There are numerous switches involved in the power liftgate. Please ask a new question with a more detailed description of the problem.
The door ajar switch is part of the door latch.
Here's a video that I've included below, that shows you how to repair the door lock actuator on the sliding door of a 2001-2007 Chrysler Town and Country.
That usually is an indication of a broken wire in the door harness.
check your vin sticker in door jamb
For any minivan, SUV, and light truck, I'd recommend 34-36 psi. I put 36psi in our town and country.
The vehicle needs to go up in the air (On a hoist). Remove the wheel well and wheel and you will be able to disasemble.
The door ajar sensor, on a 2005 Ford escape, is located inside the door panel behind the door lock. There is a sensor on each door.
The Nissan Serena is a five-door minivan manufactured by Nissan. It first started to be produced in Japan in 1991, and continues to this day with a 2.3 litre diesel engine.
How you will fix the outside door handle on 1996 lumina minivan will depend on the extent of the damage. You will therefore need to access the damage first before commencing the repair. If it is beyond you expertise, you should let an expert do it for you.
The sensor you are looking for is an integral part of the door latch.
The sensor you are looking for is an integral part of the door latch.
There are two screws on the the door panel.