Check Vehicle Signals With Line Diag Mode

Model with 6.2 inch display

Turn the ignition switch to ACC.
Press the button (a) to display the Audio OFF screen.
Touch the screen in order from (b) to (e).

Fig 1: Identifying Audio Off Screen Button
Courtesy of SUBARU OF AMERICA, INC.

NOTE: Pressing the button (a) or turning the ignition switch from the OFF to ACC position can exit the diagnostic mode.
{Line Diag} screen is displayed.
Check the connection status with the {Vehicle Signal Check} in the {Line Diag} screen.

Fig 2: Screen Display - Line Diag

Courtesy of SUBARU OF AMERICA, INC.

Check illumination

NOTE: Make sure that the auto dimmer cancel is OFF and the bright switch is not turned ON.

Set the lighting switch to the parking position.
Make sure that {OK} lights in ILL+ and then the screen becomes dim.
OK: Normal.

NG: 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 VDC control module, perform the Clear Memory operation.

Drive the vehicle at 8 km/h (5 MPH) or more.
Check that {OK} is displayed in SPD.
OK: Normal.

NG: Vehicle speed is less than 8 km/h (5 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

Pull the parking brake switch.
Check that {OK} is displayed in PKB.
OK: Normal.

NG: 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 behind the vehicle.

Turn the ignition to ON.
Pull the parking brake switch and depress the brake pedal, then place the select lever or gear shift lever in reverse.
Make sure that {OK} is displayed in REV.
OK: Normal.

NG: Abnormal. Check the signal line connector. If there are no problems, the unit could be faulty.

Model with 7 inch display

Operation is the same as that of navigation assembly, therefore, proceed to "Navigation System". Ref. to CHECK VEHICLE SIGNALS WITH LINE DIAG MODE , OPERATION, Navigation System.