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Home >> Ford >> 2004 >> Thunderbird >> Repair and Diagnosis >> External Pages >> Different car >> Section 323 (Climate Control System) >> Diagnosis And Testing >> Climate Control System >> Pinpoint Test >> Pinpoint Test F: No Communication With The DATC Module >> Normal Operation
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Normal Operation

WARNING: This page is about a different car, the 2004 Lincoln Aviator. However, it is still accessible from the selected car via links, so may be relevant.

Under normal operation, the DATC module receives a ground through circuit 1203 (BK/LB). The DATC module is supplied constant battery voltage through circuit 729 (RD/WH) and ignition switched voltage through circuit 1003 (GY/YE).