So either I need to investigate more about this so called "detection" wire or the module is not supplying enough power to the motors to open the lock.Īny help appreciated, Have a rippa night. I press the remote to unlock the door and I hear the faintest of effort from the door motor, The doors don't unlock. I tried ignoring the "detection" side of things and simply wiring up the lock and unlock wires to the keyless entry module. Again I could not decipher a "detection" wire and wonder what these wires are for. It is common for the "detection wire" to be on the passenger side, but I couldn't decipher it.ĭrivers side - besides the lock and unlock wires mentioned above, I found three other thinner wires on the top smaller harness showing 9.7V and going to 0V when either the lock or unlock is pressed. I could not find any other voltage signal changes on the other wires on passenger side when doors locked/unlocked. These same wires are also on drivers side. This would suggest positive triggering, right? But everywhere on net says toyota is negative triggered for door locks. Passenger side behind kick panel.- I have found a wire that shows 0V and jumps to 12V when the lock button is pressed on drivers door.Īnd also another wire showing same readings for the unlock button. It should have been a simple matter to find "open", "lock" and "detection" wires in passenger side I've browsed the net for help on wiring but my findings in the car are not matching with what I'd expect to see. Or something else entirely.Hoping someone may have some tips for me to get wiring right for keyless entry installed into Toyota VIOS 2003. So definitely not a key detecting issue.Įither I have a bad rear door sensor or it is designed to not check for the key in the car before locking the doors automatically if it doesn't suspect an open door. Also, if you try to manually lock the car with the key fob on the back seat by pushing the handle button it beeps at you to tell you the key is in the car. It would be great if anyone could confirm this behavior on another 2008+ Highlander.īy the way, if you open the drivers door in step 3 the car doesn't lock itself. 60 second conversation and your keys are locked in your car! My question is - Is this normal behavior or has the sensor that recognizes the back door has been opened is not working? While you would think this wouldn't be that common, think about having a backpack or pocketbook with the key fob in it and you place it on the back seat then close the door and a friend asks you a question. The system is activated by a button on the key fob, which transmits a signal to the vehicle that unlocks the doors and starts the engine. I am now lock out of my car (if I didn't remove the valet key) The Toyota Tacoma Smart Key is a keyless entry and start system that uses an electronic transponder to unlock the doors and start the engine. Open rear drivers side door and throw the key fob on the backseat (highly recommend removing the valet key from fob before tossing it on back seat) **Why you ask would anyone do this? Picture the key fob in a soccer backpack that you normally place onto the back seat to head home.**Ĭlose said back door and patiently wait for the car to lock itself. Unlock the doors by placing hand behind the drivers side handle WITHOUT opening the drivers side door (mine is set to unlock all doors) Lock the doors using the door button as normal. Here is the reproducible sequence that I have figure out successfully locks the keys in the car every time. Today, my daughter does the same thing after her soccer game, so I knew it wasn't a dead fob battery. We changed the battery and thought we were all set. When my son did it over this summer, I assumed it was a dying battery on the key fob and therefore not detecting the keys were in the car. So each of my two kids have locked the keys in our 2008 highlander ltd.
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