Toyota Corolla (E120): Terminals of ecu

1. Inspect tvip ecu

  1. Inspect the ecu–b, dome and ecu–ig fuses.
  2. disconnect the tvip ecu connector, and the continuity and voltage of check each terminal of the disconnected connector.

Standard:

If the result is not as specified, the vehicle’s side may malfunction.

If the result is not as specified, the vehicle’s side may malfunction.

  1. Reconnect the tvip ecu connector, and the continuity and voltage of check each terminal of the disconnected connector.

Standard:

If the result is not as specified, the tvip ecu may malfunction.

If the result is not as specified, the tvip ecu may malfunction.

2. Inspect integration relay

  1. Disconnect the connector and check the continuity of each terminal of the disconnected connector.

If the result is not as specified, the vehicle’s side may malfunction.

If the result is not as specified, the vehicle’s side may malfunction.

3. Inspect instrument panel j/b (integration relay)

  1. Inspect the door fuse.
  2. disconnect the id connector of the instrument panel j/b, and check the continuity of each terminal of the disconnected connectors.

Standard:

If the result is not as specified, the vehicle’s side may malfunction.

If the result is not as specified, the vehicle’s side may malfunction.

    Share this page:

    Other materials:

    Precaution
    Caution: the corolla is equipped with srs, which comprises a driver airbag, front passenger airbag and side airbag. Failure to carry out service operations in the correct sequence could cause the srs to unexpectedly deploy during servicing, possibly leading to a serious accident. Fu ...

    Exterior
    Doors Locking/unlocking Opening/closing the side windows Locking/unlocking by using the mechanical key*1 Warning messages Trunk Opening from inside Opening from outside Warning messages Outside rear view mirrors Adjusting the mirror angle Folding the mirrors Defogging the mirrors*2 ...

    If your vehicle overheats
    The following may indicate that your vehicle is overheating. The engine coolant temperature gauge is in the red zone or a loss of engine power is experienced. (For example, the vehicle speed does not increase.) "Engine Coolant Temp High Stop in a Safe Place See Owner's Manual" is shown on ...