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Home >> Lincoln >> 2011 >> MKS EcoBoost >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Wiper/Washer Systems >> Wiper System & Washer System >> Diagnosis And Testing >> Wipers and Washers >> Pinpoint Tests >> Pinpoint Test G: The Headlamps Do Not Illuminate When the Wipers are On >> Normal Operation

Normal Operation

The Smart Junction Box (SJB) monitors the status of the windshield wipers when the headlamp control switch is in the AUTOLAMP position and the wipers are on. The wiper motor pulls the voltage reference signal low and within 10 seconds, the SJB activates the headlamps.

This pinpoint test is intended to diagnose the following: 

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