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Free to use workshop manual for your 2015+ Mk4 'ND' Mazda MX-5
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FRONT SIDE MARKER LIGHT

Purpose

  • The front side marker lights signal the presence of the vehicle to vehicles/people at the front sides during nighttime.

Function

  • The BCM sends the TNS (parking lights) signal sent from the start stop unit to the electrical supply unit (ESU) as TNS (parking lights) on request signal and the electrical supply unit (ESU) turns the front side marker lights on.

Construction

  • The front side marker lights are located on the front bumper.

Operation

  • When the light switch is moved to the TNS (parking lights) position, the start stop unit detects (1) a TNS (parking lights) signal.

  • The start stop unit sends (2) the TNS (parking lights) signal to the BCM via CAN communication.

  • When the BCM receives the TNS (parking lights) signal, it sends (3) a TNS (parking lights) illumination request signal to the electrical supply unit (ESU) via LIN communication.

  • When the electrical supply unit (ESU) receives the TNS (parking lights) illumination request signal, it turns the front side marker lights on (4).

Fail-safe

  • Not applicable

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Free to use workshop manual for your 2015+ Mk4 'ND' Mazda MX-5

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