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Home >> Subaru >> 2015 >> WRX Base >> Repair and Diagnosis >> Electrical >> Gauges >> Instrumentation System & Driver Information Center >> Multi-function Display (MFD) System >> Operation >> Diagnostic Mode
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Diagnostic Mode

The settings of the multi-function display can be changed by performing the following procedures to display the diagnostic mode. To show the demonstration display only, refer to "DEMONSTRATION DISPLAY".

CAUTION:
  • To avoid battery discharge, perform the procedure while charging the battery.
  • While performing the work, close the front hood and all doors, and do not operate any electrical parts.
  • Display can not be switched to diagnostic mode if the illumination control dial is set to the position for the dimming cancel function (maximum brightness).
  1. Procedure
    CAUTION: Perform the steps described in  2 through  4 within 10 seconds.
    1. Turn the ignition to ON, and within 3 seconds, turn the lighting switch to Switch 1 (TAIL) or Switch 2 (HEAD).
    2. While keeping the lighting switch to Switch 1 (TAIL) or Switch 2 (HEAD) position, press the ENTER switch three times.
    3. Turn the lighting switch to OFF, and press the ENTER switch three times.
    4. Turn the lighting switch to Switch 1 (TAIL) or Switch 2 (HEAD) position again, and press the ENTER switch three times.
    5. Go to "Diagnostic mode".
      NOTE:
      • Except for the demonstration display setting of the diagnostic mode, the display will terminate by turning the ignition to OFF (ACC OFF) or by selecting "Back" from the menu screen.
      • The demonstration display setting of the diagnostic mode will terminate by starting the engine or removing the battery. Even if the ignition is turned to OFF (ACC OFF), then to ON again, the diagnostic mode will not terminate.
      • To select other menus from the demonstration display setting, terminate the diagnostic mode by starting the engine or removing the battery, then access to the diagnostic mode again.
  2. Display menu

    Change the display and settings from each menu.

    Menu Item Remarks
    Demonstration display setting - Shows demonstration display.
    Vehicle status confirmation
    • CAN communication
    Displays the connection status of input signals.
    • U-ART communication
    • Camera connection
    Rear camera settings
    • Guide line adjustment
    Adjust the guide line in the order of up/down, left/right and rotate, then select "Set" to determine.
    • Guide line display
    Select "ON" or "OFF", then select "Set" to determine.
    • Guide line reset
    Select "Yes" or "No" to determine whether to restore to the default settings.
    Customize
    • Key operation sound
    Select "ON" or "OFF", then select "Set" to determine.
    • Correction of lifetime fuel economy value(1)
    Adjust the fuel economy value within the range of -10 - +10 km/l, then determine the value with i/SET switch.
    Back - Finish the diagnostic mode.
    (1) Correction of lifetime fuel economy value is used only when the multi-function display has been replaced. This function is provided as a compensation feature to bring the current lifetime fuel economy value to the one before the replacement of multi-function display.