shadowinstallz Posted September 6, 2014 Report Share Posted September 6, 2014 I have a 2007 Highlander hybrid....connected my unit to pin 17/yellow on the second plug from ecu behind glove box, but the gps went all crazy jumping around.....does anyone know for sure where the VSS wire is in this vehicle? alternative option is to have the Speed Pulse message removed....the freakin thing is blocking the gps top portion of the screen which has the most vital information. any help would be greatly appreciated Quote Link to post Share on other sites
darryl1212 Posted January 17, 2015 Report Share Posted January 17, 2015 I am also having this issue I installed my x950bh and did the bypass everything works great but when I use my navi I get this error message speed pulse disconnected. I didn't connect the Vss wire as I was worried I would not be able to use video after a certain speed. Does the Vss wire being hooked up have any effect on the mute wire bypass? Quote Link to post Share on other sites
thewkong Posted July 22, 2020 Report Share Posted July 22, 2020 I know this is a very old thread but did anybody figure out how to get rid of the "speed pulse disconnected" message without connecting the speed pulse wire. I am unable to find the speed pulse wire in my Smart Fortwo. I'm not sure if it has one. If anybody knows how to get rid of that message please let me know. Thank you. Quote Link to post Share on other sites
thewkong Posted July 24, 2020 Report Share Posted July 24, 2020 Ok again I know this a very old thread but for anybody who could not remove the message, "Speed pulse disconnected. Calibration will start, but may be inaccurate without speed pulse" because you could not find the speed pulse wire on your car. I found a way. Go to the home screen Press I Press System Information Press 3D Calibration Status Press Learning Press Reset All Then Exit You will get the message "Speed pulse wire is not connected. The system will operate in simple hybrid mode." And that message that the Speed pulse disconnected..... will no longer appear over the map. I tested the navigation and it appears to be working fine. Quote Link to post Share on other sites
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