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Home >> Ford >> 2000 >> Expedition 5.4 L, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 2 (A/C-Heater System - Automatic) >> Self-Diagnostics >> Test J: Temperature Display Will Not Switch Between CELSIUS & FAHRENHEIT

Test J: Temperature Display Will Not Switch Between CELSIUS & FAHRENHEIT

WARNING: This page is about a different car, the 1999 Lincoln Navigator and 1999 Ford Expedition. However, it is still accessible from the selected car via links, so may be relevant.

  1. Check EATC Display

    Turn ignition to run position (engine off). Press AUTOMATIC button. Press MAX A/C and DEF buttons simultaneously for at least .75 second. If display changed between °F and °C, system is functioning properly at this time. If display did not change between °C and °F, replace EATC module. Retest system.
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