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Home >> Lincoln >> 2009 >> MKX FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 2146 (Exterior Lighting System) >> Diagnosis And Testing >> Turn Signal and Hazard Lamps >> Pinpoint Tests >> Pinpoint Test L: The Turn Signal Lamps Are Inoperative >> Normal Operation

Normal Operation

WARNING: This page is about a different car, the 2010 Lincoln MKX and 2010 Ford Edge. However, it is still accessible from the selected car via links, so may be relevant.

The Smart Junction Box (SJB) sends voltage signals to the multifunction switch (LH turn input and RH turn input). When the multifunction switch is switched to the LH or RH TURN position, the voltage signal is routed to ground. When the SJB  detects the multifunction switch in the LH or RH TURN position, the SJB  sends voltage to the appropriate turn lamps.

This pinpoint test is intended to diagnose the following: 

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