Question about Motorola Mobility Bluetooth Hands-Free System Car Kit T605 98799N Wireless Headset

10 Answers

T605 motorola car kit not muting andnot sure pins to hook up tele

Installing a t605 car kit in a 2009 Hyundai Sonata GLS. Yellow wire from kit when hooked up to brown wire on radio (connector M09-D wire shows negative when mute button is pushed) does not mute. Blue and orange wires from kit to pins on back of radio for telephone input nothing comes out of radio. Wiring diagram for vehicle shows connector MO9-C has pin 1+2 for a roof mic. I was told two of the other pins in that connector would be for telephone +input and -input. But nothing comes out of radio speakers when answering the phone. I can mute manually then answer call using external speaker but car kit was supposed to mute when taking a call. Whats wrong?

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  • 14 more comments 
  • mwootan895 Dec 28, 2008

    No loose connections.

  • mwootan895 Dec 28, 2008

    Already checked that site and info but no help.

  • mwootan895 Dec 28, 2008

    yes reversed and tried other pins with no luck on inputs

  • mwootan895 Dec 28, 2008

    Directions for T605 car kit shows yellow wire to be hooked up to the mute input wire. Not hooked together with the hot feed. On most radios the yellow wire is for memory.

  • mwootan895 Dec 28, 2008

    The wires for the inputs? As far as the two wires for telephone inputs were switched in every configuration and still no audio from the phone. The wire for muting is supposed to be connected to the muting signal wire to the radio. I tried both wires at the radio and still no mute.

  • mwootan895 Dec 28, 2008

    I'm a certified tech, I did it. That has nothing to do with it.

  • mwootan895 Dec 29, 2008

    Sorry. Did not mean to snap at you, I have just been stressed alot. No unfortunately I do not unless I buy another one. I keep hoping I would get a motorola person who knows this product to give some insite.

  • mwootan895 Dec 29, 2008

    The unit works just fine without the yellow wire hooked up. Can take and make calls. So are you telling me the orange wire is for the mute and the yellow wire is for the + line level telephone audio input?

  • mwootan895 Dec 29, 2008

    So, If I switch those wires( yellow with the orange) The mute will work. Pair up the blue and yellow to the terminals in the back of the radio for the telephone inputs and the sound will go through the radio? Any idea which of the 4 terminals? I know terminals 1 and 2 are for a roof mic. so that means 3,4,5,6 are left.

  • mwootan895 Dec 30, 2008

    Well you are correct about the orange wire it does switch to ground when a call comes in. But when I hook it up to the brown signal wire it still will not mute. Looking closer at the wiring schematic for the sonata it looks like there are resisters in line between the switches(vol up ,dn, mute and mode). Maybe it is not working because it is not seeing the right resistance.
    Before you mentioned the grey wire for the telephone but of course the directions say purple and grey: speaker level handsfree audio(not used in this configuration). This would leave me with the yellow and blue wires for the line level telephone inputs. Still not sure which pins to use there. Schematic shows pins 1+2 for mic. pin 3 ALT L (nav1). pin 4 AV Tail. pin 6 DR_UNLOCK_IN. pin 5 nothing (yet there is a terminal in the back of the radio at that spot). Still at the same aggravating spot!

  • mwootan895 Dec 30, 2008

    Already checked that one out, doesn't help with factory wiring.

  • mwootan895 Dec 30, 2008

    Why pay when I have most of it done and I am able to do work, just need correct wiring diagram or help locating correct pins.

  • mwootan895 Dec 31, 2008

    I already printed out a schematic from hmaservice.com but unfortunatly at connector MO9E (8 pin black) the pins 1 and 3 are not controlling the radio mute. In connector MO9D pins 1(brown) and 2(green)I have a signal on the brown wire (pin1) when I press mute button. I disconnected connector MO9D and tried the mute and it would not work so I deduce the mute circuit/wires is in that connector.

    I got a solution of using a motorola speaker switcher but not sure if I need to use one or not yet.

