Toyota Corolla (E120): Inspection procedure

1 Check tvip ecu

  1. 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)

2 Check wire harness (tvip ecu integration relay)

  1. Disconnect the tvip ecu and integration relay connectors.
  2. check the continuity between the terminal of the tvip ecu connector and integration relay connectors, as shown in the illustration and table.

Standard:

Check and replace tvip ecu

Check and replace tvip ecu

    Share this page:

    Other materials:

    How to proceed with troubleshooting
    The hand–held tester can be used at step 4, 6, 8 and 9. 1 Vehicle brought to workshop 2 Customer problem analysis 3 Warning light check 4 The dtcs check (present and past dtcs) 5 The dtcs chart 6 Circuit inspection 7 Repair 8 Clear the dtcs (present and past dtcs) 9 The dt ...

    On–vehicle inspection
    1. Washer motor Operation check pour the water into the washer jar with the washer motor and the pump installed to the washer jar assy.  Connect the battery (+) to terminal 2 of the washer motor and the pump, the battery (–) to terminal 1 of the washer motor and the pump ...

    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 ...