Toyota Corolla (E120): Circuit description

When the tvip system operates, the tvip ecu controls the starter cut relay so that the relay should not be turned on and consequently the starter can not crank the engine.

Wiring diagram

Inspection procedure

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    Precaution
    1. Precaution of headlight bulb replacement  if even a thin film of oil is left on the surface of the halogen lamp, its service life will be shortened because the lamp will be burn at a higher temperature.  handle any halogen lamp with great care. Dropping, hitting or damagin ...

    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 ...

    Inspection procedure
    Hand–held tester: 1 Perform active test by hand–held tester(operation of circuit opening relay) Connect the hand–held tester to the dlc3.  turn the ignition switch on and push the hand–held tester main switch on.  select the item ”diagnosis / enhanced obd ii / active ...