Check Each Vehicle Signal

WARNING: This page is about a different car, the 2013 Subaru Forester. However, it is still accessible from the selected car via links, so may be relevant.

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: Identifying Navigation Connection Buttons
Courtesy of SUBARU OF AMERICA, INC.

NOTE:
Pressing the button (a) for 3 seconds or more, or turning the ignition switch from ACC OFF to ON position can exit the diagnostic mode.
Line Diag screen is displayed.
Check the connection status for each item listed in "Vehicle Signal Check" displayed on the right of the screen.

Fig 2: Identifying Line Diag Screen
Courtesy of SUBARU OF AMERICA, INC.

OK: Each connection device is connected properly.
- CHECK ILLUMINATION
  NOTE:
  Before starting inspections, turn the ignition switch to ON.
  1. Turn the lighting switch to level 1.
    Make sure that the bright switch is not turned ON at this time.
  2. Make sure that "ON" lights in ILL+ and then the screen becomes dim.
    ON: Normal.
    
    OFF: Abnormal. Check the signal line connector. If there are no problems, the unit could be faulty.
- CHECK SPEED SENSOR
  NOTE:
  - Before starting inspections, check the safety around the vehicle.
  - Lift up the vehicle as necessary.
  - When the diagnostic trouble code is input in the VDCCM, perform the Clear Memory operation.
  1. Drive the vehicle at 9 km/h (6 mph) or more.
  2. Check that "ON" is displayed in SPD.
    ON: Normal.
    
    OFF: Vehicle speed is less than 7 km/h (4 mph), or malfunction is detected in the signal line. Check the signal line connector. If there are no problems, the unit could be faulty.
- CHECK PARKING BRAKE SIGNAL
  1. Pull parking brake lever.
  2. Check that "ON" is displayed in PKB.
    ON: Normal.
    
    OFF: Abnormal. Check the signal line connector. If there are no problems, the unit could be faulty.
- CHECK BACK SENSOR
  NOTE:
  Before starting inspections, check the safety around the rear end of the vehicle and then turn the ignition switch to ON.
  1. Pull the parking brake and depress the brake, then put the gear in reverse.
  2. Make sure that "ON" is displayed in REV.
    ON: Normal.
    
    OFF: Abnormal. Check the signal line connector. If there are no problems, the unit could be faulty.