Airbag control unit with part number 89170-06290

What does the airbag control unit 89170-06290 do?

The airbag control unit 89170-06290 belongs to the restraint system (SRS) of Toyota. It continuously processes the values from the crash sensors, decides within milliseconds in a crash whether airbags and seatbelt pretensioners are triggered, and watches over the system. After an accident it stores crash data and locks itself.

The unit reports a fault via the airbag warning light in the instrument cluster.

So that the unit can decide in time, it needs clean signals and a reliable power supply.

Why does the control unit 89170-06290 fail?

The most common cause is crash data stored after an accident, even though no airbag fired; a normal diagnostic tool cannot erase it. Other causes are aged electronics, cold solder joints, moisture and corrosion at plug connections, and voltage spikes. During the repair of the 89170-06290 Airbag24 erases the crash data.

The memory remains unchanged until the repair, because nothing can be altered with ordinary tools.

Ageing of the electronics and cold solder joints act gradually. Voltage spikes, for example with a weak battery or a jump start, occur suddenly.

How can you tell that the 89170-06290 is defective?

The airbag warning light in the instrument cluster lights up either permanently or intermittently. In addition there may be an error message in the instrument cluster, a missing connection of the diagnostic tool to the 89170-06290, and a fault memory that cannot be emptied. As a result, airbags and seatbelt pretensioners may possibly not trigger in an emergency.

If the light goes out after a while, that does not mean the fault has been fixed.

The message alone does not say what is wrong. Only the read-out with the diagnostic tool shows whether the control unit or a wire is affected, and this read-out should happen soon.

Which vehicles is the 89170-06290 fitted in?

The 89170-06290 is fitted in these vehicles: Toyota Camry XV40 (2006-2011).

The list names the vehicles individually:

• Toyota Camry XV40 (2006-2011)

Before removal two steps are advisable. If the part number on the label and this page match, you have the correct unit. Whether the control unit is actually defective or a connector or cable is the cause is revealed only by the fault memory read out beforehand.

For the same vehicles, we also repair control units with the part numbers 89170-06A40.

How does the repair of the 89170-06290 work?

First have the fault memory of the 89170-06290 read out and attach the log, then disconnect the battery and remove the unit. Then create the repair order online and pack the control unit.

Airbag24 needs 3–4 working days for checking, repairing and testing. The unit is checked on the test bench, defective components are replaced, the crash data are erased and a function test is run; afterwards the unit goes back to you.

The removal steps follow a fixed sequence, because safety comes before speed.

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 89170-06290 get to Airbag24?

You send the 89170-06290 as a parcel or have a UPS collection booked for an extra charge. The unit comes back to you by UPS after the repair.

Put the printed repair order into the consignment, and the packaging should absorb shocks.