The Screen Freezes And Does Not Accept Any Operation Entry

WARNING: This page is about a different car, the 2022 Subaru WRX. However, it is still accessible from the selected car via links, so may be relevant.

Probable cause:

External device malfunction, influence, unit body malfunction

CAUTION:

Before performing diagnosis, refer to "CAUTION" in "General Description". Ref. to COCKPIT CONTROL (DIAGNOSTICS)>GENERAL DESCRIPTION>CAUTION

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.
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.
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.
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.
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.
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.
PERFORM INITIALIZATION PROCEDURE .
Using Subaru Select Monitor, perform procedures from [Maintenance support] to [Memory Initialization] in [Cockpit Control].
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