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Nissan Armada 2025-2026 Service and Repair Manual: Horn and Light Function Does Not Operate

Description

Horn and light do not operate when the owner uses telematics function of the smartphone.

Diagnosis Procedure

CHECK TELEMATICS SYSTEM SYMPTOM TABLE

Check telematics system symptom table.

>>

GO TO 2.

CHECK INTELLIGENT KEY SYSTEM (REMOTE KEYLESS ENTRY FUNCTION)

Press the LOCK button of Intelligent Key.

Are all doors LOCKED?

YES>>

GO TO 3.

NO>>

Check Intelligent Key system (remote keyless entry function). Refer to System Description.

CHECK HEADLAMP FUNCTION

With operating the lighting switch, check that the headlamp is turned ON or OFF.

Is the inspection result normal?

YES>>

GO TO 4.

NO>>

Repair or replace malfunctioning parts.

CHECK HORN FUNCTION

Check horn function. Refer to Component Function Check.

Is the inspection result normal?

YES>>

GO TO 5.

NO>>

Repair or replace malfunctioning parts.

REPLACE BCM

Replace BCM. Refer to Removal and Installation.

Is the inspection result normal?

YES>>

INSPECTION END

NO>>

Check intermittent incident. Refer to Intermittent Incident.

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