Toyota Corolla (E120): Terminals of ecu

1. Inspect integration relay

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

Standard:

If the result is not as specified, the integration relay may malfunction.

If the result is not as specified, the integration relay may malfunction.

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

  1. Inspect the door fuse.
  2.  disconnect connectors id, if, ih and ij of the instrument panel j/b.
  3.  check 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.

  1.  reconnect the connectors and check each terminal.

Standard:

If the result is not as specified, the instrument panel j/b (integration

If the result is not as specified, the instrument panel j/b (integration relay) assembly may malfunction.

    Share this page:

    Other materials:

    Fuel information
    You must only use unleaded gasoline in your vehicle. Select octane rating 87 (Research Octane Number 91) or higher. Use of unleaded gasoline with an octane rating lower than 87 may result in engine knocking. Persistent knocking can lead to engine damage. At minimum, the gasoline you use should ...

    Emission inspection and maintenance (I/M) programs
    Some states have vehicle emission inspection programs which include OBD (On Board Diagnostics) checks. The OBD system monitors the operation of the emission control system. If the malfunction indicator lamp comes on The OBD system determines that a problem exists somewhere in the emission cont ...

    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 ...