Airbag control unit with part number 98820-1EE1B

What does the airbag control unit 98820-1EE1B do?

The airbag control unit 98820-1EE1B belongs to the SRS restraint system of Nissan and is its central control unit. It reads the crash sensors, decides in an accident within milliseconds which airbags and seatbelt pretensioners are triggered, and checks the system continuously. After an accident it stores crash data and locks itself.

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

The connection to sensors and triggers is made via a wiring harness, whose condition is decisive in an emergency.

Why does the control unit 98820-1EE1B fail?

The most common cause is stored crash data after an accident, even if no airbag has deployed; a standard diagnostic tool cannot erase it. Other possible causes include aged electronic components, cold solder joints, moisture and corrosion at plug connectors, and voltage spikes.

The crash data is created by the impact and stays in the memory until it is removed during the repair. The fault memory can still be read out.

The other causes are not related to an accident. Components age, solder joints can go cold, moisture and corrosion affect plug connectors, and voltage spikes occur for example with a weak battery or a jump start.

How can you tell that the 98820-1EE1B is defective?

The airbag warning light in the instrument cluster lights up permanently or intermittently, a fault message appears in the instrument cluster, and the diagnostic tool cannot connect to the control unit. A fault memory that cannot be cleared also counts. In an emergency, airbags and seatbelt pretensioners may then fail to deploy.

The warning light is the most important warning sign of the system, and every message in the instrument cluster must be taken seriously.

If recurring messages appear, have the system checked promptly. A missing connection to the diagnostic tool can also be due to the wiring or the power supply.

Which vehicles is the 98820-1EE1B fitted in?

The control unit 98820-1EE1B is fitted in these vehicles: Nissan 370Z Z34 Facelift (2013-2020) and Z34 (2008-2013).

The following list names the vehicles for which the unit is intended.

• Nissan 370Z Z34 Facelift (2013-2020)
• Nissan 370Z Z34 (2008-2013)

Compare the part number on the label of the removed unit with this page. This only confirms that you have the right unit. Have the fault memory read out beforehand, because the log shows WHETHER the control unit is defective or whether a plug or cable is the cause.

For the same vehicles, we also repair control units with the part numbers 25348 1A33B, 98820 1EJ1A, 98820-1EA0A, 98820-1ER0A, K8820-1EA0A, K8820-1EJ0A.

How does the repair of the 98820-1EE1B work?

Have the fault memory read out and the log enclosed, then disconnect the battery and remove the control unit 98820-1EE1B. Then create a repair order online and send in the well-packed unit.

Airbag24 checks the unit on the test bench, repairs defective components, erases the stored crash data and carries out a function test. Processing 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 98820-1EE1B get to Airbag24?

You send the control unit 98820-1EE1B as a parcel or book a UPS collection for an extra charge. After the repair, Airbag24 sends it back to you by UPS.

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