REAR FOG LIGHT

id091800014100

Purpose

• The rear fog light enhances the visibility of the vehicle from vehicle rear during poor weather conditions such as rain and fog.

Function

• When the rear body control module (RBCM) receives a rear fog light on request signal sent via CAN communication from the front body control module (FBCM), it turns the rear fog light on.

Structure/Construction

• The rear fog light is located on the rear bumper.

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Operation

Operation condition

• Ignition switched ON (engine off or on)

• Headlight LO or front fog light is illuminated

• Fog light switch position: R.FOG

Operation

1. When the fog light switch is moved to the R.FOG position, the start stop unit detects (1) the rear fog light signal.

2. The start stop unit sends (2) the rear fog light signal to the front body control module (FBCM) via CAN communication.

3. When the operation conditions are met, the front body control module (FBCM) sends (3) a rear fog light on request signal to the rear body control module (RBCM) via the instrument cluster.

4. When the rear body control module (RBCM) receives the rear fog light on request signal, it turns the rear fog light on (4).

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Fail-safe

• Not applicable