Nissan Armada 2025-2026 Service and Repair Manual: Additional Service When Replacing Ecm
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 Flow
OVERALL SEQUENCE
DETAILED FLOW
GET INFORMATION FOR SYMPTOM
Check operation condition of the function that is malfunctioning.
>>
GO TO 2.
CHECK DTC
Check DTC.
Perform the following procedure ...
Work Procedure
PERFORM ECM RECOMMUNICATING FUNCTION
Install ECM.
Contact backside of the registered Intelligent Key* to push-button ignition switch while push switch is pressed, then turn ignition switch ON.
*: To p ...
Other materials:
Diagnosis Procedure
CHECK MANUAL OPERATION
Check manual operation.
Does it operate normally?
YES>>
GO TO 2.
NO>>
Repair or replace the malfunctioning parts.
PERFORM MEMORY STORING
Perform MEMORY STORING. Refer to Description.
Check memory function operation.
Does it operate normally?
YES>>
Memory ...
Removal and Installation
WARNING:
REMOVAL
Remove tires. Refer to ROAD WHEEL TIRE : Removal & Installation.
Drain gear oil. Refer to Draining.
Remove front stabilizer clamps. Refer to Removal and Installation.
Remove both front drive shafts. Refer to Removal and Installation.
CAUTION:
Oil may leak from the opening. Use ...
Work Procedure
START
With CONSULT
Ignition switch ON.
On CONSULT screen, select “ECM”>>“Work support”>>“Close throttle position learning”.
Follow the instructions on the CONSULT display.
Ignition switch OFF and wait at least 10 seconds.
Check that throttle valve moves during the above 10 se ...
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