How are you trying to open the door , button on key fob ? With this system you can pull up on the drivers handle an it activates
Antennas in the external side door handles (C30/C70 front doors, S40/V50 rear doors)
If a door handle is pulled outward, a switch closes that wakes up the system and activates the antennas in the handles on the side where the handle has been pulled out. If a valid key is within a radius of approx. 1.5 metres from the handle, the relevant door will open and the vehicle will unlock one or several doors. Which doors are unlocked depends on the settings for the system. The vehicle can also be unlocked if the handle is affected on the tailgate.
Programming key Vehicles with keyless entry Order and download the software.
This TJ only concerns vehicles with the keyless or passive entry systems.
If the remote control to a vehicle with keyless system is kept together with a mobile phone in a pocket or a purse, the mobile
phone may block the passive lock or passive unlock signal to the vehicle. This will only occur if the customer is trying to use
he passive lock or unlock features, I.E. opening the driver door by pulling the door handle or by pushing the lock button on
the exterior door handle. It does not affect the active remote operations (buttons on the key integrated remote)
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Try re-programming the key fob using these instructions:
-Close all the vehicle doors.
-Insert the ignition key into the ignition lock cylinder.
-Press and hold the door unlock switch.
-While holding the door lock switch in the unlock position, cycle the ignition ON, OFF, ON, OFF.
-Release the door unlock switch. The doors will lock and unlock to confirm the program mode.
-Press and hold the LOCK button and the UNLOCK button simultaneously on the transmitter. After a delay of approximately 15 seconds, the doors will lock and unlock to confirm the programming of the transmitter.
-Turn the ignition switch to the RUN position in order to exit the keyless entry transmitter mode.
-Operate the transmitter functions in order to verify correct system operation.
Good luck!
SOURCE: Keyless Entry Key Doesn't Work
Regarding the remote transmitter issue: Take the remote transmitter to your Toyota dealer. Ask them to test your transmitter with their hand-held RF detector. All Toyota dealers are required to have one of these devices. The RF detector will test the remote to see if it is indeed transmitting the proper RF out of the transmitter, and the strength of the RF signal. If there is no signal, the remote has failed (unfortunatly common), and the remote will need to be replaced and reprogrammed to the vehicle. I do this quite regularly, and rarely do I tell customers taht they need to spend 800 dollars for such a simple diagnosis/fix. The keyless system is very reliable. I rarely change the ECU for the keyless, unless somebody somehow gets the ECU wet, then it def needs replaced. Hope this helps.
SOURCE: Keyless entry not working
the keyless entry system is tied into the computer system and needs to reprogramed by the dealership
SOURCE: How do i program remote keyless entry?
You don't normally program a keyless entry, that's done for you by the technicians that install that. If the replaced battery doesn't solve the problem, take the battery and the remote to the techies that installed it.
SOURCE: remote keyless entry not working
KEY FOBS FOR THIS MODEL MUST BE PROGRAMED USING A TECH 2 SCAN TOOL SO IT MUST BE DONE AT THE DEALERSHIP FOR ABOUT HALF HOUR LABOR HOPE THIS HELPS
SOURCE: 2008 chevy malibu. how to program keyless entry remote
You must take it to the Chevy dealer.
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