No Display Appears on the Screen (LCD Segments Cannot Be Read)

No display appears on the screen (LCD segments cannot be read)

1. Repeat turning the ignition switch ON (II) and OFF to see if the problem appears.

Does the problem appear?

YES - Go to step 2.

NO - Operation is normal.

2. Remove the audio-HVAC display module, and check for the proper connection of the audio unit connector A (20P).

Is it connected properly?

YES - Go to step 3.

NO - Reconnect the connector, and recheck the problem.

3. Check that the audio unit switches correctly respond to your operation.

Do they function correctly?

YES - Faulty audio unit.

NO - Faulty front printed circuit board and audio printed circuit board.