Toyota Corolla (E120): Circuit description

The door key lock and unlock switch is built in the door lock motor.

Wiring diagram

Inspection procedure

Inspection procedure

1 Check door lock

2 Check wire harness (tvip ecu  door lock)

2 Check wire harness (tvip ecu  door lock)

  1. Disconnect the tvip ecu and door lock connectors.
  2.  check the continuity between the terminals of the tvip ecu and door lock connectors, as shown in the illustration and table.

Standard:

3 Check wire harness (door lock  body ground)

3 Check wire harness (door lock  body ground)

  1. Disconnect the door lock connector.
  2.  check the continuity between the terminal of the door lock connector and the body ground, as shown in the illustration and table.

Standard:

Proceed to next circuit inspection shown on problem symptoms table

Proceed to next circuit inspection shown on problem symptoms table

    Share this page:

    Other materials:

    Rear seats
    The seatbacks of the rear seats can be folded down. The seatbacks of the rear seats can be folded down. 1 Stow the rear outside seat belt buckles and stow the rear center seat belt buckle as shown. 2 Pull the seatback lock release knob and fold the seatback down. CAUTION ■When foldi ...

    Audio unit
    1 Bluetooth® connection status If “BT” is not displayed, the Bluetooth® audio/phone cannot be used. 2 Display A message, name, number, etc. is displayed. Lower-case characters and special characters cannot be displayed. 3 Displays the set up menu 4 Selects items such as menu and number ...

    Body panel sealing areas
    Be sure to apply body sealer to the body panel joints and door edges (tip of outer panel folded part), etc., To waterproof and rustproof them. Hint:  apply degreasing agent to a clean cloth and clean the sealer application areas. After removing the applied spot sealer from the se ...