Nissan Armada 2025-2026 Service and Repair Manual: Diagnosis Procedure

Nissan Armada 2025-2026 Service and Repair Manual / Body Exterior, Doors, Roof & Vehicle Security / Door & Lock — Symptom Diagnosis / Door Does Not Lock/unlock and Engine Does Not Start (req Sw/push Sw) (all Keys) / Diagnosis Procedure

CHECK INTELLIGENT KEY SYSTEM SYMPTOM TABLE

Check Intelligent Key system symptom table.

Refer to Diagnosis Procedure.

GO TO 2.

CHECK INSIDE KEY ANTENNA

Check inside key antenna.

NATS antenna amp.: Refer to DTC Diagnosis Procedure.
Console: Refer to DTC Diagnosis Procedure.
Luggage room: Refer to DTC Diagnosis Procedure.

Is the inspection result normal?

YES>>

GO TO 3.

NO>>

Repair or replace the malfunctioning parts.

CHECK OUTSIDE KEY ANTENNA

Check outside key antenna.

Rear door LH: Refer to DTC Diagnosis Procedure.
Rear door RH: Refer to DTC Diagnosis Procedure.
Rear bumper: Refer to DTC Diagnosis Procedure.

Is the inspection result normal?

YES>>

GO TO 4.

NO>>

Repair or replace the malfunctioning parts.

Register the Intelligent Key again.
Check operation after replacement.

Is the inspection result normal?

YES>>

INSPECTION END

NO>>

GO TO 5.

REPLACE INTELLIGENT KEY

Replace the Intelligent Key and perform registration again.
Check operation after replacement.

Is the inspection result normal?

YES>>

INSPECTION END

NO>>

GO TO 6.

REPLACE INTELLIGENT KEY UNIT

Replace Intelligent Key unit. Refer to Removal and Installation.
Check operation after replacement.

Is the inspection result normal?

YES>>

INSPECTION END

NO>>

Check intermittent incident. Refer to Intermittent Incident.

Door Does Not Lock/unlock and Engine Does Not Start (req Sw/push Sw) (all Keys)

All doors do not lock/unlock using door request switch, and engine does not start when push-button ignition switch is pressed while carrying Intelligent Key. SYMPTOM TABLE (BOTH INTELLIGENT KEYS HAVE ...

Door Does Not Lock/unlock and Engine Does Not Start (all I-Key/req Sw/push Sw)

All doors do not lock/unlock using door request switch and engine does not start when push-button ignition switch is pressed while carrying Intelligent Key. SYMPTOM TABLE (BOTH INTELLIGENT KEYS HAVE T ...

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