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If your pioneer AVIC car navigation unit does not register your touches or the wrong button is “pressed”, you need to re-calibrate your screen’s digitizer.
1-Hold the Eject button down until the face of the unit drops all the way 2-Using a pen hold down the reset button (just above the joystick) and the navigation disc eject simultaneously. 3-Release the reset button. 4-Release the dvd eject button next. The display will read “press reset” 5-Push the joystick up two times. 6-Push the joystick down twice. 7-Press the joystick in. 8-The service menu will appear after a short pause. You can navigate the service menu using the joystick. 9-Chose the first menu option and press in on the joystick. 10-Trace the screen with a stylus. 11-"P.ADJ" is the back button 12-Chose the second menu item in order to calibrate the touch screen. Use a stylus again and tap the "+" sign on the screen. (You may have to touch slightly off center if the digitizer is damaged. In which case things will still be off but it will be much better.)
I AM ASSUMING THAT YOU HAVE A BACKUP CAMERA CONNECTED AND IF SO YOU COULD TRY RESETTING THE UNIT BY EITHER PRESSING THE RECESSED BUTTON ON THE FASCIA OR REMOVING THE POWER FOR A FEW MIN'S OR THE TOUCH PANEL MAY HAVE BECOME OPEN CIRCUIT WHICH WOULD REQUIRE REPLACEMENT
Hi, You set the screen so its all the way down and hold down the dvd eject then the reset button for a few seconds, then let off of the reset button, keep the eject button held down for another few seconds. Then the screen will say press reset. instead using the joystick, press up,up,down,down then push it in at the center. It will come up with options. the first one is touch screen test. using the joystick click on that one and do the calibration test. You will then have to trace the outline of the screen, while you are on the right side of it, trace it short to make up for the buttons on the right side. when you finish push the joystick in. it will say "settings ok" then go down to the 4th one, i think, and it will say something like test calibration settings and go to that one. It should say that the settings were saved. After that shut the key off and turn it back on and it should be good to go.