Keysense problem on a 2006 Corolla
Printed From: the12volt.com
Forum Name: Car Security and Convenience
Forum Discription: Car Alarms, Keyless Entries, Remote Starters, Immobilizer Bypasses, Sensors, Door Locks, Window Modules, Heated Mirrors, Heated Seats, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=84313
Printed Date: May 04, 2024 at 11:06 AM
Topic: Keysense problem on a 2006 Corolla
Posted By: shott8283
Subject: Keysense problem on a 2006 Corolla
Date Posted: October 18, 2006 at 7:48 PM
hey guys.. got a problem.. i searched and really didnt find exactly what i was looking for. im installing a ultra start tl series RS in an 06 corolla... ive got everything wifed in but for some reason the keysense is giving me a headache. the two wires going to the plug for the keysense.. blue/black and WHITE/ black,,if i remember correctly.. the blue/black and the WHITE/ black have continuity when the key is out and when the key is inserted they break continuity and the WHITE/ black grounds...i try and start the car with the RS and is just cranks and cranks til it times out then i get an error flash of the p-lights that no tach signal was found (obvioulsy since the motor didnt fire) but if i stick the key in and try it again it works.. i tried sending voltage to the blue/black but it seams to already have 10-12VDC at all times anyway... im confused.. do i need to by pass one of the wires and run a relay activated off of one of my ignition out wires off the RS box? any helpwould be great!! i read in one post that i can run 2 diodes.. but im not sure where and why.. if anyone has any input i would be greatfull! thanks!
Replies:
Posted By: snotdobbs
Date Posted: October 18, 2006 at 10:21 PM
maybe its got a transponder.........there is a good chance with an 06 that it does have it.........did you power up the second starter wire?
Posted By: snotdobbs
Date Posted: October 18, 2006 at 10:25 PM
oh yeah you dont need to f with the keysense thats bogus..... if you need to disarm the alarm for unlock just double pulse the unlock wire.......the keysense that directed tells you tag is bogus.....ive had cars come back with check engine codes cuz you tag the keysense wire.............it f's with the transmission lock....you dont need it if its cranking and not starting then the problem is def with the second start or transponder
Posted By: cntrylvr79
Date Posted: October 18, 2006 at 11:26 PM
there is no second starter in the corolla, that's the camry that has that. Based on what you're saying is going on, I would definately check the bypass module. It may not be working properly which would cause the situation you're dealing with.
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Cause I'm So white and nerdy...
First Class Certi-fried installer
Posted By: shott8283
Date Posted: October 19, 2006 at 3:49 AM
thats prolly wat my problem is.. i dont have a bypass modual.. any input on where/what etc etc
Posted By: Mike M2
Date Posted: October 19, 2006 at 6:34 AM
""i tried sending voltage to the blue/black but it seams to already have 10-12VDC at all times anyway.."" The keysense is a ground, not 12volts. It will show 12volts at rest tho. No second starter either. None the less, you don't need keysense on a Corolla as they have no factory alarm just immobilizer. The flashing light on the dash that says security is for the immobilizer, not alarm. You MUST use a bypass, ALL 06 Corolla's need one.... ------------- Mike M2
Tech Manager
CS Dealer Services
Posted By: cntrylvr79
Date Posted: October 19, 2006 at 8:54 AM
shott8283 wrote:
thats prolly wat my problem is.. i dont have a bypass modual.. any input on where/what etc etc
https://www.caraudio-caralarms.com/556U.html Here's the one I normally use. There are other modules availible that will work with the car. ------------- Cause I'm So white and nerdy...
First Class Certi-fried installer
Posted By: Chris Luongo
Date Posted: October 19, 2006 at 4:50 PM
Keysense is only necessary on Toyotas with factory alarm systems. The Corolla doesn't have a factory alarm.
The DEI 556U is okay, and other choices include the Audiovox AS-TCBM, or the Trilogix TBK-III. All of these require that you permanently sacrifice one of your spare keys----it gets planted inside the box.
If you don't want to give up any keys, you can see what's available at bypasskit.com, but obviously it costs more to do it that way.
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