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Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different car >> Section 190 (Warning Chime System) >> System Description >> System >> Warning Chime >> Seat Belt Warning >> Signal Path

Signal Path

WARNING: This page is about a different car, the 2018 Nissan Titan XD and 2018 Nissan Titan. However, it is still accessible from the selected car via links, so may be relevant.
  1. BCM requires warning chime output to combination meter, when it judges seat belt warning chime is necessary from signals below.

    Signal name

    Signal source

    Ignition switch signal

    -

    Seat belt buckle switch LH signal

    Seat belt buckle switch LH SYMBOL Combination meter SYMBOL BCM

  2. Combination meter sounds integrated buzzer, following the warning chime output requirement (below signal) from BCM.

    Signal name

    Signal source

    Buzzer output signal

    BCM SYMBOL Combination meter