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HOMESERVICE MANUALSTOYOTA2009COROLLA S, 1.8 U, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)BRAKESANTI-LOCK BRAKESBRAKE CONTROL/DYNAMIC CONTROL SYSTEMVEHICLE STABILITY CONTROL SYSTEMFREEZE FRAME DATA
2009 Toyota Corolla S, 1.8 U, Standard

Freeze Frame Data

2009 Toyota Corolla S, 1.8 U, StandardSECTION Freeze Frame Data
  1. FREEZE FRAME DATA 
    1. Whenever an ABS DTC is detected, the skid control ECU stores the current vehicle (sensor) state as Freeze Frame Data.
    2. 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.

      HINT:

      • If the vehicle is stopped, at a low speed (7 km/h (4.3 mph) or less), or if a DTC is detected, the skid control ECU will stop counting the number of times the ignition switch has been turned from off to ON.
      • 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 cleared.

      • 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.

  2. CHECK FREEZE FRAME DATA 
    1. Connect the Techstream to the DLC3.
    2. Turn the ignition switch to ON.
    3. Turn the Techstream on.
    4. Enter the following menus: Chassis / ABS/VSC/ TRAC / Trouble Codes.
    5. According to the Techstream display, select the trouble code data display with Freeze Frame Data.

    ABS/VSC/TRAC 

    ABS/VSC/TRAC REFERENCE CHART

    Tester Display Measurement Item Reference Value
    Elapsed Time after Freeze Trigger Elapsed time after freeze frame trigger Min.: 0 ms, Max.: 500 ms
    Number of IG ON Number of operations of ignition switch being turned to ON after storing Freeze Frame Data 0 to 31
    Buzzer Skid control buzzer signal Skid control buzzer ON: ON, OFF: OFF
    Stop Lamp SW Stop light switch signal Stop light switch ON: ON, OFF: OFF
    Parking Brake SW Parking brake switch signal Parking brake switch ON: ON, OFF: OFF
    Gear Position Gear position information FAIL
    P, N
    R
    NOT R
    1st
    2nd
    3rd
    4th
    5th
    Shift Lever Position Shift lever position information FAIL
    P, N
    R
    D/M
    1st
    2nd
    3rd
    4th
    5th
    Operated System Operated system status ABS: ABS activated
    VSC: VSC activated
    TRC: TRAC activated
    BA: BA activated
    FAIL: Fail safe mode activated
    SYS: System prohibit activated
    NON: No operation activated
    Master Cylinder Sensor Master cylinder pressure sensor reading Brake pedal released: 0.3 to 0.9 V
    Brake pedal depressed: 0.8 to 4.5 V
    M/C Sensor Grade Master cylinder pressure sensor change Min.: -30 MPa/s, Max.: 225 MPa/s
    Yaw Rate Sensor Yaw rate sensor reading Min.: -128 deg/s, Max.: 127 deg/s
    Lateral G Lateral G Min.: -25.11 m/s2 , Max.: 24.91 m/s2
    Forward and Rearward G Forward and backward G Min.: -25.11 m/s2 , Max.: 24.91 m/s2
    FR Wheel Speed FR wheel speed Min.: 0 km/h (0 mph), Max.: 326.4 km/h (202 mph)
    FL Wheel Speed FL wheel speed Min.: 0 km/h (0 mph), Max.: 326.4 km/h (202 mph)
    RR Wheel Speed RR wheel speed Min.: 0 km/h (0 mph), Max.: 326.4 km/h (202 mph)
    RL Wheel Speed RL wheel speed Min.: 0 km/h (0 mph), Max.: 326.4 km/h (202 mph)
    Vehicle Speed Vehicle speed reading Min.: 0 km/h (0 mph), Max.: 326.4 km/h (202 mph)
    Vehicle Speed Grade Vehicle speed grade Min.: -25.11 m/s2 , Max.: 24.91 m/s2
    Real Engine Torque Real engine torque Min.: -1024 Nm, Max.: 1023 Nm
    Accelerator Opening Angle % Accelerator opening angle % Min.: 0%, Max.: 128%
    Inspection Mode Inspection mode OTHER: Normal mode
    INSPECT: Inspection mode
    Steering Angle Sensor Steering angle sensor reading Left turn: Increase
    Right turn: Decrease
    TRAC/VSC Off Mode TRAC/VSC off mode NORMAL: Normal mode
    TRC OFF: TRAC off mode
    VSC OFF: VSC off mode
  3. CLEAR FREEZE FRAME DATA 
    NOTE: Clearing the DTCs will also clear the Freeze Frame Data.
    1. Connect the Techstream to the DLC3.
    2. Turn the ignition switch to ON.
    3. Clear the DTCs and Freeze Frame Data (See DTC CHECK / CLEAR ).
RENDER: 1.0x

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Stop DIY work and contact a certified mechanic immediately if any of the following apply:

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  • • The engine overheats, stalls repeatedly, or misfires under load.
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