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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    Other materials:

    Check open circuit
    For the open circuit in the wire harness in fig. 1, Perform a resistance check in step (b) or a voltage check in step (c) to locate the section. Check the resistance.  Disconnect connectors a and c and measure the resistance between them. Resistance: 1 Ω or les ...

    Replacement
    Hint: components: 1. Precaution 2. Disconnect battery negative terminal 3. Remove horn button assy Place the front wheels facing straight ahead.  using a torx socket wrench (t30), loosen the 2 torx screws until the groove along the screw circumference catches on the screw ca ...

    Shift position uses
    *: Shifting to the D position allows the system to select a gear suitable for driving conditions. Setting the shift lever to the D position is recommended for normal driving. ■Downshifting restrictions The shift lever cannot be downshifted if the following speeds are exceeded. mph (km ...