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

Inspection procedure

Ok: doors can lock / unlock


Ok: when the door lock is operating, the intelligent tester should display as shown in the table.


Ok 
Standard resistance 


Standard resistance 

Replace instrument panel junction block (main body ecu)
All doors cannot be locked / unlocked simultaneously
Only passenger door lock / unlock functions do not operateAutomatic
air conditioning system
Air outlets and fan speed are automatically adjusted according
to the temperature setting.
Driver’s side temperature control
dial
Automatic mode button
Micro dust and pollen filter
mode button
Driver’s side temperature setting
display
Fan speed display
Air outlet display ...
Blower unit
Components
Removal
Disconnect cable from negative battery
terminal
Caution:
Wait at least 90 seconds after disconnecting the
cable from the negative (-) battery terminal to
prevent airbag and seat belt pretensioner activation.
Remove upper instrument panel
Remove the upper ...
Problem 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 ...