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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 X: The Temperature Control Is Inoperative Using The Rear Auxiliary Climate Controls

Test X: The Temperature Control Is Inoperative Using The Rear Auxiliary Climate Controls

PINPOINT TEST X: THE TEMPERATURE CONTROL IS INOPERATIVE USING THE REAR AUXILIARY CLIMATE CONTROLS


X1-X2:






Normal Operation
Under normal operation, a signal voltage is received by front auxiliary temperature control from the rear auxiliary temperature control through circuit 1127 (YE).

Possible Causes
- An open, short to voltage, ground in circuit 1127 (YE).
- Front auxiliary climate control assembly.
- Rear auxiliary climate control assembly.