Airbag control unit with part number 89170-0D360

What does the airbag control unit 89170-0D360 do?

The airbag control unit 89170-0D360 is the central control unit of the restraint system (SRS) for Toyota. In an accident it analyses the crash sensors and decides within milliseconds whether airbags and seatbelt pretensioners are triggered.

During operation it monitors the entire system and reports faults via the airbag warning light in the instrument cluster.

After an accident it stores crash data and locks itself. Only the repair lifts the lock.

Why does the control unit 89170-0D360 fail?

The most common cause is crash data from an accident, which remains in memory even if no airbag has deployed. Other causes include ageing electronic components, dry solder joints, moisture and corrosion at plug connections, and voltage spikes.

An ordinary diagnostic tool cannot erase the crash data. Airbag24 removes it during the repair. Ageing, contact problems and moisture affect the electronics over a longer period. Voltage spikes arise, for example, from a weak battery or a jump start and can stress components.

How can you tell that the 89170-0D360 is defective?

The airbag warning light in the instrument cluster stays on permanently or flickers intermittently. Accompanying this, an error message appears, the diagnostic tool may not find the control unit, and the fault memory cannot be cleared. Airbags and seatbelt pretensioners may then fail to deploy in an emergency.

The warning light in particular means that the system has registered a fault. This sign remains even while the vehicle continues to drive normally, and it requires a check.

If the connection between the diagnostic tool and the control unit is missing, that is a further sign of a fault that must be checked.

Which vehicles is the 89170-0D360 fitted in?

The control unit 89170-0D360 is fitted in these vehicles: Toyota Yaris XP90 (2005-2009) and XP90 Facelift (2009-2011).

The assignment is listed below.

• Toyota Yaris XP90 (2005-2009)
• Toyota Yaris XP90 Facelift (2009-2011)

Comparing the part number on the label of the removed unit with this page only confirms the identity of the unit. Having the fault memory read out, on the other hand, shows whether the control unit is defective or whether a plug or a cable is the cause.

For the same vehicles, we also repair control units with the part numbers 212986-105, 212986-110, 220749-101, 89170-0D170, 89170-0D230, 89170-0D440.

How does the repair of the 89170-0D360 work?

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

Airbag24 checks the unit on the test bench, replaces defective components, erases the crash data and carries out a function test. Processing at Airbag24 usually takes 3–4 working days.

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 89170-0D360 get to Airbag24?

The unit goes to Airbag24 as a parcel, or alternatively UPS collects it for an extra charge. After the repair, Airbag24 sends the control unit back to you by UPS.

The printed repair order goes into the parcel. The unit must be packed shock-proof.