Toyota Corolla (E170): Rear door child-protector lock

The door cannot be opened from inside the vehicle when the lock is set.

1 Unlock
2 Lock

These locks can be set to prevent children from opening the rear doors. Push down on each rear door switch to lock both rear doors.

Automatic door locking and unlocking systems

    Share this page:

    Other materials:

    Basic inspection
    When the malfunction is not confirmed in the dtc check, troubleshooting should be carried out in all the possible circuits considered as causes of the problem. In many cases, by carrying out the basic engine check shown in the following flowchart, the location causing the problem can be found ...

    Circuit description
    A thermistor is built in the engine coolant temperature sensor and changes the resistance value according to the engine coolant temperature. The structure of the sensor and connection to the ecm is the same as those of the intake air temperature sensor. Hint: if the ecm detects the dtc ...

    Problem symptoms table
    Proceed to the reference page shown in the table below for each malfunction symptom and troubleshoot each circuit. Hint: troubleshooting of the tvip system is based on the premise that the door lock control system and wireless door lock control system is operating normally. Accordingly, be ...