repair.

How can you tell that the 89170-60280 is defective?

A defect becomes visible through the airbag warning light, which stays on permanently or intermittently in the instrument cluster. In addition there are fault messages and no connection between the diagnostic tool and the control unit.

The fault memory then cannot be cleared, which points to a fault in the system. In an emergency, airbags and seatbelt pretensioners may fail to deploy, so the light deserves a prompt check.

Which vehicles is the 89170-60280 fitted in?

The control unit 89170-60280 is fitted in these vehicles: Toyota Land Cruiser J100 (1998-2007); Lexus LX UZJ100 (1998-2007).

The list shows the vehicles assigned to this part number.

• Toyota Land Cruiser J100 (1998-2007)
• Lexus LX UZJ100 (1998-2007)

First compare the part number on the label of the removed unit with this page. This only ensures that you have the right unit, nothing more. Have the fault memory read out beforehand, because only this result shows whether the control unit is defective or whether a plug or cable is the cause.

For the same vehicles, we also repair control units with the part numbers 89170-60150, 89170-60160, 89170-60220, 89170-60330, 89170-60540.

How does the repair of the 89170-60280 work?

Processing at Airbag24 usually takes 3–4 working days. Airbag24 tests the unit, replaces defective components, deletes the crash data and carries out a function test.

First read out the fault memory and enclose the log. Then disconnect the battery, remove the control unit and create the repair order online.

You send in the well-packed unit, and afterwards your own unit is returned to you.

The processing time relates solely to inspection, repair and testing at Airbag24. 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 89170-60280 get to Airbag24?

The unit goes to Airbag24 as a parcel; alternatively, you book a UPS collection for an extra charge. After the repair, Airbag24 sends it back to you by UPS.

Place the printed repair order in the parcel and pack the control unit securely against shocks.