2006 Tacoma Remote Start issue

I have installed a Clifford Matrix 3.5 w/ a 556u bypass unit on my 2006 Tacoma. The problem I am having is with the remote start. If I try and remote start the way it is, the engine will crank, but will never turn over. If I put the key in the ignition (not turning it), the remote start works perfect. This leads me to believe that my 556u is not hooked up right.
I have +12v going to the red wire, Ground to the black wire, Green wire going to the GREEN/ Black Keysense wire under the steering column. The antenna loop is placed around the ignition key. I have tried chaning the jumber from 60 to 18 with no luck. I tried hooking up the pink wire to ignition power and I made sure that the blue wire is getting a - signal from the remote unit. What else is there?

UH what did you hook the blu/black wire up to, this triggers the bypass on? And don't hook up the pink wire.

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I don't have a blue/black wire.

you dont need to hook up keysense on a Toyota, but you do need to connect the blue status input to the blue status wire from the 3.5......

this will turn the module on when you activate R/S.....

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Kevin Gerry
Certified Electronics Technician
MECP First Class Installer

Owner/Installer
Classic Car Audio
since 1979

Yes, that is done already. The blue - status output wire coming from the remote satellite box is connected to the blue - status input of the 556u.

could be a bum module or a bum power cord.....  i recently had a 556U unit with a bum power cord.... it just didnt work, i tried 3 modules before i replaced the power cord, then it worked fine......

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Kevin Gerry
Certified Electronics Technician
MECP First Class Installer

Owner/Installer
Classic Car Audio
since 1979

The relay inside the 556u is working fine. I tested all the wired inside the unit and everything is working accordingly. Is there a way test if the key is sending a signal through the antenna loop?

How should the antenna loop be mounted around the ignition slot?

Try playing with the position of the loop around the ignition... Sometimes they are very sensitive....

I've been doing that all afternoon and no luck. I'll remote start the truck and as it's trying to crank, I will put the key up to the ignition and the truck will start. That concludes that the 556u is either not sending the signal to the loop or that the signal is too weak for the ignition to see.

I would say something is wrong with the module or the loop wiring. i have had to change that loop before to make them work. You can always go with a programable module like the PKT2 from bypasskits.com. You wont lose a key with that module... just a thought....

Should the two wires that make the loop be connecting or is only the BLACK/ red wire on the loop while the black wire is next to it?

There are 3 wires connecting the loop to the 556u, one is not connected at the loop and that's fine. The loop needs to be close to the factory coil at the switch. Close the loop up a little and place it directly around the outer edge of the switch for it to work well. Do you feel the 556u click when you activate the remote start? The relay inside should click on and you can feel it if you wrap your hand around it. All that is needed are the 3 wires, red, black and blue to make it work correctly. Are you sure the key in the 556U is programmed? pull it out and start the truck with it to be sure. Don't use the green keysense wire, not needed for Toyota.

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Mike M2
Tech Manager
CS Dealer Services

definitely a problem w the 556 for sure, try swapping for a new one

Mike M2 wrote:

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There are 3 wires connecting the loop to the 556u, one is not connected at the loop and that's fine. The loop needs to be close to the factory coil at the switch. Close the loop up a little and place it directly around the outer edge of the switch for it to work well. Do you feel the 556u click when you activate the remote start? The relay inside should click on and you can feel it if you wrap your hand around it. All that is needed are the 3 wires, red, black and blue to make it work correctly. Are you sure the key in the 556U is programmed? pull it out and start the truck with it to be sure. Don't use the green keysense wire, not needed for Toyota.

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I did all that. Relay is clicking and the key is good. I've sent off for new unit and hope it solves my problem.

I got my new 556u in and it works perfect. The problem was with the orginial antenna loop. Under the electric tape, the two wires were spliced together. I looked under the new antenna loop and saw that the two wires are individually apart from each other.