Toyota Corolla (E120): Circuit description

The door control receiver receives a signal from the transmitter and sends this signal to the integration relay.

Then, the integration relay controls door operation by sending a door lock/unlock signal to each door lock motor.

Wiring diagram

Inspection procedure

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    Inspection procedure
    Hint: if different dtcs related to different systems that have terminal e2 as the ground terminal are output simultaneously, terminal e2 may be open. Read freeze frame data using the hand-held tester or the obd ii scan tool. Freeze frame data records the engine conditions when a malf ...

    Definition of terms
    Term Definition Monitor description Description of what the ecm monitors and how it detects malfunction (monitoring purpose and its details). Related dtcs Diagnostic code Typical enabling condition Preconditions that allow the ecm to detect m ...

    Unlocking and locking the doors from the outside
    ◆ Smart key system (if equipped) Carry the electronic key to enable this function. 1 Grip the driver’s door handle to unlock the door. Grip the passenger’s door handle to unlock all the doors.* Make sure to touch the sensor on the back of the handle. The doors cannot be unlocked for ...