2007 Lexus GS 430FACTORY OEM SERVICE PROCEDURE

Vehicle Stability Control System: Calibration

  1. DESCRIPTION 
    • After replacing the VSC relevant components or performing "Front wheel alignment adjustment", clear and read the sensor calibration data.
    • Follow the chart to perform calibration.
    Fig 1: Checking Connectors
    G04832151Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    REPLACING PARTS / OPERATION CHART

    Replacing Parts / Operation Necessary Operation
    Skid Control ECU Yaw rate and acceleration sensor zero point calibration.
    Yaw Rate and Acceleration Sensor
    1. Clearing zero point calibration data.
    2. Yaw rate and acceleration sensor zero point calibration.
    Front Wheel Alignment Adjustment
    1. Clearing zero point calibration data.
    2. Yaw rate and acceleration sensor zero point calibration.
  2. CLEAR ZERO POINT CALIBRATION (WHEN USING INTELLIGENT TESTER) 
    1. Connect the intelligent tester to the DLC3.
    2. Turn the engine switch on (IG).
      Fig 2: Connecting Intelligent Tester To DLC3
      G05296872Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Operate the intelligent tester to erase the codes (select "RESET MEMORY").

      HINT:

      Refer to the intelligent tester operator's manual for further details.

  3. PERFORM ZERO POINT CALIBRATION OF YAW RATE AND ACCELERATION SENSOR (WHEN USING INTELLIGENT TESTER) 
    NOTE:
    • While obtaining the zero point, do not vibrate the vehicle by tilting, moving or shaking it and keep it stationary. (Do not start the engine.)
    • Be sure to do this on a level surface (with an inclination of less than 1 degree).
    1. Procedures for test mode.
      1. Check that the steering wheel is centered and move the shift lever to the P position.
        NOTE: DTC C1210/36  and C1336/39  will be recorded if the shift lever is not in the P position .
      2. Connect the intelligent tester to the DLC3.
      3. Turn the engine switch on (IG).
        Fig 3: Consult-II Display - Reset Memory
        G04977986Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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  • • 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.

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