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HOMESERVICE MANUALSLEXUS2007ES 350REPAIR AND DIAGNOSIS (SINGLE PAGE)BRAKESTRACTION CONTROLBRAKE CONTROLVEHICLE STABILITY CONTROL SYSTEMVSC WARNING LIGHT DOES NOT COME ONINSPECTION PROCEDURE
2007 Lexus ES 350

Inspection Procedure

2007 Lexus ES 350SECTION Inspection Procedure
NOTE: When replacing the brake actuator assembly, perform zero point CALIBRATION  .
  1. CHECK CAN COMMUNICATION SYSTEM 
    1. Check if the CAN communication system DTC is output (See DIAGNOSIS SYSTEM ).

      Result 

      RESULT CHART

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

    B: INSPECT CAN COMMUNICATION SYSTEM 

    A: Go to Next Step 

  2. CHECK VSC WARNING LIGHT 
    1. Connect the intelligent tester to the DLC3.
    2. Start the engine.
    3. Select "VSC WARN LAMP" in the Active Test and operate the VSC warning (multi information display) using the intelligent tester.

      ABS/VSC: 

      ABS/VSC ACTIVE TEST LIST

      Tester Display Test Part Control Range Diagnostic Note
      VSC WARN LAMP VSC warning (multi information display) Warning (display) ON / OFF Observe combination meter
    4. Check that "ON" and "OFF" of the VSC warning (multi information display) are indicated on the combination meter when using the intelligent tester.

      OK: 

      The VSC warning (multi information display) turns on or off in accordance with the intelligent tester. 

      HINT:

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

    OK: REPLACE BRAKE ACTUATOR ASSEMBLY 

    NG: Go to Next Step 

  3. INSPECT COMBINATION METER ASSEMBLY 
    1. Turn the engine switch off.
    2. Perform Active Test of the combination meter (meter CPU) using the intelligent tester (See DATA LIST / ACTIVE TEST ).

      OK: 

      The VSC warning (multi information display) turns on or off in accordance with the intelligent tester. 

      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 

    OK: REPLACE BRAKE ACTUATOR ASSEMBLY 

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.