ELECTRONICALLY CONTROLLED BRAKE SYSTEM FREEZE FRAME DATA

  1. FREEZE FRAME DATA/INFORMATION

    1. Using the GTS, check the vehicle condition (ECU, sensor) when the brake system operates or a DTC is output.

    2. The freeze frame data that is recorded when a DTC is stored can be used to check the INF codes, but only for DTCs which can be stored.

  2. CHECK FREEZE FRAME DATA WHEN BRAKE SYSTEM OPERATES

    1. Freeze frame data is stored when the brake system operates. The freeze frame data is updated each time the system operates.

    2. Once freeze frame data is stored when the system operates, it is not cleared until the DTC is cleared.

    3. The number of times (maximum: 31) the power switch has been turned from off to on (IG) since the last time the system was activated can be stored and displayed.

      Tip:

      • When the vehicle is stopped (vehicle speed below 7 km/h), turning the power switch from off to on (IG) does not cause the value to increase.

      • The value "31" is displayed when the power switch was turned on (IG) more than 31 times.

    4. Check freeze frame data when the system operates

      1. Turn the power switch off.

      2. Connect the GTS to the DLC3 and turn the power switch on (IG).

      3. Enter the following menus: Chassis / ABS/VSC/TRC / Utility.

      4. Select "ABS History".

        Chassis > ABS/VSC/TRC > Utility

        Tester Display

        ABS History

      5. Check the freeze frame data when the system operates.

  3. CHECK FREEZE FRAME DATA AND INFORMATION WHEN DTC WAS STORED

    1. Freeze frame data is stored when a DTC is output.

    2. Once freeze frame data is stored when a DTC is output, it is not updated or cleared until the DTC is cleared.

    3. The number of times (maximum: 31) the power switch has been turned from off to on (IG) since a DTC was output can be stored and displayed.

      Tip:

      The value "31" is displayed when the power switch was turned on (IG) more than 31 times.

    4. Check the freeze frame data and INF code when a DTC is output.

      1. Turn the power switch off.

      2. Connect the GTS to the DLC3 and turn the power switch on (IG).

      3. Enter the following menus: Chassis / ABS/VSC/TRC / Trouble Codes.

        Chassis > ABS/VSC/TRC > Trouble Codes

      4. Select a DTC to display the freeze frame data.

      5. Check the freeze frame data for the output DTC.

        Tip:

        If an "INF Code" item appears when the freeze frame data is displayed, select and check the INF code.

        Chassis > ABS/VSC/TRC

        Tester Display

        Measurement Item

        Range

        Normal Condition

        Diagnostic Note

        Detailed Freeze DTC

        Detailed code for Freeze Frame DTC

        Min.: 0, Max.: 65535

        -

        Number of information codes (INF code) output is displayed

        Elapsed Time after Freeze Trigger

        Elapsed time after freeze trigger

        Min.: 0 msec, Max.: 510 msec

        -

        -

        Number of IG ON

        Number of times power switch turned on (IG) after Freeze Frame Data stored

        0 to 31

        -

        -

        Elapsed Time

        Elapsed time after power switch turned on (IG)

