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Nissan Armada 2025-2026 Service and Repair Manual: Seat Belt Warning (buzzer) Does Not Sound

Diagnosis Procedure

CHECK DTC OF AIR BAG DIAGNOSIS SENSOR UNIT

Check DTC in “Self Diagnosis Result” mode of “AIR BAG” using CONSULT.

Is DTC detected?

YES>>

Perform trouble diagnosis related to the detected DTC. Refer to DTC Index.

NO>>

GO TO 2.

CHECK DTC OF BCM

Check DTC in “Self Diagnosis Result” mode of “BCM” using CONSULT.

Is DTC detected?

YES>>

Perform trouble diagnosis related to the detected DTC. Refer to DTC Index.

NO>>

GO TO 3.

CHECK COMBINATION METER

Check combination meter. Refer to Work flow.

Is the inspection result normal?

YES>>

GO TO 4.

NO>>

Repair or replace the malfunctioning parts.

CHECK HARNESS CONNECTOR

Check the harness connector for disconnection, looseness or damage.

Is the inspection result normal?

YES>>

GO TO 5.

NO-1>>

Damage: Replace malfunctioning harness and connector.

NO-2>>

Disconnection or looseness: Securely lock the connector.

CHECK WIRING HARNESS

Check the wiring harness externals.

Is the inspection result normal?

YES>>

GO TO 6.

NO>>

Replace malfunctioning harness and connector.

CHECK SEAT BELT BUCKLE SWITCH (DRIVER SIDE)

Check seat belt buckle switch (driver side). Refer to Component Function Check.

Is the inspection result normal?

YES>>

GO TO 7.

NO>>

Repair or replace the malfunctioning parts.

CHECK SEAT BELT BUCKLE SWITCH (SECOND SEAT/THIRD SEAT)

Check seat belt buckle switch (second seat/third seat). Refer to Diagnosis Procedure.

Is the inspection result normal?

YES>>

GO TO 8.

NO>>

Repair or replace the malfunctioning parts.

CHECK METER SPEAKER

Check meter speaker. Refer to Diagnosis Procedure.

Is the inspection result normal?

YES>>

GO TO 9.

NO>>

Repair or replace the malfunctioning parts.

REPLACE AIR BAG DIAGNOSIS SENSOR UNIT

Replace air bag diagnosis sensor unit. Refer to Removal & Installation.

Is the inspection result normal?

YES>>

INSPECTION END

NO>>

GO TO 10.

REPLACE BCM

Replace BCM. Refer to Removal and Installation.

Is the inspection result normal?

YES>>

INSPECTION END

NO>>

GO TO 11.

CHECK INTERMITTENT INCIDENT

Refer to Intermittent Incident.

>>

INSPECTION END

    Other materials

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    Telematics Antenna
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