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:

    How to proceed with troubleshooting
    1 Vehicle brought in 2 Customer problem analysis check and symptom check 3 Problem symptoms table Without applicable symptoms, proceed to ”a”  with applicable symptoms, proceed to ”b” 4 Perform troubleshooting in the following method, depending on malfunction symptom ...

    Positioning a floor jack
    When using a floor jack, follow the instructions in the manual provided with the jack and perform the operation safely. When raising your vehicle with a floor jack, position the jack correctly. Improper placement may damage your vehicle or cause injury. ◆ Front ◆ Rear 1 Take out ...

    Description
    When troubleshooting obd ii vehicles, the only difference from the usual troubleshooting procedure is that you need to connect the vehicle to the obd ii scan tool complying with sae j1978 or the hand–held tester, and read various data output from the vehicle’s ecm. Obd ii regulation ...