Nissan Sentra B18 (2020-2025) Service Manual: Diagnosis Procedure

Nissan Sentra B18 (2020-2025) Service Manual / Driver Information & Multimedia / Warning Chime System :: Symptom Diagnosis / The Seat Belt Warning Continues Sounding, or Does Not Sound / Diagnosis Procedure

Diagnosis Procedure

CHECK COMBINATION METER INPUT SIGNAL
1. CONSULT
  
  Check the combination meter input signal. Refer to Component Function Check.
Is the inspection result normal?
YES >>
GO TO 2.
NO >>
Replace combination meter. Refer to Removal and Installation .
CHECK BCM SIGNAL
1. Check the BCM input signal. Refer to Component Function Check.
Is the inspection result normal?
YES >>
Replace the BCM. Refer to Removal and Installation.
NO >>
GO TO 3.
CHECK FRONT SEAT BELT BUCKLE SWITCH LH CIRCUIT
1. Check the front seat belt buckle switch LH circuit. Refer to Diagnosis Procedure.
Is the inspection result normal?
YES>>
GO TO 4.
NO>>
Repair or replace harness or connector.
CHECK FRONT SEAT BELT BUCKLE SWITCH LH
1. Check the front seat belt buckle switch LH. Refer to Component Inspection.
Is the inspection result normal?
YES >>
Replace the BCM. Refer to Removal and Installation.
NO >>
Replace the front seat belt buckle switch LH. Refer to Removal and Installation.

Description

Description Seat belt warning does not sound even though driver seat belt is not fastened. Seat belt warning sounds even though driver seat belt is fasten ...

The Parking Brake Release Warning Continues Sounding, or Does Not Sound

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