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Home >> Ford >> 2003 >> Excursion 5.4 L, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1088 (HVAC Control System - General Information) >> Diagnosis And Testing >> Climate Control System >> Pinpoint Test W: The Temperature Control Is Inoperative Using The Front Auxiliary Climate Controls >> Normal Operation
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Normal Operation

WARNING: This page is about a different car, the 2005 Mercury Mountaineer and 2005 Ford Explorer. However, it is still accessible from the selected car via links, so may be relevant.

Under normal operation, the auxiliary temperature blend door actuator motor is supplied voltage by circuit 1003 (GY/YE) and ground by circuit 1205 (BK). A signal voltage is received by the auxiliary temperature blend door actuator motor from the front auxiliary temperature control through circuit 1125 (BN).