Toyota Corolla (E120): Circuit description

The integration relay receives a switch signal from the master switch, door lock control switch or the driver’s door key and then drives the door lock motor.

Wiring diagram

Inspection procedure

    Share this page:

    Other materials:

    Inspection procedure
    1 Check tvip ecu Check that the operation of the tvip function is normal. Hint: with this inspection, the tvip ecu cpu can be diagnosed if it works normally or not. 2 Check wire harness (tvip ecu integration relay) Disconnect the tvip ecu and integration relay connectors. ch ...

    Turn signal lever
    Operating instructions 1 Right turn 2 Lane change to the right (move the lever partway and release it) The right hand signals will flash 3 times. 3 Lane change to the left (move the lever partway and release it) The left hand signals will flash 3 times. 4 Left turn ■Turn signals can b ...

    No sound is heard from speaker in all modes
    Wiring diagram Inspection procedure 1 Check lcd (liquid crystal display) for lighting Lcd illumination check  turn the ignition switch acc.  Turn the radio receiver assembly on. Standard: lcd illumination of the radio receiver assembly light. 2 Control fader and ...