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Freeze Frame Data

  1. FREEZE FRAME DATA 

    HINT:

    • Whenever a DTC is detected or the ABS operates, the skid control ECU stores the current vehicle (sensor) state as freeze frame data.
    • The skid control ECU stores the number of times (maximum: 31) the ignition switch has been turned from off to the ON position since the last time the ABS was activated. However, if the vehicle was stopped or at low speed (4.3 mph (7 km/h) or less), or if a DTC is detected, the skid control ECU will not count the number since then.
    • Freeze frame data at the time the ABS operates: The skid control ECU stores and updates data whenever the ABS system operates.

      When the ECU stores data at the time a DTC is detected, the data stored when the ABS operated is erased.

    • Freeze frame data at the time a DTC is detected: When the skid control ECU stores data at the time a DTC is detected, no updates will be performed until the data is cleared.
    1. Connect Techstream to the DLC3.
    2. Turn the ignition switch to the ON position.
    3. From the display on the tester, select the Freeze Frame Data.

      ABS/VSC/TRAC: 

      ABS/VSC/TRAC FREEZE FRAME DATA

      Tester Display Measurement Item Reference Value
      Stop Light SW Stop light switch signal Stop light switch ON: ON, OFF: OFF
      VSC / TRAC OFF SW TRAC OFF switch signal TRAC OFF SW ON: OFF
      TRAC OFF SW OFF: ON
      Shift Lever Position Shift lever position FAIL
      P, N
      R
      D
      4
      3
      2
      L
      Operated System System status ABS activated: ABS
      VSC / TRAC activated: VSC / TRC BA activated: BA
      Fail safe mode activated: FAIL SAFE
      No system activated: NO SYS
      Number of IG ON Number of operations of ignition switch ON after memorizing freeze frame data 0 to 31
      Vehicle Speed Wheel speed sensor reading Min.: 0 mph (0 km/h)
      Max.: 202 mph (326 km/h)
      Steering Angle Sensor Steering angle sensor reading Left turn: Increase
      Right turn: Drop
      Yaw Rate Sensor Yaw rate sensor reading -128 to 127 deg/s
      Master Cylinder Sensor 1 Master cylinder pressure sensor reading Brake pedal released: 0.3 to 0.9 V
      Brake pedal depressed: 0.8 to 4.5 V
      Throttle Sensor Throttle position sensor reading Release accelerator pedal: Approx. 0 deg.
      Depress accelerator pedal: Approx. 125 deg.
      Master Cylinder Grade Master cylinder pressure sensor change -30 to 225 MPa/s
      Right And Left G Right and left G -1.869 to 1.869 G
      Back And Forth G Back and forth G -1.869 to 1.869 G
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