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Home >> Lincoln >> 2006 >> Navigator 2WD V8-5.4L VIN 5 >> Repair and Diagnosis >> Heating and Air Conditioning >> Testing and Inspection >> Pinpoint Tests >> Test X: The Temperature Control Is Inoperative Using The Front Auxiliary Climate Controls
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Test X: The Temperature Control Is Inoperative Using The Front Auxiliary Climate Controls

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


X1-X3:






X3-X4:






Normal Operation
Under normal operation, the auxiliary temperature blend door actuator motor is supplied voltage by circuit 294 (WH/LB) and ground by circuit 57 (BK). A signal voltage is received by the auxiliary temperature blend door actuator motor from the front auxiliary temperature control through circuit 1126 (LB).

Possible Causes
- Fuse
- An open in circuits 57 (BK), 294 (WH/LB) or 1126 (LB)
- Front auxiliary controls
- Auxiliary temperature door actuator
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