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Home >> Toyota >> 2010 >> FJ Cruiser 4WD, Part Time >> Repair and Diagnosis >> Brakes >> Traction Control >> Vehicle Stability Control System (Diagnostics - Introduction) >> Vehicle Stability Control System >> Freeze Frame Data >> Freeze Frame Data
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Freeze Frame Data

  1. 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 ON 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 after that.
    • Freeze frame data at the time the ABS operates: The skid control ECU stores and updates the 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 Techstream to the DLC3.
    2. Turn the ignition switch to ON.
    3. Turn the tester on.
    4. Check the freeze frame data by following the prompts on the Techstream display.
    Tester Display Measurement Item Reference Value
    Freeze DTC Freeze DTC min.: 0, max.: 65535
    Stop Light SW Stop light switch signal ON: Stop light switch ON
    OFF: Stop light switch OFF
    VSC/TRAC OFF SW VSC OFF switch signal ON: VSC OFF SW ON
    OFF: VSC OFF SW OFF
    Shift Lever Position Shift lever position FAIL
    P,N
    R
    D
    4
    3
    2
    L
    Operated System System status ABS: ABS activated
    VSC/TRAC: VSC/TRAC activated
    BA: BA activated
    FAIL SF: Fail safe mode activated
    NO SYS: No system activated
    Number of IG ON Number of operations turning ignition switch ON since freeze frame data stored 0 to 31
    Vehicle Speed Wheel speed sensor reading Speed indicated on speedometer
    Steering Angle Sensor Steering sensor reading Left turn: Increase
    Right turn: Drop (Deceleration)
    Yaw Rate Sensor Yaw rate angle sensor reading -128 to 127
    Master Cylinder Sensor1 Master cylinder pressure sensor reading Brake pedal released: 0.3 to 0.9 V
    Brake pedal depressed: 0.8 to 4.5 V
    Master Cylinder Grade Master cylinder pressure sensor change -30 to 225 MPa/s
    Right And Left G Right and left G (Yaw Rate) -1.869 to 1.869
    Back And Forth G Back and forth G (Deceleration) -1.869 to 1.869
    FR Wheel Direction Front right wheel direction Back: Wheel direction back
    Forward: Wheel direction forward
    FL Wheel Direction Front left wheel direction Back: Wheel direction back
    Forward: Wheel direction forward
    RR Wheel Direction Rear right wheel direction Back: Wheel direction back
    Forward: Wheel direction forward
    RL Wheel Direction Rear left wheel direction Back: Wheel direction back
    Forward: Wheel direction forward
    Buzzer VSC buzzer signal ON: VSC buzzer ON
    OFF: VSC buzzer OFF
    Reservoir Warning SW Reservoir level warning switch signal ON: Reservoir level warning switch ON
    OFF: Reservoir level warning switch OFF
    Parking Brake SW Parking brake switch signal ON: Parking brake switch ON
    OFF: Parking brake switch OFF
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