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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 (IG) since the last time the ABS was activated. However, if the vehicle is stopped or at low speed (4.3 mph (7 km/h) or less), or if a DTC is detected, the skid control ECU will stop counting the number.
    • 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 during ABS operation 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 on (IG).
    3. Select "DTC INFO" on the tester display.
    4. On the DTC data display screen, select the DTC data displayed with "*".
    DTC DATA REFERENCE

    Techstream display Measurement Item Reference Value
    Freeze DTC Freeze DTC 0 to 255
    Stop Light Switch Stop light switch signal Stop light switch ON: ON, OFF: OFF
    Shift Lever Position Shift lever position FAIL
    P, N
    R
    D
    4
    3
    2
    L
    Operated 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
    Number of IG ON Number of operation of ignition switch ON after storing freeze frame data 0 to 31
    Vehicle Speed Wheel speed sensor reading Min.: 0 mph (0 km/h), Max.: 202 mph (326.4 km/h)
    Steering Angle Sensor Steering sensor reading Min.:-1152 deg, Max.: 1143 deg
    Yaw Rate Sensor Yaw rate angle sensor reading Min.: -128 deg/s, Max.: 127deg/s
    Master Cylinder Sensor 1 Master cylinder pressure sensor reading Brake pedal release : 0.3 to 0.9 V Brake pedal depress : 0.8 to 4.5 V
    Master Cylinder Grade Master cylinder pressure sensor change Min.: -30 MPa/s, Max.: 225 MPa/s
    Right and Left G Right and Left G Min.:-1.859 G, Max.: 1.859 G
    Back and Forth G Back and forth G Min.:-1.859 G, Max.: 1.859 G