01 xterra doors lock when brakes are applied - 2001 Nissan Xterra

Get a locksmith to make a key for the door. that's the only way to disarm factory alarm is by unlocking the door with a key

Check that your brake lights work as the brake light switch sends a signal to release the shifter lock solenoid .

check battery volts should be 12.5 volts,if yes check see if you have rear brake lights.if no replace brake light fuse.if brake light fuse okay a faulty brake light switch or shift lock solenoid not working,when you apply brake the electrical circuit goes to shift lock solnoid so you can get transmission out of park.shift solenoid located centerconsole located near gear position indicator.

If you mean the 'Smart Entrance Control Unit,' it is located at the parking brake release lever on the driver's side according to autozone.com.

Look at the bottom center box and it has a diagram of it.


FIG : Power door lock components and harness connector locations with keyless entry-2001-2004 CLOSE X

check the fuse in the fuse box

At the top of the brake pedal arm there is a switch. This is the brake light switch. Most of the time they get out of adjustment. So, get on your back and look up, under the dash, above the brake pedal arm and you should see the stop. The stop is actually the switch. When the brake is not applied this is what the brake pedal arm rests against. The pivot point is much higher in the dash. So, follow the pivot point down and you should see the switch. It looks like this.

Most likely you've got a timed lock programed into your menu parameters. You will have to go to your main vehicle instrumental menu and clear that option. This may have been inadvertantly done by one of the other operators of the vehicle.

Appears you have a broken or sticking calliper. It is not releasing when you take your foot off the brake.
Remove the wheel in question, and check the springs. Lubricate with penetrating oil, and retry.

the fuel cap is broke i change that it.

does your vehicle have ABS?