Airbag control unit with part number 89170-60G00

What does the airbag control unit 89170-60G00 do?

The airbag control unit 89170-60G00 is the control unit of the restraint system (SRS) for Toyota. It checks the signals from the crash sensors, decides in the event of an accident whether airbags and seatbelt pretensioners are triggered, and monitors the system continuously. After an accident, it stores crash data and locks itself.

The unit checks the connected components in the background. If it detects a fault, it lights up the airbag warning light in the instrument cluster.

Why does the control unit 89170-60G00 fail?

Stored crash data after an accident is the most common cause, even if no airbag has deployed, and a normal diagnostic tool cannot erase it. Other factors include aged electronic components, cold solder joints, moisture and corrosion at plug connections, and voltage spikes.

The crash data stays in memory even if the vehicle continues to drive normally after the event.

Aged electronic components, cold solder joints and corrosion at plug connections are typical weak points. Moisture and voltage spikes, for example from a weak battery or jump-starting, can also trigger faults.

How can you tell that the 89170-60G00 is defective?

A defect shows up as the airbag warning light in the instrument cluster lighting up permanently or intermittently, as a fault message in the instrument cluster, as the diagnostic tool being unable to connect, or as a fault memory that cannot be cleared. In an emergency, airbags and seatbelt pretensioners may then fail to deploy.

• Airbag warning light in the instrument cluster, permanent or intermittent
• Fault message in the instrument cluster
• Diagnostic tool gets no connection to the control unit
• Fault memory cannot be cleared

Signs like these are a clear reason to have the system checked.

Which vehicles is the 89170-60G00 fitted in?

The airbag control unit 89170-60G00 is fitted in these vehicles: Toyota Land Cruiser J300 (from 2021). You can check whether your car is affected using the vehicle papers or the vehicle registration document.

Here is the overview for this part number:

• Toyota Land Cruiser J300 (from 2021)

Comparing the part number on the label of the removed unit with this page only confirms that it is the correct unit. Whether the control unit itself is defective, or whether a plug or cable is the cause, is only shown by the fault memory read out beforehand.

How does the repair of the 89170-60G00 work?

First have the fault memory read out and attach the log, then disconnect the battery and only then remove the control unit. Next, create a repair order online and send the unit in well packed. Airbag24 usually processes the unit within 3–4 working days.

Airbag24 checks the unit on the test bench, replaces defective components, erases stored crash data and carries out a function test. The unit then 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 89170-60G00 get to Airbag24?

You send the control unit 89170-60G00 as a parcel, or you book a UPS collection for an extra charge. After the repair, Airbag24 returns the unit to you by UPS.

The printed repair order goes into the parcel, and the unit needs shock-proof packaging.