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:

    Inspection
    1. Headlamp dimmer switch assy Inspect light control switch continuity.  Measure the resistance according to the value(s) in the table below. Standard: Inspect headlight dimmer switch continuity.  Measure the resistance according to the value(s) in the tabl ...

    Initialization
    Select “Initialize” using . ● Initializing the sound settings Select “Sound setting” using and press (YES). For details about sound settings: ● Initializing the device information Select “Car Device Info” using and press (YES). Automatic connection of a portable ...

    Precaution
    1. Notices when checking  power door lock/unlock function: the wireless remote control function operates only when the following 3 conditions are met.  No key is inserted into the ignition key cylinder.  All the doors are closed. However, doors can be unlocked even wh ...