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Discussion Starter #1
Purchased a new to me Tacoma recently that has the RS3000 system in it but had no key fob. I ordered one from amazon and had it programmed in 20 seconds. One small glitch though, it turns the alarm on and off and will unlock the doors, but arming doesn't lock the doors. Is there some setting that is off? the door lock button inside the armrest does work though with no issues. Thoughts?
 

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Mambeau / Admin
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Do you happen to know whether the RS3000 was dealer-installed originally versus being added later?
 

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Discussion Starter #3
I don't know 100%, I do know it has been installed since at least 2005, there is a service record of the ECU being replaced for the security system back then I found on the Toyota site with the Vin.
 

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Mambeau / Admin
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There have been different versions of the RS3000. By 2000 they were on V3 (Version 3), and older ones weren't maintained in inventory.

If you alarm's ECU "brain" was swapped out circa 2005 there's a good chance it's a later version.

If you can locate the ECU, get the part number and version number (if it's shown anywhere on the ECU). If it's a V3 or later I might have the documentation for it. I don't have any documentation for anything earlier than V3.
 

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Mambeau / Admin
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There's a chance it can't work for the door lock function, but I don't know for sure. Here's why ...

Effective with the late 2000 or start of the 2001 model year, the "brain" controlling your interior / accessory stuff (such as door locks) changed from an "Integration Relay" to a "Body ECU." I've never been able to figure out what differences there are between these 2 distinct devices.

As far as I can tell, your RS3000 ECU (08190-00921) may be a pre-2000 model (i.e., pre-V3). It was the V3 TVIP unit that was designed to work with the Body ECU setup from 2001 onward.

... But like I said - I simply don't know for sure what the differences are and / or whether it makes any difference in getting the power locks to work on a pre-2000 Taco. :shrug:
 

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Discussion Starter #7
In the service history from the Vin,there was also a ticket for a short in the security system, I'm wondering if that short has appeared again and that's what's causing the issue?
 

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Mambeau / Admin
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In the service history from the Vin,there was also a ticket for a short in the security system, I'm wondering if that short has appeared again and that's what's causing the issue?
I have no idea ... :shrug:

The possible use of a pre-2000 TVIP unit with a 2001 Taco would suggest there's been a custom installation. There's no way to tell what you've got and how it's wired in without having a specialist check it out.

I'm not sure it's worth it ... It may be cheaper and better (for the long run) to simply install a new aftermarket alarm system.
 

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Discussion Starter #9 (Edited)
I have no idea ... :shrug:

The possible use of a pre-2000 TVIP unit with a 2001 Taco would suggest there's been a custom installation. There's no way to tell what you've got and how it's wired in without having a specialist check it out.

I'm not sure it's worth it ... It may be cheaper and better (for the long run) to simply install a new aftermarket alarm system.
Hey Enola, my tacoma is actually a 1995.5. Not sure if i listed that wrong, i do have an 01 4x4 but that's another vehicle not related to this. (just noticed my profile showed the 4x4. updated it)

I've attached screen grabs of the service history i found on the Tacoma website for reference
 

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Mambeau / Admin
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In case it helps with troubleshooting ...

Here (attached) is the 1995.5 door lock control wiring diagram.
 

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Discussion Starter #11
Thanks for that Enola, i'll try and trace where the rs3000 meets the unlock switches and see if something is wrong there.
 

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The RS system was pretty solid, and problems with individual components was rare. There wasn't any difference between factory installed or dealer. The kit essentially plugged into the existing loom with pre-wired connectors. No cutting or splicing.
I wouldn't put too much into the warranty invoice showing a short at the ecu. Toyota ecu's were darn near bullet proof, and the RS ecu was no different. Some customers were not happy with the short range you could use the fob at, you had to be pretty close to the vehicle for the ecu to read it. A dealer may have tried a new ecu to keep a customer happy, and used "short" to get the claim through.Toyota would have rejected the claim otherwise, and no dealer wants to eat a $300.00 claim for no reason.
I never saw a Toyota Security System where it only locked or unlocked the doors. If it had power door locks it would do both.
One possibility we saw A LOT back in the 90's was some dealers adding cheap $25.00 alarms on every new vehicle they put on the frontline, and then would charge the buyer $200.00 to activate. Some dealers put them on everything, even vehicles with factory alarms. and those alarms required cutting and splicing. Failed constantly, too. Pure junk. Look at the left kick panel or under the steering column for those wretched blue quick splices.
But before any hardcore diagnosis starts I'd recommend googling for the RS3000 installation and operation pamphlet(maybe 30 pages?). The RS had some limited customization available, especially in time delays on locking, etc. You might cycle the system(and the fob) through some of these procedures to make sure the ecu and fob are completely on the same page. Toyota had a lot of different fobs back then, to the point where they sent parts and service personnel a quick reference sheet showing the different fobs and the years and vehicles they went with. and more than a few looked awful similar, but were not interchangeable.
 

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Discussion Starter #13
Thanks Jimkola, far as splices, i didn't notice anything before. It does have the stock security dash light along with what looks like stock window break sensor.

I actually have the instruction manual and read through it but hadn't really though about the timed lock like that before. I assumed it auto locked the car after X seconds of taking key out and closing door, maybe it's set to auto lock X seconds after the key fob is pressed? I'll go in and disable that feature and see if it changes anything. Thanks
 

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Discussion Starter #14
ok so nevermind on the auto locking. I was thinking of the Passive Arming feature, but as i found in the manual it doesn't lock the doors, it's just for the alarm. It has to be something with the wiring then since it arms/disarms and unlocks but won't trigger a lock. So either wiring from the alarm ECU to the door switch or the lock mechanism? I'm not sure how it's wired/should be.

IMPORTANT INFORMATION: The vehicle's doors are not locked automatically by the RS3000 during the PASSIVE ARMING process; please remember to lock your vehicle's doors by key, or manually, when you do not use the REMOTE CONTROL.
 

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Cool. The RS was a very decent system, and not easy to bypass. My techs could get around the aftermarket systems pretty quickly (any time we got a trade-in we pulled the aftermarket systems out so they didn't cause the new owner problems) but the factory system wasn't easy if activated. So it's well worth having the RS3000 up and working.
A lot of the aftermarket systems back then were really touchy, just bumping the vehicle(or even a strong gust of wind) would set them off. Not the RS. You could even rock it pretty good and it wouldn't go off.
But the glass breakage sensor worked awesome. It could read the sound pitch of breaking glass and shutdown the entire vehicle. The tech would sometimes test them by rapping on the glass with their ring finger. If they did it just right the system would activate.
If the system is armed you can't reach in a open window and unlock the door. you have to use the fob or a key. Otherwise it deems it a improper entry and activates.
 

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Purchased a new to me Tacoma recently that has the RS3000 system in it but had no key fob. I ordered one from amazon and had it programmed in 20 seconds. One small glitch though, it turns the alarm on and off and will unlock the doors, but arming doesn't lock the doors. Is there some setting that is off? the door lock button inside the armrest does work though with no issues. Thoughts?

Maybe this TSB might help?


https://97supraturbo.com/wp-content/uploads/2018/05/RS3000-Door-lock-reprogram.pdf


Not sure if that has anything to do with what you are asking
 

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