Audio System Symptom Troubleshooting - NO display appears on the screen

NO Display appears on the screen


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

Does the problem appear?


YES - Go to 2.


NO - Operation is normal.n


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

Is it connected properly?


YES - Go to 3.


NO - Reconnect the audio unit connector, and recheck the problem.n


3.Check that the LCD back lights stay on.

Do they all stay on?


YES - Faulty front printed circuit board and audio unit.n


NO - Go to procedure ''Power switch will not turn ON'' on-previous page.n