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Home >> Lincoln >> 2003 >> Aviator AWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Infotainment >> Electronic Features >> Diagnosis And Testing >> Navigation System >> Pinpoint Test B: No Communication With The Navigation System Module >> Normal Operation
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Normal Operation

Battery voltage is supplied to the navigation system module through circuit 1001 (WH/YE). The accessory/delay relay supplies voltage to the navigation system module through circuit 1002 (BK/PK). Circuit 1205 (BK) provides the navigation system module ground.

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