Toyota Tacoma manuals

Toyota Corolla Repair Manual: 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 vehicles side may malfunction.

If the result is not as specified, the vehicles 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 vehicles side may malfunction.

If the result is not as specified, the vehicles 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.

How to proceed with troubleshooting
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All door lock and unlock do not operate by the master switch or the drivers door key
...

Other materials:

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