AVIC-X850BT bypass

[noxguy83]

This says ground the parking brake wire but the book says it has to be on the hot side of the parking brake switch. Are they grounded? Or on the hot side

 

There is no "hot" wire on the parking brake switch.   The switch uses a ground signal.

[smkmn13]

Just finished an install using this method and it worked for me!

 

Thanks all!

[epsilonkore]

This method works for me now!

 

Apparently I had several "glitches" in my old unit (my screen would shimmer, distort, and move around in the frame with even the lightest finger press) so I took it back. The new unit's screen seems "bolted in right" and upon connecting my harness and driving down the road I realized that my Parking Brake/hole next to Mute grounding trick WORKED and I could access all the screens and watch DVD while moving. My VSS ALSO works (I had problems with that as well). So apparently I just had a defective unit from the start.

 

If only I could return the parking brake relay I bought off Amazon, too far out from purchase now

[Crackinhedz]

Thanks for this, worked great!

[iyox]

This is working for me on my x950bh. One question about the system info screen; Should it show the parking brake as 'on'? I am mildly nervous about my install because I used a stripped bit of wire because I couldn't get the mute pin to budge.

[Lyverbe]

Should it show the parking brake as 'on'?

 

Yes

[jsenka]

Just letting you all know.  To bypass the new AVIC-X850BT.  Simply ground the slot next to the mute wire.  You can move the mute wire over or just insert a skinny wire into the empty slot and make sure its tight and wont work itself loose over time.

 

also ground the original light green parking brake wire.

This worked for me on my X950BH. I got the parking brake message once. (so far, after about a dozen start-ups).

[mlayton2010]

jsut saying, i've got the 9310 (which for those unaware is the model that dealerships would install for a "factory" package, the mute wire is already in the 2nd pin and should be able to to just be grounded, testing theory tonight, will repost to confirm

[CatalinT]

I would like to add a little comment on this subject and tell me what you think.

Last week i wrote a little post regarding my problem with my brand new unit F950DAB. I have not done any bypass and my unit was complaining that my wehicle is in motion therefore cannot use the settings menu. After a little help from the memeber Pug, i grounded my parking brake cable since it was not. This has acctually fixed my unit. It does not complain about being in motion, i can access all the menus, i can type in new address on gps without stopping the vehicle and play video while driving. So for my unit looks like just grounding the parking brake is all io had to do, and the mute cable is on it's original position.

 

only problem i have which i still try to figure out is this problem with GPS location while in tunnels, buildings etc. I have understood there is an importance of this VSS which is very confusing for me what to do with it. Can i just connect this VSS to the ground like i did with the parking brake. I do not have a can-bus . I only have the kit for my steering weel buttons. Any good advice on this matter would be grate.

 

Thanx in advanced.-

[epsilonkore]

It is a signal that comes from your cars "Vehicle Speed Sensor", it is not a ground. You need to look up your cars wiring harness to find out which wire, if any, accesses your cars VSS.

[Crackinhedz]

Ok guys, help me out!

 

Several months ago I did the bypass and it has worked like a charm, no issues.

 

Well the other day I decided to get behind the head unit to try out the Auto Eq feature (thats where the mic connection is on my x850bt)...long story short, the EQ sucked and now my bypass seems to not work anymore! I am now getting "cannot use this feature while driving yadda yadda" message.

 

Under system info it shows parking break "on", and I can watch videos when not moving, but as soon as I hit a couple MPH it disables the video and get a message.

 

When removing the head unit I disconnected the ground cable at the battery. Im thinking this has something to do with it? Is it possible the head unit is using the GPS somehow to tell Im moving?

 

Any ideas on how to fix? I guess I could have loosened the bypass wire, but highly doubtful. Im really hoping its an easy setting to fix, because I would really like to avoid taking the dash trim out of my car again.

 

Thanks for any help

[tgrizzle73]

Ok.... this worked for me as well.  Relocated the yellow mute wire to the spot left of it and grounded it and the green parking brake wire.  Got the message once so far.... thanks for the post!

[gungadin19]

Hi All,

 

Long time lurker but first time poster......so let the noob flaming begin.  And yes, I've done a ton of research on this forum and the web.

 

I bought a 950HB from Crutchf#eld, along with their harness, antenna adapter, sirius adapter and iDatalink Maestro SWC unit.

