Toyota Corolla (E120): Inspection procedure

1 Inspect parking brake switch circuit

  1. Check for open and short circuit in parking brake switch circuit

2 Inspect brake fluid level warning switch circuit

2 Inspect brake fluid level warning switch circuit

  1. Check the brake fluid level in reservoir.
  2.  check for open and shot circuit in brake fluid level warning switch circuit

3 Check dtc once more

3 Check dtc once more

  1. Check for open and short circuit in harness and connector between vacuum warning switch and skid control ecu

4 Inspect combination meter assembly(brake warning light circuit)

4 Inspect combination meter assembly(brake warning light circuit)

  1. Check for open and short circuit in combination meter

5 Check harness and connector(brake actuator – combination

5 Check harness and connector(brake actuator – combination meter)

  1. Check for open and short circuit in harness and connector between brake actuator and combination meter

Check and replace brake actuator assy

Check and replace brake actuator assy

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    Do-it-yourself service precautions
    If you perform maintenance by yourself, be sure to follow the correct procedure as given in these sections. CAUTION The engine compartment contains many mechanisms and fluids that may move suddenly, become hot, or become electrically energized. To avoid death or serious injury, observe t ...

    Circuit description
    When the brake pedal is depressed, the stop lamp switch assy sends a signal to the cruise control ecu assy. When the cruise control ecu assy receives this signal, it cancels the cruise control. A fail–safe function is provided so that cancel functions normally, even if there is a malfu ...

    Circuit description
    The fuel trim is related to the feedback compensation value, not to the basic injection time. The fuel trim includes the short–term fuel trim and the long–term fuel trim. The short–term fuel trim is the short–term fuel compensation used to maintain the air–fuel ratio at stoichiomet ...