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:

    Replacement
    Hint: components:  1. Remove front wheel 2. Remove front axle hub lh nut  sst 09930–00010 3. Separate front stabilizer link assy lh 4. Separate speed sensor front lh (w/ abs) 5. Separate front disc brake caliper assy lh Remove the 2 bolts, separate the brake caliper assy ...

    Inspection procedure
    1 Check p squib circuit(airbag sensor assy center – instrument panel passenger airbag assy) Disconnect the negative (–) terminal cable from the battery, and wait at least for 90 seconds.  disconnect the connectors between the airbag sensor assy center and the instrument panel ...

    Precaution
    1. Handling precautions on srs airbag system The vehicle is equipped with srs (supplemental restraint system) such as the driver airbag and front passenger airbag. Failure to carry out service operation in correct sequence could cause the srs to unexpectedly deploy during servicing, po ...