Toyota Corolla (E120): Inspection procedure

1 Check ignition or starter switch assy

  1. Check the ignition switch, as shown in the illustration and table.

Standard:

2 Check fuse (ecu–b)

2 Check fuse (ecu–b)

  1. Remove the fuse from the instrument panel j/b.
  2.  check the continuity of the fuse.

Standard: continuity

3 Check relay (marking: ig1)

3 Check relay (marking: ig1)

  1. Remove the relay from the instrument j/b.
  2.  inspect the relay continuity, as shown in the illustration and table.

Standard:

4 Check tvip ecu

4 Check tvip ecu

  1. Disconnect the tvip ecu connector.
  2.  turn the ignition switch on.
  3.  measure the voltage between the terminal of the ecu connector and the body ground, as shown in the illustration and table.

Standard:

Check and replace tvip ecu

Check and replace tvip ecu

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    Foreword
    This repair manual has been prepared to provide essential information on body panel repair methods (including cutting and welding operations, but excluding painting) for the toyota corolla Applicable models: aze141 series zre142 series This manual consists of body repair methods, exploded diag ...

    Circuit description
    While driving uphill with cruise control activated, in order to minimize gear shifting and provide smooth cruising overdrive may be prohibited temporarily under some conditions. The cruise control ecu sends o/d cut signals to the ecm as necessary and the ecm cancels overdrive shifting until ...

    Definition of terms
    Term Definition Monitor description Description of what the ecm monitors and how it detects malfunction (monitoring purpose and its details). Related dtcs Diagnostic code Typical enabling condition Preconditions that allow the ecm to detect m ...