Once the door panel is off you will notice an electrical wire connecting the power door locks to the inside of the door.
Highlander alarm locks the doors.
If they will lock and unlock as the power and ground is supplied then the circuit is good and the main body ecu would be at fault.
To prevent unintended triggering of the alarm unlock the doors using the wireless remote control and open and close a door once after the settings have been changed.
Setting the alarm system.
When the transmission is pushed back into park the doors will unlock in the same fashion.
Do one of the following to deactivate or stop the alarms.
Deactivating or stopping the alarm.
Press the lock button to lock all the doors.
Touch the lock sensor indentation on the upper part of the door handle to lock all the doors.
Alarm goes off when car is locked with remote alarm didn t go off at all while at the beach locked on door handle not using the key sounds again randomly in our garage.
Press the unlock button to unlock all the doors.
Check the power and grounds to it.
Vehicles without a smart key system.
The doors cannot be unlocked for 3 seconds after the doors are locked.
For vehicles with an alarm.
You will hear plastic clips clicking as they release.
Jump power and ground to the terminals and see if the door locks operate.
The system will be set automatically after 30 seconds.
Next you will should see a plastic shroud protecting the inside parts from the weather.
Carefully undo this connection.
The indicator light changes from being on to flashing when the system is set.
Went off 3 times last night and then again this morning at 10 30 if i press the red button to stop the alarm it stops then goes off again start car turn off leave unlocked.
Close the doors glass hatch if equipped and hood and lock all the doors.
If a door is not opened within 60 seconds after is pressed the doors will be locked again and the alarm will automatically be set.