  • mwootan895 Dec 31, 2008

    This radio does not have an external Amp. radio with cd/XM/usb/Aux. On the hmaservice site there are a number of schematics but no amp to be found in the car. no sub either so I have been using Schematic Diagrams SD961-5 and SD961-6.

  • mwootan895 Dec 31, 2008

    figured it out. Need an extra item to make it work with the car.

  • mwootan895 Dec 31, 2008

    Thanks for your time in this matter. I had a feeling I would need some other item to make this all work with the car. Your help was appreciated and I will look you up if I have any more questions.

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  • 448 Answers

Can you scan and email those instructions

Posted on Dec 31, 2008

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  • 326 Answers

If nothing is helping check out the motorola support website for help.the link is given below:
www.motorola.com/consumer/v/index.jsp?vgnextoid=38b5f7c0c1a0b010VgnVCM1000008206b00aR

Posted on Dec 31, 2008

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  • 2,110 Answers

Http://www.discountcarstereo.com/pdf/mss.pdf

in this document u can find wiring diagram...

Posted on Dec 30, 2008

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  • 177 Answers

Make sure that everything is wired in tight enough and that there is nothing sticking out, if that doesn't work then try re-wiring the same way and fiddle a bit.

If not then take it to a car shop and have them wire it and if no luck then take the bluetooth hand set back to the place you bought it from and have them replace it with a new one!

--P3NGYJ03

Posted on Dec 29, 2008

  • Jackson Henney Dec 30, 2008

    Take it to a car place and have it serviced!

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Hey, man. even though the manual says yellow.... the correct mute wire is orange!

Posted on Dec 29, 2008

  • 18 more comments 
  • blueextc3221
    blueextc3221 Dec 29, 2008

    if it was one of the first units produced.... it is an industry known problem. I think you got an old one!

  • blueextc3221
    blueextc3221 Dec 29, 2008

    removed the relay and swapped the yellow and orange wires, and it works great.

    look at the behavior of the orange and blue wires, which are supposed to be the +ve and -ve audio differential output pair from the MOT. They and the yellow wire all looked like floating outputs in the non-mute state, but only the orange wire goes to ground during a call.

  • blueextc3221
    blueextc3221 Dec 29, 2008

    dont forget to chage my rating to fixYa after you verify my answer ;)

  • blueextc3221
    blueextc3221 Dec 29, 2008

    Yes, yellow = orange & Orange = yellow (in your case)

  • blueextc3221
    blueextc3221 Dec 29, 2008

    it has been a while, and without actually having my big a$$ in the vehicle, i cant recall. I called a reference, and he said he recalls the wires being orange and grey. Not the pin location however. Not working with the items on a regular basis makes it difficult. Keep me posted!

  • blueextc3221
    blueextc3221 Dec 30, 2008

    the dealership should be able to pull the wire schematic on their computer and help you out. Stop by the parts desk, and ask. Can't hurt!

    (p.s. your salesman should be good enough to find out the info too... if he wants your repeat business)

  • blueextc3221
    blueextc3221 Dec 30, 2008

    Have i got a scoop 4 u !!!

    im tring to figure out how to get this to you, but a source has faxed me the page for the service manual.

  • blueextc3221
    blueextc3221 Dec 30, 2008

    Let me know if this works for you...


    http://hmaservice.com/viewer/content.asp...^10156^none^none^1001^4^ENG^HY^NF13^2009^all^0^none^none^none^ETM^0$&firstnodedesc=Audio+%26gt%3B+Schematic+Diagrams+%26gt%3B+Schematic+Diagram&print_title=&cat1=SONATA%28NF%29+%26gt%3B+2009+%26gt%3B++%26gt%3B+&cat2=&imgcount=8&imgnum=6

  • blueextc3221
    blueextc3221 Dec 30, 2008

    well, i guess its not a fax, its a link! lol

  • blueextc3221
    blueextc3221 Dec 30, 2008

    I could do a screen cap, but nowhere to post it to

    hmmmmmmmmmm

    still thinking.

