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Home >> Acura >> 2003 >> MDX Base >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Infotainment >> Navigation System ('03-04 Models) >> System Description >> Navigation Function >> Charge Signal
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Charge Signal

The PCM sends a charge signal to the navigation unit via F-CAN. A thermister inside the navigation unit monitors the units internal temperature. This information combined with charge signal determines the control units internal cooling fan operation.

Fig 1: Charge Signal Communication Diagram
G03642670Courtesy of AMERICAN HONDA MOTOR CO., INC.
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