Check Each Connection

Press the « Audio» key to display the AUDIO OFF screen.
Touch the screen in the order of (1) to (6) shown in the figure.

Fig 1: Screen Display - Audio Off
Courtesy of SUBARU OF AMERICA, INC.
The display will switch to the Dealer Diag Menu screen.

Fig 2: Screen Display - Vehicle Signal Information
Courtesy of SUBARU OF AMERICA, INC.

CHECK MICROPHONE, AUX AND REARVIEW CAMERA
NOTE: Before starting inspections, check the safety around the rear end of the vehicle and then turn the ignition switch to ON.
1. Touch {Connection Info.} on the « Dealer Diag Menu» screen.
2. Check that "Connect" is displayed in all the MIC, AUX and Camera items.
  NOTE: {AUX} item is not displayed, if the suitable mini jack is not inserted in the AUX terminal in the console box.
  Connect: Normal.
  NC: Abnormal. Check the signal line connection. If there are no problems, the unit could be faulty.
CHECK GPS ANTENNA
NOTE: When checking the GPS antenna, perform the check operation outdoors to improve the receiver sensitivity.
1. Touch {Vehicle Signal Info.} on the « Dealer Diag Menu» screen.
2. Check that "Connect" is displayed in the GPS Antenna item.
  Connect: Normal.
  
  NC: Abnormal. Check the GPS antenna connection.
CHECK UART COMMUNICATION
NOTE: When checking the GPS antenna, perform the check operation outdoors to improve the receiver sensitivity.
1. Touch {Vehicle Signal Info.} on the « Dealer Diag Menu» screen.
2. Check that "ON" is displayed in the UART signal item.
  OK: Normal.
  
  NG: Abnormal. Check the signal line connection. If there are no problems, the unit could be faulty.
  
  NOTE: If the UART signal line connector is not connected, the marker line is not displayed when the rearview camera image is displayed.