The Screen Freezes And Does Not Accept Any Operation Entry

Probable cause: 

External device malfunction influence, unit body malfunction

1. CHECK RESTARTING DISPLAY  .

   Turn the ignition switch OFF → leave it for three minutes or more after the display turns off, then turn it to ACC. (The door should be closed at this time.)

   Is the screen freeze eliminated?

   Yes:  Go to  5 .

   No:  Go to  2 .

2. REMOVE OTHER MEDIA OR EXTERNAL DEVICES  .

   Remove the external devices connected to CD and USB. Also, remove the external devices with Bluetooth.

   Is the screen freeze eliminated?

   Yes:  Go to  3 .

   No:  Go to  6 .

3. CHECK OTHER EXTERNAL DEVICE CONNECTION  .

   When screen freeze is eliminated, connect external devices one by one to identify the device that causes screen freeze.

   Is the device that reproduces screen freeze identified?

   Yes:  Go to  4 .

   No:  Go to  5 .

4. CHECK OTHER EXTERNAL DEVICE CONNECTION  .
   1. Replace the identified device with the one that has the same performance.
   2. Turn the ignition switch to ACC.

   Does the screen freeze occur?

   Yes:  Replace the cockpit control module. Ref. to ENTERTAINMENT & MONITORING>COCKPIT DISPLAY .

   No:  The external device may be defective.

5. CHECK OPERATION PROCEDURE  .

   Ask how the user operates when screen freeze occurs, and perform using the same procedure.

   Is the check result OK?

   Yes:  Currently no failure is found.

   No:  Go to  6 .

6. CHECK ENVIRONMENTAL CONDITION  .

   Check if any external devices which emit strong electromagnetic waves and noises, such as a radio antenna, is installed inside the vehicle.

   Is the check result OK?

   Yes:  Go to  7 .

   No:  Remove the external device and perform the inspection from step 2 again. If the fault is not fixed: Go to  7 .

7. PERFORM INITIALIZATION PROCEDURE  .

   Perform the initialization procedure for the unit.

   CAUTION: When the initialization procedure is performed, the data, telephone directory, etc. recorded in the unit body will be deleted. Before initialization, obtain permission from the user.

   • Cockpit control system: Ref. to COCKPIT CONTROL (DIAGNOSTICS)>SERVICE DIAGNOSTICS MODE>OPERATION>SERVICE INSPECTION>SETTINGS .

   Is the screen freeze eliminated?

   Yes:  Go to  5 . If the screen freeze occurs again, replace the cockpit control module. Ref. to ENTERTAINMENT & MONITORING>COCKPIT DISPLAY .

   No:  Replace the cockpit control module. Ref. to ENTERTAINMENT & MONITORING>COCKPIT DISPLAY .