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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 the intelligent tester to the DLC3.
    2. Turn the ignition switch to the ON position.
    3. From the display on the tester, select the FREEZE FRAME DATA.
      INTELLIGENT TESTER DISPLAY CHART

      Intelligent tester display Measurement Item Reference Value
      VEHICLE SPD Wheel speed sensor reading min.: 0 km/h
      max.: 326 km/h
      STOP LIGHT SW Stop light switch signal Stop light switch ON: ON, OFF: OFF
      # IG ON Number of operations of ignition switch ON after memorizing freeze frame data 0 to 31
      MAS CYL PRESS Master cylinder pressure sensor reading Brake pedal released: 0.3 to 0.9 V
      Brake pedal depressed: 0.8 to 4.5 V
      MASS PRESS GRADE Master cylinder pressure sensor change -30 to 255 MPa/s
      SYSTEM System status ABS activated: ABS
      VSC / TRC activated: VSC / TRC
      BA activated: BA
      Fail safe mode activated: FAIL SF
      No system activated: NO SYS
      YAW RATE Yaw rate sensor reading -128 to 127
      STEERING ANG Steering angle sensor reading Left turn: Increase
      Right turn: Drop
      THROTTLE Throttle position sensor reading Release accelerator pedal: Approx. 0 deg.
      Depress accelerator pedal: Approx. 125 deg.
      G (RIGHT & LEFT) Right and left G -1.869 to 1.869
      G (BACK & FORTH) Back and forth G -1.869 to 1.869
      VSC / TRC OFF SW VSC OFF switch signal TRAC OFF SW ON: ON
      TRAC OFF SW OFF: OFF
      SHIFT POSITION Shift lever position FAIL
      P, N
      R
      D
      4
      3
      2
      L
      TROUBLE CODE Freeze DTC min.: 0
      max.: 255
      # CODES Number of trouble codes min.: 0
      max.: 255
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