Airbag control unit with part number 89170-06350

What does the airbag control unit 89170-06350 do?

The airbag control unit 89170-06350 forms the central control unit of the restraint system (SRS) for Toyota. It processes the signals from the crash sensors, decides within milliseconds in a crash which airbags and seatbelt pretensioners are triggered, and monitors the system continuously.

The control unit reports faults via the airbag warning light in the instrument cluster. Safety-relevant processes run exclusively through the control unit.

After a crash, the unit stores crash data and locks itself.

Why does the control unit 89170-06350 fail?

The most common cause is crash data stored after an accident, even if no airbag has deployed. A standard diagnostic tool cannot erase this data. Aged electronic components, cold solder joints, moisture and corrosion on plug connections, and voltage spikes are also possible causes.

The causes act differently in everyday use. Crash data remains in the memory even if the electronics are still in order, and this can only be clarified by an inspection.

Voltage spikes, such as those from a weak battery or a jump start, are a typical source of damage to electronics that can hardly be seen from outside.

How can you tell that the 89170-06350 is defective?

The airbag warning light in the instrument cluster lights up permanently or intermittently. In addition, a fault message appears in the instrument cluster, the diagnostic tool cannot connect to the control unit, and the fault memory cannot be cleared.

The light is the clearest sign that the control unit has detected a fault. Reading out the fault memory then shows exactly what is being reported.

In the event of a defect in the control unit, airbags and seatbelt pretensioners may possibly fail to trigger in an emergency. A fault in the instrument cluster should therefore be taken seriously.

Which vehicles is the 89170-06350 fitted in?

The airbag control unit 89170-06350 is fitted in these vehicles: Toyota Camry XV40 (2006-2011).

The vehicles recorded for this part number are shown in the following list.

• Toyota Camry XV40 (2006-2011)

Comparing the part number on the label of the removed unit with this page shows that it is the right unit. This says nothing about the cause. Therefore have the fault memory read out beforehand, because only then is it clear whether the control unit or a plug or cable is the problem.

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

How does the repair of the 89170-06350 work?

First have the fault memory read out and enclose 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 requires 3–4 working days for inspection, repair and testing.

Airbag24 examines the unit on the test bench, replaces defective components, erases stored crash data and carries out a function test. Afterwards your own unit is sent back.

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 89170-06350 get to Airbag24?

You can send the control unit 89170-06350 in as a parcel or book a UPS collection for an extra charge. After the repair, Airbag24 returns it to you by UPS.

Please put the printed repair order into the parcel and pack the unit shock-resistant.