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:

    Overhaul
    1. Remove oil filler cap sub–assy Remove the oil filler cap from the cylinder head cover. 2. Remove oil filler cap gasket Using a screwdriver, remove the gasket from the oil filler cap. 3. Remove ventilation valve sub–assy Remove the ventilation valve from the cyl ...

    Screen for general settings
    1 Press the “SETUP” button. 2 Select “General” on the “Setup” screen. 1 “English”, “Français” or “Español” can be selected. 2 On/off can be selected to sound beeps. 3 Select to change the screen color. 4 Select to change the keyboard layout. 5 The animatio ...

    For vehicles equipped with mobile communication system
    Install an antenna as far as possible away from the ecu and sensors of the vehicle’s electronic systems.  install an antenna feeder at least 20 cm (7.87 In.) Away from the ecu and sensors of the vehicle’s electronic systems. For details of the ecu and sensors locations, refer ...