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HOMESERVICE MANUALSTOYOTA2009COROLLA S, 1.8 U, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)BRAKESTRACTION CONTROLBRAKE CONTROL/DYNAMIC CONTROL SYSTEMVEHICLE STABILITY CONTROL SYSTEMSKID CONTROL BUZZER CIRCUITINSPECTION PROCEDURE
2009 Toyota Corolla S, 1.8 U, Standard

Inspection Procedure

2009 Toyota Corolla S, 1.8 U, StandardSECTION Inspection Procedure
NOTE: When replacing the brake actuator assembly, perform zero point calibration (See CALIBRATION ).
  1. CHECK CAN COMMUNICATION SYSTEM 
    1. Check if a CAN communication system DTC is output (See DIAGNOSIS SYSTEM ).

    Result 

    RESULT CHART

    Result Proceed to
    DTC is not output A
    DTC is output B

    B: INSPECT CAN COMMUNICATION SYSTEM  (See HOW TO PROCEED WITH TROUBLESHOOTING )

    A: Go to next step 

  2. PERFORM ACTIVE TEST USING TECHSTREAM (SKID CONTROL BUZZER) 
    1. Connect the Techstream to the DLC3.
    2. Turn the ignition switch to ON.
    3. Select Active Test mode on the Techstream (See DATA LIST / ACTIVE TEST ).

      ABS/VSC/TRAC 

      ABS/VSC/TRAC REFERENCE CHART

      Tester Display Test Part Control Range Diagnostic Note
      Buzzer Skid control buzzer Buzzer ON/OFF Buzzer can be heard
    4. Check that the buzzer sounds/stops when turning the skid control buzzer on/off using the Techstream.

      Result 

      RESULT CHART

      Result Proceed to
      Buzzer does not sound or sounds constantly A
      Buzzer sounds/stops B

      HINT:

      If troubleshooting has been carried out according to the Problem Symptoms Table, refer back to the table and proceed to the next step (See PROBLEM SYMPTOMS TABLE ).

    B: END 

    A: Go to next step 

  3. INSPECT COMBINATION METER ASSEMBLY 
    1. Turn the ignition switch off.
    2. Check the combination meter (See HOW TO PROCEED WITH TROUBLESHOOTING ).

      OK: 

      The combination meter is normal. 

      HINT:

      If troubleshooting has been carried out according to the Problem Symptoms Table, refer back to the table and proceed to the next step (See PROBLEM SYMPTOMS TABLE ).

    NG: REPLACE COMBINATION METER ASSEMBLY  (See COMBINATION METER )

    OK: REPLACE BRAKE ACTUATOR ASSEMBLY  (See REMOVAL )

RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.