Description
The main body ecu receives lock / unlock switch signals and activates the door lock motor accordingly.
Wiring diagram

Inspection procedure

Ok 


Standard resistance 

Replace instrument panel junction block (main body ecu)
Only rear door lh lock / unlock functions do not operate
Only back door lock / unlock functions do not operateProblem symptoms table
Hint:
Use the table below to help determine the cause of the
problem symptom. The potential causes of the symptoms
are listed in order of probability in the "suspected area"
column of the table. Check each symptom by checking the
suspected areas in the order they are listed. Re ...
Disassembly
Caution:
Wear protective gloves. Sharp areas on the seat frame
(with adjuster) may injure your hands.
Remove reclining power seat switch knob
Using a screwdriver, detach the knob.
Hint:
Tape the screwdriver tip before use.
Remove slide and vertical power seat switch knob
...
Precaution
Precaution for vehicle with srs airbag and
seat belt pretensioner
Some operations in this section may affect the srs
airbags and seat belt pretensioner. Prior to
performing the corresponding operations, read the
srs airbag notice (see page rs-1).
Components
...