Airbag control unit with part number 77960-SFY-J613-M1

What does the airbag control unit 77960-SFY-J613-M1 do?

The airbag control unit 77960-SFY-J613-M1 is the central control unit of the restraint system (SRS) of Honda. It evaluates the signals from the acceleration sensors and, in an accident, decides within milliseconds which airbags and seatbelt pretensioners are triggered. It also monitors the system continuously and reports faults via the airbag warning light.

During operation, the unit checks the sensors, the wiring and the firing circuits. After an accident, it stores crash data and locks itself.

Why does the control unit 77960-SFY-J613-M1 fail?

The most common cause with the 77960-SFY-J613-M1 is crash data stored after an accident, even if no airbag has deployed; a normal diagnostic tool cannot erase it. Other causes include ageing electronic components, cold solder joints, moisture and corrosion on plug connections, and voltage spikes, for example from a weak battery or from jump-starting. Airbag24 erases the crash data during the repair.

Crash data remains in the memory until it is erased.

The other causes concern the electronics themselves: components age, solder joints can go cold, and moisture attacks the contacts.

How can you tell that the 77960-SFY-J613-M1 is defective?

The airbag warning light in the instrument cluster lights up constantly or intermittently when there is a defect on the 77960-SFY-J613-M1. A fault message appears in the instrument cluster alongside it, the diagnostic tool finds no connection to the control unit, and the fault memory cannot be cleared.

While the light is on, airbags and seatbelt pretensioners may not deploy in an emergency. Have the system checked promptly, because the cause cannot be clearly identified from outside.

Which vehicles is the 77960-SFY-J613-M1 fitted in?

The control unit 77960-SFY-J613-M1 is fitted in these vehicles: Honda Inspire 4th generation (2003-2007).

Here is the list of vehicles for this part number:

• Honda Inspire 4th generation (2003-2007)

Compare the part number on the label of the removed unit with this page; that only confirms that it is the right unit. Also have the fault memory read out beforehand, because only this result shows whether the control unit is defective or whether a connector or cable is the cause.

How does the repair of the 77960-SFY-J613-M1 work?

First have the fault memory read out and attach the log, then disconnect the battery and only then remove the control unit 77960-SFY-J613-M1. Next, create a repair order online and send in the well-packed unit. Airbag24 needs 3–4 working days for checking, repairing and testing.

Airbag24 checks the unit on the test bench, replaces defective components and erases the stored crash data. A function test follows, and then the unit goes back 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 77960-SFY-J613-M1 get to Airbag24?

You send the control unit 77960-SFY-J613-M1 as a parcel, or you book a UPS collection for an extra charge; after the repair, Airbag24 sends it back by UPS.

Include the printed repair order in the parcel and pack the unit shockproof.