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Nissan Armada 2025-2026 Service and Repair Manual: Door Does Not Lock/unlock and Engine Does Not Start (one I-Key/req Sw/push Sw)

Nissan Armada 2025-2026 Service and Repair Manual / Body Exterior, Doors, Roof & Vehicle Security / Door & Lock / Door Does Not Lock/unlock and Engine Does Not Start (one I-Key/req Sw/push Sw)

Description

All doors do not lock/unlock using one touch sensor and engine does not start when push-button ignition switch is pressed while carrying Intelligent Key. (One Intelligent Key has the symptom, other keys operate normally.)

SYMPTOM TABLE (ONE INTELLIGENT KEY HAS THE SYMPTOM, OTHER KEYS OPERATE NORMALLY)

Door lock operation (remote keyless entry) Door lock operation (one touch sensor or request switch of front/rear/back door) or trunk/back door open operation (opener switch of trunk/back door panel) Engine started with push-button ignition switch operation (Intelligent Key is within the detection area of inside key antenna) Engine started with push-button ignition switch operation (registered Intelligent Key placed next to push-button ignition switch) Unlock operation when approaching the vehicle, lock operation when away from the vehicle (registered Intelligent Key is within the detection area of outside key antenna)
NG NG No crank, No start OK NG

DIAGNOSIS PROCEDURE

Refer to Diagnosis Procedure.

Diagnosis Procedure

CHECK INTELLIGENT KEY SYSTEM SYMPTOM TABLE

Check Intelligent Key system symptom table.

Refer to Diagnosis Procedure.

>>

GO TO 2.

CHECK INTELLIGENT KEY

Check the inside of the Intelligent Key for rust or corrosion by water. Simultaneously check the internal circuits for damage. Squeeze, twist or bend the Intelligent Key and check the functionality again. Is the Intelligent Key operating normally?

Is the inspection result normal?

YES>>

GO TO 3.

NO>>

Replace Intelligent Key.

CHECK INTELLIGENT KEY BATTERY

Check the Intelligent Key battery.

Refer to Component Inspection.

Is the inspection result normal?

YES>>

GO TO 4.

NO>>

Replace Intelligent Key battery. Refer to Removal and Installation.

REGISTER INTELLIGENT KEY

  1. Register the Intelligent Key again.

  2. Check operation after replacement.

Is the inspection result normal?

YES>>

INSPECTION END

NO>>

GO TO 5.

REPLACE INTELLIGENT KEY

  1. Replace the Intelligent Key and perform registration again.

  2. Check operation after replacement.

Is the inspection result normal?

YES>>

INSPECTION END

NO>>

GO TO 6.

REPLACE INTELLIGENT KEY UNIT

  1. Replace Intelligent Key unit. Refer to Removal and Installation.

  2. Confirm the operation after replacement.

Is the inspection result normal?

YES>>

INSPECTION END

NO>>

Check intermittent incident. Refer to Intermittent Incident.

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