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.

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