Toyota Corolla (E120): Inspection procedure

1 Check operation(starter)

  1. Check that the starter operates normally and that the engine starts.

2 Input signal check

2 Input signal check

  1. See input signal check on page 05–745.
  2.  check the indicator light when shifting into except d position.

    Ok: the indicator light goes off when shifting into except d position.

3 Inspect terminal voltage(d)

3 Inspect terminal voltage(d)

  1. Turn the ignition switch to on.
  2.  measure voltage between terminal 4 (d) of cruise control ecu assy connector and body ground when shifting into d position and other positions.

    Ok:

4 Check harness and connector(between cruise control ecu assy

4 Check harness and connector(between cruise control ecu assy and park/neutral position switch)

  1. Check for open and short circuit in harness and connector between cruise control ecu assy and park/ neutral position switch

Check and replace cruise control ecu assy

Check and replace cruise control ecu assy

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