        Min.: 0 sec, Max.: 100661 sec

        -

        -

        Buzzer

        Meter buzzer

        ON or OFF

        ON: Buzzer on

        OFF: Buzzer off

        -

        Stop Light SW

        Stop light switch assembly

        ON or OFF

        ON: Brake pedal depressed

        OFF: Brake pedal released

        -

        Parking Brake SW

        Parking brake switch

        ON or OFF

        ON: Parking brake applied

        OFF: Parking brake released

        -

        Reservoir Warning SW

        Brake fluid level warning switch

        ON or OFF

        ON: Reservoir level low

        OFF: Reservoir level normal

        -

        Shift Lever Position

        Shift position information

        Fail, 1st-6th/B, D/M, P,N or R

        Actual shift position

        -

        Operated System

        Operated system status

        ABS, VSC, TRC, BA, PB, PBA, HAB, HA-CTRL, TSC, Fail, Non or Sys

        -

        ABS: ABS activated

        VSC: VSC activated

        TRC: TRC activated

        BA: BA activated

        PB: PB activated*1

        PBA: PBA activated*1

        HAB: High power assist brake activated*2

        HA-CTRL: Hill-start assist control activated

        TSC: Trailer sway control activated

        Fail: Fail safe mode activated

        Non: No system activated

        Sys: System prohibited

        Stroke Sensor

        Brake pedal stroke sensor assembly

        Min.: 0.00 V, Max.: 5.00 V

        Brake pedal released: 0.65 to 1.35 V

        Reading increases when brake pedal is depressed

        Stroke Sensor2

        Brake pedal stroke sensor assembly 2

        Min.: 0.00 V, Max.: 5.00 V

        Brake pedal released: 3.65 to 4.35 V

        Reading decreases when brake pedal is depressed

        Accumulator Sensor

        Accumulator pressure sensor

        Min.: 0.00 V, Max.: 5.00 V

        Specified value: 2.90 to 4.20 V

        When brake fluid is stored in the accumulator: Accumulator pressure changes in accordance with volume of fluid stored in the accumulator

        Yaw Rate Sensor

        Yaw rate sensor

        Min.: -128 degrees/s, Max.: 127 degrees/s

        Vehicle stopped: 0 degrees/s

        Turning right: -128 to 0 degrees/s

        Turning left: 0 to 127 degrees/s

        -

        Lateral G

        Lateral G

        Min.: -25.10 m/s2, Max.: 24.90 m/s2

        -

        During turning: Changes in proportion with lateral acceleration

        Forward and Rearward G

        Forward and backward G

        Min.: -25.10 m/s2, Max.: 24.90 m/s2

        -

        During acceleration/deceleration: Changes in proportion with acceleration

        FR Wheel Speed

        Front speed sensor RH

        Min.: 0 km/h (0 mph), Max.: 326 km/h (202 mph)

        Vehicle stopped: 0 km/h (0 mph)

        When driving at constant speed: No large fluctuations

        FL Wheel Speed

        Front speed sensor LH

        Min.: 0 km/h (0 mph), Max.: 326 km/h (202 mph)

        Vehicle stopped: 0 km/h (0 mph)

        When driving at constant speed: No large fluctuations

        RR Wheel Speed

        Rear speed sensor RH

        Min.: 0 km/h (0 mph), Max.: 326 km/h (202 mph)

        Vehicle stopped: 0 km/h (0 mph)

        When driving at constant speed: No large fluctuations

        RL Wheel Speed

        Rear speed sensor LH

        Min.: 0 km/h (0 mph), Max.: 326 km/h (202 mph)

        Vehicle stopped: 0 km/h (0 mph)

        When driving at constant speed: No large fluctuations

        Vehicle Speed

        Maximum wheel speed sensor

        Min.: 0 km/h (0 mph), Max.: 326 km/h (202 mph)

        Vehicle stopped: 0 km/h (0 mph)

        When driving at constant speed: No large fluctuations

        Accelerator Opening Angle %

        Percentage of accelerator pedal opening angle

        Min.: 0.0%, Max.: 127.5%

        Accelerator pedal released: 0.0%

        During accelerator pedal operation: Changes in proportion with the pedal movement

