Airbag control unit with part number 89170-33300

What does the airbag control unit 89170-33300 do?

The airbag control unit 89170-33300 handles the evaluation within the restraint system (SRS) in Toyota. It reads the crash sensors, determines in an accident within milliseconds which airbags and seatbelt pretensioners to trigger, and monitors the system during operation. After an accident it stores crash data and locks itself.

If the device detects a fault, it reports it via the airbag warning light in the instrument cluster. This gives you an indication that something is wrong with the restraint system.

Because all deployments run through this control unit, a defect affects the entire system.

Why does the control unit 89170-33300 fail?

The most common cause lies in crash data stored after an accident, even if no airbag has deployed. Other possible causes are aged electronic components, cold solder joints, moisture, corrosion at connectors and voltage spikes.

A standard diagnostic tool cannot erase the crash data, and the fact that no airbag has deployed does not mean that nothing was stored.

The other causes concern the electronics themselves. Aged components, cold solder joints, moisture and corrosion can impair the function.

Voltage spikes occur, for example, with a weak battery or when a jump start is carried out. Such loads can damage components in the control unit.

How can you tell that the 89170-33300 is defective?

If the airbag warning light in the instrument cluster lights up permanently or intermittently, this indicates a defect that should be checked. In addition, a fault message in the instrument cluster, a lack of connection to the diagnostic tool and a fault memory that cannot be cleared may occur.

A missing connection to the diagnostic tool is also a sign that you should take seriously.

During a defect, airbags and seatbelt pretensioners may not deploy in an emergency. Therefore have the system checked promptly.

Which vehicles is the 89170-33300 fitted in?

The control unit 89170-33300 is fitted for Toyota in these vehicles: Toyota Camry XV30 Facelift (2004-2006) and XV30 (2001-2004).

The overview below shows the vehicles specified for this unit.

• Toyota Camry XV30 Facelift (2004-2006)
• Toyota Camry XV30 (2001-2004)

Use the label of the removed unit to match the part number; then you know that it is the correct unit. Also ask for the fault memory to be read out before removal. Only this result shows whether the control unit is defective or whether a connector or cable is responsible for the fault.

For the same vehicles, we also repair control units with the part numbers 89170-33430, 89170-33470, 89170-33530.

How does the repair of the 89170-33300 work?

First have the fault memory read out and enclose the log. Then disconnect the battery, and only then remove the control unit. Then create a repair order online and send the device in well packed.

Airbag24 first examines the control unit on the test bench and replaces the defective components. Afterwards a function test is carried out and the stored crash data is deleted.

Processing at Airbag24 usually takes 3–4 working days. After that you receive your own unit 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 89170-33300 get to Airbag24?

You send the device as a parcel, or you book a UPS collection for an extra charge. Airbag24 sends your repaired device back by UPS.

Enclose the printed repair order in the parcel, and pack the control unit shock-proof.