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Home >> Mercury >> 2009 >> Mariner Base, 2.5 7, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 111 (Information Center - Instrument Cluster (Ic), Message Center, & Warning Chimes) >> Diagnostic Tests >> Instrument Cluster (Ic), Message Center And Warning Chimes >> Pinpoint Tests >> Pinpoint Test AE: The LOW WASHER FLUID LEVEL Message Is Inoperative/Always On >> Normal Operation

Normal Operation

WARNING: This page is about a different car, the 2009 Mercury Grand Marquis and 2009 Ford Crown Victoria. However, it is still accessible from the selected car via links, so may be relevant.

The instrument cluster (IC) is hardwired to the low washer fluid switch through circuit 82 (PK/YE). The low washer fluid switch closes when the washer fluid level is low, providing a ground to the instrument cluster (IC) through circuit 57 (BK) and turning on the LOW WASHER FLUID LEVEL message. When the washer fluid is above the low level, the low washer fluid switch opens, removing the ground to the instrument cluster (IC), and the LOW WASHER FLUID LEVEL message turns off.

This pinpoint test is intended to diagnose the following:

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