Airbag control unit with part number 89170-06B00

What does the airbag control unit 89170-06B00 do?

The airbag control unit 89170-06B00 controls the restraint system in Lexus and Toyota vehicles. It processes the sensor signals, determines in an accident within a fraction of a second which airbags and seatbelt pretensioners fire, and checks the system constantly for faults.

The sensors supply values on movement and deceleration; the unit evaluates them, and the firing elements put its decision into action. This interplay only works when every link in the chain functions.

The control unit indicates a fault via the airbag warning light. If an accident occurs, it stores crash data and then locks itself.

Why does the control unit 89170-06B00 fail?

For the control unit 89170-06B00 the most common cause lies in crash data left behind by an accident, even without an airbag deployment. An ordinary diagnostic tool cannot remove this data. Other causes are aged components, cold solder joints, moisture and corrosion on connectors, and voltage spikes.

That no airbag has fired therefore says nothing about the storage. The data remains in the unit, regardless of how the vehicle continued after the accident.

The other causes concern the electronics and their connections. Which of them applies is shown only by the examination.

How can you tell that the 89170-06B00 is defective?

A defect on the 89170-06B00 shows as the airbag warning light in the instrument cluster staying on permanently or intermittently. Fault messages, a diagnostic tool without connection to the control unit and a fault memory that cannot be cleared are added. Airbags and seatbelt pretensioners may then not deploy when it matters.

The warning light is a warning signal. If it stays on permanently, have the system checked.

The diagnostic tool and the fault memory provide further information. Whether the control unit, a connector or a cable is the cause only follows from the evaluation.

Which vehicles is the 89170-06B00 fitted in?

The airbag control unit 89170-06B00 is fitted in these vehicles: Lexus ES AXZH60 (from 2018); Toyota Camry XV70 (2017-2020) and XV70 Facelift (2020-2024). The comparison is always made using the part number on the unit.

The overview names the vehicles in which this control unit occurs.

• Lexus ES AXZH60 (from 2018)
• Toyota Camry XV70 (2017-2020)
• Toyota Camry XV70 Facelift (2020-2024)

Comparing the label with this page only confirms that you have the right unit. Also have the fault memory read out in advance; only this result shows whether the control unit is defective or whether a connector or cable is the cause.

For the same vehicles, we also repair control units with the part numbers 150800-2310, 89170-06770, 89170-06820, 89170-06850, 89170-06880, 89170-06B21.

How does the repair of the 89170-06B00 work?

First read out the fault memory and attach the log. Then disconnect the battery, and only then remove the control unit 89170-06B00. Afterwards create a repair order online and send in the well-packed unit.

At Airbag24 the unit is checked on the test bench, defective components are replaced and a function test follows. Stored crash data is erased. Processing usually takes 3–4 working days, after which your own unit is returned.

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 89170-06B00 get to Airbag24?

The control unit 89170-06B00 goes to Airbag24 as a parcel, or you book a UPS collection for an extra charge. After the repair Airbag24 sends the unit back by UPS.

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