        ECB Motor Relay

        ABS motor relay

        ON or OFF

        ON: Relay on

        OFF: Relay off

        ECB: Electronically Controlled Brake System

        ECB Main Relay

        ABS main relay

        ON or OFF

        ON: Relay on

        OFF: Relay off

        ECB: Electronically Controlled Brake System

        IG1 Voltage Value

        IG1 voltage value

        Min.: 0.00 V, Max.: 20.00 V

        -

        Changes in proportion to auxiliary battery voltage

        IG2 Voltage Value

        IG2 voltage value

        Min.: 0.00 V, Max.: 20.00 V

        -

        Changes in proportion to auxiliary battery voltage

        BS1 Voltage Value

        BS voltage value

        Min.: 0.00 V, Max.: 20.00 V

        -

        Changes in proportion to auxiliary battery voltage

        VM1 Voltage Value

        VM1 voltage value

        Min.: 0.00 V, Max.: 20.00 V

        -

        Changes in proportion to auxiliary battery voltage

        Motor Relay Voltage Value

        Motor relay voltage value

        Min.: 0.00 V, Max.: 20.00 V

        During motor operation: 12.00 V

        No motor operation: 0.00 V

        -

        Steering Angle Sensor

        Steering angle sensor

        Min.: - 3276.8 degrees, Max.: 3276.7 degrees

        Turning left: Increases

        Turning right: Decreases

        -

        TRC/VSC Off Mode

        TRC/VSC off mode

        Normal, TRC OFF or VSC OFF

        Normal: Normal mode

        TRC OFF: TRC off mode

        VSC OFF: VSC off mode

        -

        Regulator Pressure Sensor Output

        Regulator pressure sensor output

        Min.: 0.00 V, Max.: 5.00 V

        Brake pedal released: 0.10 to 0.90 V

        Reading increases when brake pedal is depressed

        Regulator Pressure Sensor Output Variant

        Regulator pressure sensor output variant

        Min.: -30 MPa/s, Max.: 225 MPa/s

        -

        -

        Wheel Cylinder Pressure Sensor

        Wheel cylinder pressure sensor

        Min.: 0.00 V, Max.: 5.00 V

        Brake pedal released: 0.10 to 0.90 V

        Reading increases when brake pedal is depressed

        SLA Solenoid Current

        Linear solenoid additional valve (SLA) current

        Min.: 0.00 A, Max.: 1.50 A

        Brake pedal released: 0.00 A

        -

        SLR Solenoid Current

        Linear solenoid reduction valve (SLR) current

        Min.: 0.00 A, Max.: 1.50 A

        Brake pedal released: 0.00 A

        -

        Target Oil Pressure

        Wheel target hydraulic pressure

        Min.: 0.00 Mpa, Max.: 20.00 Mpa

        -

        Changes according to the target wheel cylinder hydraulic pressure

        ECB Solenoid (SSC)

        Simulator cut solenoid valve (SSC)

        ON or OFF

        ON: Solenoid on

        OFF: Solenoid off

        ECB: Electronically Controlled Brake System

        ECB Solenoid (SCC)

        Switching solenoid valve (SCC)

        ON or OFF

        ON: Solenoid on

        OFF: Solenoid off

        ECB: Electronically Controlled Brake System

        ECB Solenoid (SMC)

        Master cut solenoid valve (SMC)

        ON or OFF

        ON: Solenoid on

        OFF: Solenoid off

        ECB: Electronically Controlled Brake System

        ECB Solenoid (SRC)

        Regulator cut solenoid valve (SRC)

        ON or OFF

        ON: Solenoid on

        OFF: Solenoid off

        ECB: Electronically Controlled Brake System

        Voltage of Stroke Sensor

        Voltage of brake pedal stroke sensor assembly

        Min.: -2.50 V, Max.: 2.49 V

        -

        -

        Voltage of Stroke Sensor2

        Voltage of brake pedal stroke sensor assembly 2

        Min.: -2.50 V, Max.: 2.49 V

        -

        -

        • *1: w/ Pre-collision System

        • *2: Not supported

  4. CLEAR FREEZE FRAME DATA AND INFORMATION

    Note:

    Clearing the DTCs will also clear the Freeze Frame Data and information codes (INF codes).

    1. Connect the GTS to the DLC3.

    2. Turn the power switch on (IG).

    3. Turn the GTS on.

    4. Clear the DTCs and Freeze Frame Data.

      Click here

      Chassis > ABS/VSC/TRC > Clear DTCs