Circuit Diagram

With AcuraLink 

Fig 1: Navigation System (With Acuralink) - Circuit Diagram (1 Of 2)

Courtesy of AMERICAN HONDA MOTOR CO., INC.

Fig 2: Navigation System (With Acuralink) - Circuit Diagram (2 Of 2)

Courtesy of AMERICAN HONDA MOTOR CO., INC.

Without AcuraLink 

Fig 3: Navigation System (Without Acuralink) - Circuit Diagram (1 Of 2)

Courtesy of AMERICAN HONDA MOTOR CO., INC.

Fig 4: Navigation System (Without Acuralink) - Circuit Diagram (2 Of 2)

Courtesy of AMERICAN HONDA MOTOR CO., INC.