Nissan Armada 2025-2026 Service and Repair Manual: Diagnosis Procedure
Description
Check that vehicle is under the condition shown in “Conditions of vehicle” before starting diagnosis, and check each symptom.
NOTE:
The engine start function, door lock function, power distribution system, and NATS-IVIS/NVIS in the Intelligent Key system are closely related to each other regarding control. The vehicle security function can operate only when the door lock and power distribution system are operating normally.
Conditions of Vehicle (Operating Conditions)
One or more of Intelligent Keys with registered Intelligent Key ID is in the vehicle.
CHECK INTELLIGENT KEY SYSTEM (DOOR LOCK FUNCTION)
Operate door request switch and check that door lock/unlock operates.
Is the inspection result normal?
YES>>GO TO 2.
NO>>Refer to Diagnosis Procedure.
CHECK SELF DIAGNOSTIC RESULT
Perform "Inside/outside antenna diagnosis" in "Work support" mode of "INTELLIGENT KEY" using CONSULT.
Check “Self Diagnostic Result” of “INTELLIGENT KEY” using CONSULT.
Is DTC detected?
YES>>Refer to DTC Index.
NO>>GO TO 3.
CHECK PUSH-BUTTON IGNITION SWITCH
Check push-button ignition switch. Refer to Component Function Check.
Is the inspection result normal?
YES>>GO TO 4.
NO>>Repair or replace malfunctioning parts.
REPLACE INTELLIGENT KEY UNIT
Replace Intelligent Key unit. Refer to Removal and Installation.
Confirm the operation again.
Is the inspection result normal?
YES>>INSPECTION END
NO>>Check intermittent incident. Refer to Intermittent Incident.
Other materials:
Precautions for Removing Battery Terminal
NOTE:
NOTE:
NOTE:
The removal of 12V battery may cause a DTC detection error.
HOW TO DISCONNECT 12V BATTERY TERMINAL
Disconnect 12V battery terminal according to instruction described below.
Open the hood.
Turn ignition switch to the ON position.
Turn ignition switch to the OFF position with the d ...
Diagnosis Procedure
COMBINATION SWITCH INSPECTION
Check combination switch. Refer to Symptom Table.
Is the inspection result normal?
YES>>
GO TO 2.
NO>>
Repair or replace the malfunctioning part.
CHECK POSITION LIGHT REQUEST SIGNAL
With CONSULT
Select “Position light request” in “Data Monitor” ...
Removal and Installation
REMOVAL
CAUTION:
When replacing the Intelligent Key unit, always replace it with a new one. The functions controlled by the Intelligent Key unit does not operate properly in case of reuse of the Intelligent Key unit from another vehicle.
Remove luggage side lower finisher LH. Refer to Removal and I ...
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