  • blueextc3221
    blueextc3221 Dec 30, 2008

    in your molex connector M09-C

    Pin 1 = Mic +

    Pin 2 = Mic -

    Pin 3 = Alt L (Navi)

    Pin 4 = AV Tail

    Pin 5 = * Un-Used

    Pin 6 = DR unlock IN



    The Mute you are looking for is in the M09E Cable On the radio. 8 Pin black Connector.



    Pins 1 and 3 are the muting circuit.

  • blueextc3221
    blueextc3221 Dec 30, 2008

    1 is audio mute

    3 is nav mute



    hope this helps!

  • blueextc3221
    blueextc3221 Dec 30, 2008

    a signal to either one will mute the amplifier.

  • blueextc3221
    blueextc3221 Dec 30, 2008

    if you are looking at the connector with the locking mechanism on top, pin 3 is top right, pin 1 is lower right.



    LOCK

    8 3

    5

    7 2

    4

    6 1

  • blueextc3221
    blueextc3221 Dec 31, 2008

    should be 1/3 not 2 on M09E

    and the diagram says E Amp Mute....(external amp mute)

    A voltage is applied to either for the amp to mute.

  • blueextc3221
    blueextc3221 Dec 31, 2008

    on the SD961-1 schematic.

  • blueextc3221
    blueextc3221 Dec 31, 2008

    however, if you have the JBL amplifier, it does not show a muting circuit. M09E pins 6+8 are only used as remote turn on ffrom nav & audio.

  • blueextc3221
    blueextc3221 Dec 31, 2008

    oh, then it makes sense that you cannot mute the system for a call.

    the diagram shows The only "Mute" is in the remconn steering wheel... and needs a specific resistor value to engage.

    Guess I assumed you just wanted to tap into the muting capabilities of the amplifier.

    Sorry for the confusion.

    Without knowing the resistance the computer needs to "see" in order to mute... you are SOL as far as hard wiring.

    If you were to get the correct input value, i believe the audio could not be heard thru the stereo anyway, as the internal radio amplifier would be muted.





    However... looking at the diagram... Pin 3 is the source signal, and once the resistance is accomplished, it grounds out.... so putting an additional relay circuit in line may accomplish the same thing...



    SPDT relay - input from Terminal 3.... Grounded Output.... trigger from harness.

    But once again, it will not do what you want. There will be no output from the radio to speakers.



    Keep me posted.

  • blueextc3221
    blueextc3221 Dec 31, 2008

    you'll have to use a switcher, as i cannot see any way of sending a signal to the car speakers if the mute circuit is closed.

    Maybe a blutooth wireless fm modulated type setup would have been easier LOL

  • blueextc3221
    blueextc3221 Dec 31, 2008

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  • 837 Answers

Has this been installed by an installation shop or done by yourself?

Posted on Dec 28, 2008

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  • Jay Glendenning
    Jay Glendenning Dec 28, 2008

    I am only clarifying for informational purposes

  • Jay Glendenning
    Jay Glendenning Dec 28, 2008

    Do you have another kit? .. just possibly a problem with the kit you are using

  • Jay Glendenning
    Jay Glendenning Dec 29, 2008

    Hey man .. no offense taken .. just offering alternative help .. Good Luck ..

    Hoping blueextc3221 offerings are good for you




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If i remember correctly the yellow wire is for the memory snd should be run with the hot wire to hold memory for the radio and all it controls.the mute etc..you might try changing that one wire

Posted on Dec 28, 2008

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Did you try reversing the wires on the inputs?

Posted on Dec 28, 2008

  • George Bill
    George Bill Dec 28, 2008

    One thing we know is that it has to be somehow to the circuit that controls the volume, so any wires that you needed to mess with should be in that circuit, just try focusing on that for now

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Sir,

Click this link and how to install....This is the video link after playing the video u see a list of more videos to be play...check out

Also click this link

thanks
good luck

Posted on Dec 28, 2008

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  • 100 Answers

The wires may not be connected properly and needs to be checked also check out if any of the wires got loose.and interchange the connections and check out.

Posted on Dec 28, 2008

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