The switch, the solenoid, the wiring problem or the mechanical problem inside the connection of the relevant door can cause an inoperative lock. If all door locks are inoperative, start the diagnosis in the fuse box. Check the fuse that protects the door lock circuit to make sure you don't jump.

If the fuse is turned off, press a button from the window will do nothing. The engine moans and the glass shakes. If the fuse is good and you can feel the engine, or the glass acts as if you want to move, then you have some kind of mechanical problem. Otherwise, check the fuse.

Using a test light check all related fuses like BCM, air conditioning, heating, blow engine and for air conditioning. If the new fuse blows once it has been replaced there is a short in the system. Most of the time this short can be linked to the compressor clutch coil, in which case it should be replaced.

Ice wiper fuse Your ice wiper electric circuit has a fuse that will blow in case of overload, protecting the engine. The ice wiper fuse will cut the power supply, turning off the ice wiper system. Solution Check the location of your fuses in your owner's manual and to identify which fuse protects the ice wiper engine.

Using a test light check all related fuses like BCM, air conditioning, heating, ventilation motor and for air conditioning. If the new fuse blows once it has been replaced, there is a short in the system. Most of the time, this short can be connected to the compressor clutch coil, in which case it must be replaced.