White Picture Is Shown on the Display/Display Lock

White picture is shown on the display/display lock

NOTE: Check the vehicle battery condition first.

1. Turn the ignition switch ON (II).
2. Push the audio unit rear power switch ON to see if the screen turns ON.

Does the display turn on?

YES - Operation is normal.

NO - Go to step 3.

3. Do the rear entertainment system self-diagnostic.

Does the self-diagnostic indicate OK?

YES - Check the self-diagnostic information.

NO - Substitute a known-good rear controller and screen, and recheck. If the symptom/indication goes away, replace the original rear controller and screen.