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I removed my Pioneeer AVH-P4000DVD from my Tacoma pickup to upgrade to an AVH-X2500BT and installed the AVH-P4000DVD in my mustang cobra and found myself suffering from a strange issue (that seems to have happened to a lot of you too). All of a sudden I had lost my audio on my USB and AUX inputs. I tore the net apart for a solution, pouted, drank, and started doing more and more research, and check instruction manuals. I eventually found the solution based of one lone comment someone had mentioned regarding ground and comparing the wiring diagrams for the two decks. I pulled the pioneer harness out of truck and compared it to the pioneer harness in my car and found an inconsistency. This may solve the issue that plagues you as well. Check the harness you are using. I was not able to find a pinout, but the 4 wires on one end of the harness for the AVH-P4000DVD should be +12V battery, +12V ignition, ground, and ground, (yellow, red, black, and black). If you have received the harness for a newer model of pioneer AVH it will still fit fine but one wire is out of place. The second ground wire you need has been replaced by a purple reverse gear sensor for the backup camera. Ground out the purple wire and it should solve your issue... It did for me. Good luck.
there is a reset button on the left of the cd player. u will need a needle to hit the button. once u hit it, the screen will still say caution but when you touch the screen it will go back to your regular settings
push in the driving brake. while holding in the brake , engage the parking brake. disengage the parking brake.then repeat this step again. a notice should pop up and you should be fine after that. I put one in a F-350 and had the same problem.
Do you have the green cord that attaches to the parking break hooked up?
This stereo is designed so that you cannot watch videos while driving, therefore you need to have the parking break on in order to get video.
when you play a dvd with out the parking break on, you will only get sound.
If you can touch the screen and get the menu, then after 15 seconds or so, it goes back to the 'images may appear reversed' message, here is what you need to do....
1) Touch the screen to get menu
2) Touch the "Rear View" button (lower left of screen)
3) It should beep, but not change from menu view.
IF it changes instantly to the 'images may appear reversed' screen, repeat steps 1, 2, 3.
This should fix your issue.
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