Question about 2003 Toyota MR2 Spyder

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Toyota MR2 2003

How do i change the radio head unit?

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2005 Toyota Sienna. Radio turns on, can see station or CD, but no sound from speakers at all. Complete silence. Just one day, stopped working while driving.

If you have a multi-speaker setup like my 4Runner (also an 2005) Toyota uses a separate amplifier; i.e. not built into the the head unit (radio). The only home solution would be to clean the contacts where all the plugs connect. Back of the head unit, and the amplifier. If this doesn't fix it the amplifier probably has failed or the electronics in the head unit. Don't forget to disconnect the negative battery cable before doing any of this work, and make sure you have the security codes for the radio before you disconnect.

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Normally the car displays a message saying it is turning the radio off to conserve the 12v battery...

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1991 toyota carolla seca cs limited head unit wiring colour codes

Radio Constant 12V+ Wire: Blue/Yellow
Radio Switched 12V+ Wire: Gray
Radio Ground Wire: Brown
Radio Illumination Wire: Green
Left Front Speaker Wire (+): Pink
Left Front Speaker Wire (-): Purple
Right Front Speaker Wire (+): Purple
Right Front Speaker Wire (-): Light Green
Left Rear Speaker Wire (+): Black
Left Rear Speaker Wire (-): Yellow
Right Rear Speaker Wire (+): Red
Right Rear Speaker Wire (-): White

May 25, 2012 | 1991 Toyota Corolla

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How do i take out my radio from my toyota corrola

The Toyota Corolla has been around long enough that many owners find themselves needing to replace the factory stereo. Installing a new stereo in the Toyota Corolla gives improved sound and updated features. Swapping out the stereo in the Toyota Corolla takes basic tools and less than an hour. This article covers models from 1990 to 2000.

Open the hood and remove the negative battery cable from the terminal. Apply the parking brake and place the car in "D."

    > Remove the trim from around the stereo by prying with your fingers at one corner. Some early models have two screws at the top of the trim piece to remove first. Allow the trim to hang on the drivers side of the dash if it's connected to the cigarette lighter.
    > Locate and remove the four screws holding the stereo in place. Pull the radio out of the dash and disconnect the wires from the back of the head unit.
    To install
    > Connect the wiring harness adaptor to the original harness and let it hang from the dash. Slide the new stereo into the Toyota radio mounting kit, which is a thin metal cover and secure it per the manufacturer's instructions. Most adaptors have screws to hold the stereo in place, however some have clips, which engage automatically.
    >Plug the wiring harness adaptor and antenna wire into the back of the new head unit and push the entire assembly into the dash. Reconnect the negative battery cable and turn the radio on.
    > Ensure all of the stereo controls and speakers are working. Secure the radio in the dash with the original four screws and replace the trim.

Dec 05, 2010 | 1990 Toyota Corolla

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2001toyota tacoma radio wont work.Visble fuses ok.

hi friend,

There is many reason, check fuse,check amplifier and check head unit. Otherwise install an aftermarket radio probably the best thing to do. Pretty simple follow this link

thank u for using fixya


Aug 10, 2009 | 2001 Toyota Tacoma

1 Answer

Cd player in toyota paseo

Very simple. DIN size head units fit without any adapters (assuming your car has the DIN size factory radio with pocket underneath {I have '93 Paseo and this was the setup of mine, though shows option of factory stereo with pocket and without [guessing there was a double DIN size option]}). All you need is a wiring harness. I've seen these anywhere from $5 - $20. This will connect to the wires on the harness for your new radio, then instead of cutting any of the factory wiring, you simply plug the factory harness into this new socket.

The trim ring around the radio/climate control/ashtray area is held in with clips. It just pops out (may have to use a thin screw driver to get your fingers under one of the edges to start). Four screws hold the metal frame where the head unit, climate control, and ashtray are. Take those out and pull the metal frame out a bit, then disconnect the wires of the climate control, power lead to lighter, and stereo harness and antenna. Two screws per side hold the stereo in to the metal frame. Take those out, slide out the factory radio and put in your new head unit (You will not use the metal cage or any other mounting brackets the head unit may come with). The holes on the metal frame should line up with mounting holes on the side of your new radio.

Not to endorse one vendor over another, but supplies instruction sheets and any needed install accessories free with purchase of new head unit. Their prices are often slightly higher than you can find elsewhere (comparable to retail stores, usually more than online stores), but you get the wiring harness and instruction sheets for your vehicle. At the very least, you can use their site to see what fits your vehicle (Note: Many other stores do this as well.)

May 31, 2009 | 1993 Toyota Paseo

2 Answers

2006 Toyota Prius Radio Buttons inoperable

ouch thats a pricey one you have to replace the head unit there is no lock out for the buttons so if they dont work its a mechanical failure and its all one seald unit screen and all and it costs just shy of 2500.00 dollars

Mar 21, 2009 | 2001 Toyota Prius

1 Answer

Radio installation

I think it really depends on what one she has. Mine was the full unit with tape and CD. When I got my car the radio didn't work. I later found out that the amp under the passanger seat went bad and took down the whole system. Toyta, for some reason, ran all the key wires under that seat. Thats where the Constant, VCC (Key power), Remote, and ground. Then the amp powers the head unit. The person I bought mine from said that the radio started clicking in the speakers before it quit. If I would have just known to change the amp under the seat, it would have been much quicker. Hope some of this helps.

Mar 10, 2009 | 1992 Toyota Camry V6

2 Answers


yes, but you have to reset the whole radio.
Press the small indent in the head unit to reset like new.

Nov 22, 2008 | 2001 Toyota Prius

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