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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    Circuit description
    The srs warning light is located on the combination meter. When the srs is normal, the srs warning light lights up for approx. 6 Seconds after the ignition switch is turned from the lock position to on position, and then turns off automatically. If there is a malfunction in the srs, the srs ...

    Inspection procedure
    1 Input signal check See input signal check on page 05–745. check the indicator light operation when each of the set/ coast, resume/accel and cancel is turned on. Ok: set/coast, resume/accel switch: the signals shown in the table on the left should be output when each switch is ...

    Warning light and warning buzzer list
    *1: Parking brake engaged warning buzzer: *2: Open door warning buzzer: *3: Vehicles with a drive monitor display *4: Vehicles with a multi-information display *5: Driver’s seat belt buzzer: Vehicles without a smart key system: The driver’s seat belt buzzer sounds to alert the d ...