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Nissan Armada 2025-2026 Service and Repair Manual: Additional Service When Replacing Ecm

Nissan Armada 2025-2026 Service and Repair Manual / Body Exterior, Doors, Roof & Vehicle Security / Security Control System / Additional Service When Replacing Ecm

Description

Performing the following procedure can automatically activate recommunication of ECM and Intelligent Key unit, but only when the ECM is replaced with a new one*. For details, refer to Work Procedure.

*: New one means a virgin ECM that has never been energized on-board.

(In this step, initialization procedure using CONSULT is not necessary)

CAUTION:

When replacing the ECM, always replace it with a new one.

The functions controlled by the ECM does not operate properly in case of reuse of the ECM from another vehicle.

NOTE:

  • When the replaced ECM is not a brand new, the specified procedure (Initialization of Intelligent Key unit and registration of Intelligent Keys) using CONSULT is necessary.

  • If multiple keys are attached to the key holder, separate them before beginning work.

  • Distinguish keys with unregistered key IDs from those with registered IDs.

Work Procedure

PERFORM ECM RECOMMUNICATING FUNCTION

  1. Install ECM.

  2. Contact backside of the registered Intelligent Key* to push-button ignition switch while push switch is pressed, then turn ignition switch ON.

    *: To perform this step, use the key that is used before performing ECM replacement.

  3. Maintain ignition switch in the ON position for at least 5 seconds.

  4. Ignition switch OFF.

  5. Check that the engine starts.

>>

GO TO 2.

PERFORM ADDITIONAL SERVICE WHEN REPLACING ECM

Refer to Description.

>>

END

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