REAR SIDE MARKER LIGHT
2016 – MX-5 – Body and Accessories
REAR SIDE MARKER LIGHT
Purpose
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Signals the presence of the vehicle to vehicles/people at the adjacent rear during nighttime.
Function
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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 rear side marker lights on.
Construction
Operation
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When the light switch is moved to the TNS (parking lights) or HEAD position, the start stop unit detects (1) a TNS (parking lights) signal.
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The start stop unit sends (2) the TNS (parking lights) signal to the BCM via CAN communication.
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When the BCM receives the TNS (parking lights) signal, it sends (3) the TNS (parking lights) on request signal to the electrical supply unit (ESU) via LIN communication.
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When the electrical supply unit (ESU) receives the TNS (parking lights) on request signal, it turns the rear side marker lights on (4).
Fail-safe
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Not applicable