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Home >> Mercury >> 2010 >> Milan Base, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 725 (Seat System - F-150 & Mark LT) >> Diagnostic Tests >> Seats >> Pinpoint Tests >> Pinpoint Test J: The Heated Seat Is Inoperative - Seat Does Heat But The Heated Seat Indicator Does Not Illuminate - Driver >> Normal Operation

Normal Operation

WARNING: This page is about a different car, the 2007 Lincoln Mark LT and 2007 Ford Pickup. However, it is still accessible from the selected car via links, so may be relevant.

Upon receiving a signal from the electronic automatic temperature control (EATC) module, the heated seat module will decrease one setting (the sequence is HI, LO, OFF, HI, etc.). When a heated seat is set to HI, both LED indicators above the heated seat control button will illuminate. When a heated seat is set to LO, only the left LED will indicator will illuminate. When a heated seat is set to OFF, neither LED will be illuminated.

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