The back door can be locked/unlocked and opened/closed by the following procedures.
Automatic door locking and unlocking systems
Locking and unlocking the back doorSymptom confirmation and diagnostic trouble code
HINT:
The diagnostic system in the HIGHLANDER has various functions.
The first function is the Diagnostic Trouble Code (DTC) check. A DTC
is a code stored in the ECU
memory whenever a malfunction in the signal circuits to the ECU occurs. In a
DTC check, a previous
malfunction's DTC ca ...