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Home >> Lincoln >> 2009 >> MKX FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 2148 (Information Center - Instrumentation, Message Center And Warning Chimes) >> Diagnosis And Testing >> Instrumentation, Message Center and Warning Chimes >> Pinpoint Tests >> Pinpoint Test AH: The WASHER FLUID LEVEL LOW Message Is Inoperative/Always On >> 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 Instrument Cluster (IC) provides a reference voltage to the washer fluid switch. When the washer fluid is low, the washer fluid switch closes to ground, pulling the reference voltage low. When the IC  detects the washer fluid input pulled low, it displays the WASHER FLUID LOW message.

This pinpoint test is intended to diagnose the following: 

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