I’ve read most of these posts and there’s no simplified instructions w/much detail. So here I go.
Disclaimer>
But before I begin, a word of caution. Some people can’t even talk on a phone and drive, let alone have a movie playing in front of them. Please don’t do this if you don’t have self restraint and control. If you kill yourself because you were watching a movie behind the wheel, we’ll all laugh and call you an idiot. But if you kill someone else, you will forever be branded a murderer. BTW, watching a DVD while driving is mostly likely, illegal in most states. Check with your local law enforcement.
Hopefully, you have had some experience w/a crimper and maybe even a soldering iron. And I really hope that this is not going to be your maiden outting on a $50K Lexus. If you’re using a soldering iron, please be careful with it. We charge $150 for this procedure and you may think that it’s a lot but you’ll be SOL if you burn a hole through your carpet w/a soldering iron. You’ll probably kick yourself in the ass for not shelling out a measly $150. Besides, if you drive a $50K car you should be able to afford it. If you can’t, you’ve got your priorities screwed up. Think before you do. We make it look easy because we have experience and experienced people deserve to get paid.
Instructions>
The removal instructions are already posted somewhere. I won’t go into that.
There are three white plugs going into the monitor. We will not touch the middle one.
On the far left, closest to driver’s side, is 26-pin plug K46.
On the far right, closest to passenger side, is 32-pin plug h1.
On K46, pin # 14 is purple. It is the VSS wire coming in from the BCM to the monitor. Leave a couple of inches on the plug and cut it.
On K46, pin # 23 is yellow. It is the Parking Brake wire that tells the monitor if the parking brake is engaged. Leave a couple of inches on the plug and cut it.
On h1, pin # 13 is pink. It is the VSS wire that leads out to the navigation unit. Leave a couple of inches on the plug and cut it.
The monitor side of the purple wire will be left disconnected. Tape it up or preferably crimp it w/a 3M cap.
The wireloom side of the yellow wire will be left disconnected. Tape it up or preferably crimp it w/a 3M cap.
The monitor side of the pink wire will be left disconnected. Tape it up or preferably crimp it w/a 3M cap.
Use a ring terminal and an 18 awg wire to connect the monitor side of the yellow wire to chassis ground. There’s plenty of grounding locations available along the side, where the monitor mounts. Screw or bolt it in securely w/o interfering w/mounting area.
Use butt connectors or tape and solder an 18 awg wire to connect the wireloom side of the purple wire to the wireloom side of the pink wire. You are effectively re-routing the VSS signal directly into the navigation.
Reinstall the monitor and you are finished.
Synopsis>
Now you should be able to watch movies and access the Bluetooth features while in motion. The parking brake indicator light will only come on when the parking brake is actually engaged. And there should be proper VSS signal reaching the navigation unit. All with absolutely no switches needed. However, this procedure will not bypass the navigation safety feature. You cannot input addresses, etc. while moving.
Obviously, the VSS signal is still reaching the navigation brain and it’s sensing movement and locks you out of it’s controls.