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

Inspection procedure

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)
Only driver door lock / unlock functions do not operate
Only rear door lh lock / unlock functions do not operateDiagnosis system
Check dlc3
The ecm uses iso 15765-4 for communication. The
terminal arrangement of the dlc3 complies with sae
j1962 and matches the iso 15765-4 format.
If the result is not as specified, the dlc3 may have a
malfunction. Repair or replace the harness and
connector.
Hint:
Conn ...
Tire rotation
Rotate the tires in the order
shown.
To equalize tire wear and extend
tire life, Toyota recommends that
tire rotation is carried out at the
same interval as tire inspection.
Do not fail to initialize the tire pressure
warning system after tire rotation.
(if equipped)
Front
â– When rotating th ...
Parts location
System diagram
...