Normal Operation
WARNING: This page is about a different car, the 2006 Mercury Milan, 2006 Lincoln Zephyr, and 2006 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.
When the multifunction switch is in the LH turn signal position, a message is sent to the instrument cluster from the smart junction box (SJB) through the communication network, and the LH turn signal indicator flashes on and off.