Airbag control unit with part number 89170-06600

What does the airbag control unit 89170-06600 do?

The airbag control unit 89170-06600 controls the restraint system (SRS) for Toyota. It processes the messages from the crash sensors, decides within a few milliseconds in an impact which airbags and seatbelt pretensioners are triggered, and checks the system without interruption.

Detected faults are shown by the unit via the airbag warning light in the instrument cluster.

After an accident it stores crash data and locks itself; this very fact is part of the unit's design.

Why does the control unit 89170-06600 fail?

The most common cause is crash data stored in the unit after an accident, even if no airbag has deployed; a normal diagnostic tool cannot remove it. Other causes include ageing electronic components, cold solder joints, moisture and corrosion on plugs, and voltage spikes.

The fact that no damage can be seen on the airbag itself easily leads to overlooking the crash data. A look at the fault memory quickly brings clarity here.

The other causes at a glance:

• ageing electronic components
• cold solder joints
• moisture and corrosion at plug connections
• voltage spikes, for example from a weak battery or jump-starting

How can you tell that the 89170-06600 is defective?

The airbag warning light in the instrument cluster stays on continuously or intermittently; in addition, an error message may appear in the instrument cluster. The diagnostic tool cannot establish a connection to the control unit, and the fault memory cannot be cleared. In that case the airbags and seatbelt pretensioners may not deploy in an emergency.

The warning light is the first indicator to watch, and it shows faults as soon as the system detects them.

If the diagnostic tool does not establish a connection, the cause may lie in the control unit itself or in the link to it. A readout shows what is actually present.

Which vehicles is the 89170-06600 fitted in?

The 89170-06600 is fitted in these vehicles: Toyota Camry XV50 (2011-2019).

The list shows the vehicles to which Airbag24 assigns this part number.

• Toyota Camry XV50 (2011-2019)

You can compare the part number on the label of the removed unit with this page. That confirms it is the right unit, but says nothing about the cause. Beforehand you should have the fault memory read out, because only that shows whether the control unit is defective or a plug or cable is affected.

For the same vehicles, we also repair control units with the part numbers 150800-2310, 89170-06670, 89170-06671, 89170-06770.

How does the repair of the 89170-06600 work?

First have the fault memory read out and attach the log, then disconnect the battery and only then remove the control unit. Afterwards create a repair order online and send the well-packed unit in. At Airbag24, testing, repair and function test usually take 3–4 working days.

The order of these steps protects you during removal and should therefore be followed exactly.

Airbag24 tests the unit on the test bench, repairs or replaces defective components and deletes stored crash data. Then the team carries out a function test, and afterwards the 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 89170-06600 get to Airbag24?

You send the unit as a parcel or book a UPS collection for an extra charge. After the repair Airbag24 returns it by UPS, and the printed repair order goes into the parcel.

Pack the control unit shockproof, for example in a sturdy box with padding material.