These instructions are from the service manual. Follow them at your own risk. I am not responsible if you break anything.
With that said:
For the door ajar switch in the rear door, follow these instructions:
1. Remove the door latch. (see below)
2. Remove the door ajar switch.
-Release the door lock actuator locking tab.
-Remove the door lock actuator.
-Release the locking tab and remove the door ajar switch.
3. To install, reverse the removal procedure.
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These are the instructions on removing the rear door latch.
NOTE: The rear door window glass must be completely raised.
1. Remove rear door trim panel.
2. Position the watershield aside.
3. Remove the childproof door lock cover.
4. Disconnect the exterior door handle actuating rod.
-Open the clip.
5. Remove the bolts and position the rear door latch aside.
-Discard the bolts.
6. Disconnect the electrical connectors.
7. Release the interior door cable and remove the rear door latch.
-Position the cable cover aside.
-Release the conduit and the interior door cable.
8. To install, reverse the removal procedure.
-Transfer parts as necessary.
-If necessary, use multi-purpose grease to lubricate the latch.