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Check Each Vehicle Signal

  1. With the main power OFF, press and hold the button (c) for 3 seconds or more while pressing the buttons (a) and (b) simultaneously.
    Fig 1: Display - Vehicle Signal Screen
    G08316579Courtesy of SUBARU OF AMERICA, INC.
    NOTE: Pressing the button (a) for 3 seconds or more, or turning the ignition from ACC OFF to ON position can exit the diagnostic mode.
  2. Line Diag screen is displayed.
  3. Check the connection status for each item listed in "Vehicle Signal Check" displayed on the right of the screen.
Fig 2: Display - Line Diag Screen
G08316580Courtesy of SUBARU OF AMERICA, INC.