2010 Mazda 3 Door Ajar Sensor Location

The door ajar sensor on a 2010 Mazda 3 is located on the inside of each door, near the latch. It is a small, cylindrical sensor with a wire that connects it to the body control module.

Here are the steps on how to locate the door ajar sensor on a 2010 Mazda 3:

  1. Open the door you want to check.
  2. Look for a small, cylindrical sensor near the latch. The sensor is usually located on the top or bottom of the latch.

If you are still having trouble locating the door ajar sensor, you can consult your car’s repair manual.

Mazda 3 radio, interior light, door open indicator, not working

Here are some additional tips for checking the door ajar sensor on a 2010 Mazda 3:

  • Make sure the door is closed all the way.
  • Use a multimeter to check the resistance of the sensor. The resistance should be between 500 and 1000 ohms.

If the resistance is outside of this range, the sensor may be bad and need to be replaced.

If you are not comfortable checking the door ajar sensor yourself, you can take your car to a mechanic.

Here are some of the symptoms of a bad door ajar sensor:

  • The door ajar light stays on when all doors are closed.
  • The alarm system goes off when a door is opened.
  • The car does not lock or unlock when the remote is used.

If you are experiencing any of these symptoms, it is important to have the door ajar sensor checked by a mechanic.

The door ajar sensor is a critical component of the security system. It helps to ensure that the car is locked when it is left unattended. If the door ajar sensor is not working properly, it can make the car more vulnerable to theft.

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