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Home >> Mercury >> 2005 >> Mountaineer 2WD V8-4.6L SOHC VIN W >> Repair and Diagnosis >> Heating and Air Conditioning >> Testing and Inspection >> Pinpoint Tests >> Test Y: The Panel/Floor and Cool/Warm Controls Are Inoperative Using The Front Auxiliary Climate Controls

Test Y: The Panel/Floor and Cool/Warm Controls Are Inoperative Using The Front Auxiliary Climate Controls

PINPOINT TEST Y: THE PANEL/FLOOR AND COOL/WARM CONTROLS ARE INOPERATIVE USING THE FRONT AUXILIARY CLIMATE CONTROLS


Y1:






Y1-Y2:






Normal Operation
Under normal operation, the front auxiliary climate control assembly receives voltage from circuit 1003 (GY/YE) and ground from 1205 (BK).

Possible Causes
- An open in circuit 1003 (GY/YE) or 1205 (BK).
- Front auxiliary climate control assembly.