LICENSE PLATE LIGHT
id091800012100
Purpose
• The license plate light turns on when the light switch is moved to the TNS or HEAD position.
Function
• The electrical supply unit (ESU) turns the license plate light on based on the TNS on request signal sent via CAN communication from the BCM.
Construction
• The license plate light is positioned on the trunk lid (4SD)/rear bumper (5HB).
Operation
1. When the light switch is moved to the TNS or HEAD position, the start stop unit detects (1) a TNS signal.
2. The start stop unit sends (2) the TNS signal to the BCM via CAN communication.
3. When the BCM receives the TNS signal, it sends (3) the TNS on request signal to the electrical supply unit (ESU) via LIN communication.
4. When the electrical supply unit (ESU) receives the TNS on request signal, it turns the license plate light on (4).
Fail-safe
• Not applicable