 

I have done installs in the past so I'm not a total noob, but never a GPS.  I had an installer put it in since I didnt have time due to my job.  He did a decent job and everything works good except for 2 things, which is why I took it back out to try and fix myself:

 

1.  The unit will not dim when the Orange/White wire on the HU is connected to either the Orange OR Orange/White wire of the harness.  I checked the connections thoroughly and even used a multimeter.....no +12v signal from wither wire.  I was able to work around this by connecting the Orange /White wire on the HU to the applicable cable on the hazard light.  Not ideal I know, but nothing else worked.  Is this a problem specific to the harness, Honda Accords, or a bad 950BH?

 

2.  No matter what I try, the 950BH senses movement and the bypass posted here and on YouTube do not work for my unit.  The VSS wire is not connected. 

 

I chose to move the mute wire one pin over (not down), connect it to the PB wire, and ground both. I have tried the following:

 

a.  I tried grounding the light green PB wire/moved mute wire together to the black ground wire of the harness...bypass does not work.

 

b.  I tried grounding the light green PB wire/moved mute wire together to the chassis.....no difference.

 

c.  I checked and re-checked the connection on the moved mute wire....it is inserted properly and in the correct position (1 pin over, next to the red wire)...no difference.  I even opened the white harness back up to make sure it was inserted properly, and crimped it up ever so slightly so as to improve the connection......no difference.

 

d.  So next I did a "reset to default" thinking this might be the ticket....no difference.

 

On the info section of the unit, it says PB is "On" when I ground the light green PB wire/moved mute wire together, regardless of whether this combined combo is grounded to the black wire of the harness or even to the chassis.  When I remove it from either it says PB "Off," so the grounding is not the problem.

 

No matter what I do the unit is sensing movement somehow, even if I just back up or drive a few inches, the nav options grey out and playing a DVD gives me a warning.  I even disconnected the GPS antenna thinking that maybe this was sensing movement....no difference.

 

So as a final test, I pulled the unit out and re-connected everything inside the car and noticed that if the unit is bumped even SLIGHTLY the nav options grey out.  There has to be some gyroscope, compass, or something that signals movement.

 

So I'm at a loss here.  I bought my unit brand new on 12/23/13 and everything was factory sealed so I don't think it was a refurb from Crutchf#eld.  Is there any chance Pioneer started adding something new to sense movement in either the unit or in the latest firmware update to v1.03, which I did after the installer was finished, since I have an iPhone 5S?

 

Reading through a ton of posts on here I really can't believe I can't get this to work.  I know most people who have problems just check their wiring and find the problem.  And some people made the suggestion that there is an internal mechanism preventing this from working  I believe the bypass works, but not on my unit for some reason.

 

I would really appreciate some help and suggestions.

 

PS.......I've seen a lot on here about a software bypass but nothing specific to the 950BH.  Does anyone know if works on this unit?  I'd be willing to try.

 

Sorry for the long post but I wanted to be as thorough as possible.

[BigRedd]

I tried to follow this direction, but ran into a problem. The large white connector is not used on my unit - the smaller black connector is used. There are no open pin slots. The light green wire has a parking brake label, and it connects back into the vehicle with the cable-tied bundle. The pink wire has a car speed signal input label and it is not connected (the pink wire just ends).

 

My X850bt unit definitely locks out gps entry in motion. I don't recall putting on the parking brake to enter anything - being stopped was sufficient. So, I don't know what wiring mods might help.

 

Any suggestions?

[Mvb406]

I used Jeff's mod on my X950BH and it worked just fine. Only prompt I get is the unit telling me that it detected my parking brake wired inccorectly. It's not an issue because I can still watch movies while in motion as well as input addresses into the GPS.

 

Now I'm not sure if iI'm reading your post correctly, epsilonkore, but you're supposed to do one of two things for the mod to work . . .

 

1) Take the Yellow Mute Wire and move it over to the left one spot (where Jeff has the green wire). Then ground the green parking wire and the nearly switched yellow mute wire.

 

OR

 

2) Do what Jeff did and add a wire to the left of the Yellow mute wire. Then ground the new wire you placed along with the green brake wire. Make sure you leave the unmoved yellow mute wire disconnected. You do not connect this to anything since you've added a wire to replace it.

 

Hope that helps