Last Modified: 05-13-2024 6.11:8.1.0 Doc ID: RM1000000028D62
Model Year Start: 2023 Model: GR Corolla Prod Date Range: [11/2022 -           ]
Title: BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for Gasoline Model with Electric Parking Brake System): FREEZE FRAME DATA; 2023 - 2025 MY Corolla Corolla Hatchback GR Corolla [11/2022 -        ]

FREEZE FRAME DATA

FREEZE FRAME DATA/INFORMATION

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

CHECK FREEZE FRAME DATA AND INFORMATION WHEN DTC WAS STORED

(a) Freeze Frame Data is stored when a DTC is output.

(b) Once Freeze Frame Data is stored when a DTC is output, it is not updated or cleared until the DTC is cleared.

(c) Check the corresponding freeze frame data and detailed information of the DTC.

(1) Turn the ignition switch off.

(2) Connect the GTS to the DLC3.

(3) Turn the ignition switch to ON.

(4) Turn the GTS on.

(5) Enter the following menus: Chassis / Brake/EPB / Trouble Codes.

Chassis > Brake > Trouble Codes

(6) Select a DTC to display the Freeze Frame Data.

(7) Check the Freeze Frame Data for the output DTC.

Chassis > Brake

Tester Display

Measurement Item

Range

Normal Condition

Diagnostic Note

Total Distance Traveled - Unit

Total Distance Traveled unit

km / mile

-

-

Total Distance Traveled

Total distance traveled

Min.: 0, Max.: 16777215

-

-

FR Wheel Speed

Front wheel speed sensor RH reading

Min.: 0.0 km/h (0 mph), Max.: 6553.5 km/h (4072 mph)

Vehicle stopped: 0.0 km/h (0.0 mph)

When driving at constant speed: No large fluctuations

FL Wheel Speed

Front wheel speed sensor LH reading

Min.: 0.0 km/h (0 mph), Max.: 6553.5 km/h (4072 mph)

Vehicle stopped: 0.0 km/h (0.0 mph)

When driving at constant speed: No large fluctuations

RR Wheel Speed

Rear wheel speed sensor RH reading

Min.: 0.0 km/h (0 mph), Max.: 6553.5 km/h (4072 mph)

Vehicle stopped: 0.0 km/h (0.0 mph)

When driving at constant speed: No large fluctuations

RL Wheel Speed

Rear wheel speed sensor LH reading

Min.: 0.0 km/h (0 mph), Max.: 6553.5 km/h (4072 mph)

Vehicle stopped: 0.0 km/h (0.0 mph)

When driving at constant speed: No large fluctuations

Master Cylinder Sensor 1

Master cylinder pressure sensor pressure (value detected by ECU)

Min.: -1.00 MPa, Max.: 23.99 MPa

Brake pedal released: -1.00 to 0.00 MPa

Reading increases when brake pedal is depressed

M/C Sensor Grade

Master cylinder pressure sensor change (value detected by ECU)

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

Brake pedal released or pedal held at constant position: 0 MPa/s

When brake pedal is being operated: Changes in proportion with the pedal movement speed

Lateral G

Lateral G

Min.: -25.105 m/s2, Max.: 24.908 m/s2

Turning right: -25.105 to 0.000 m/s2

Turning left: 0.000 to 24.908 m/s2

During turning: Changes in proportion with lateral acceleration

Forward and Rearward G

Forward and rearward G

Min.: -25.105 m/s2, Max.: 24.908 m/s2

During deceleration: -25.105 to 0.000 m/s2

During acceleration: 0.000 to 24.908 m/s2

During acceleration/deceleration: Changes in proportion with acceleration

Yaw Rate Sensor Value

Yaw rate sensor

Min.: -128°/s, Max.: 127°/s

Vehicle stopped: 0°/s

Turning right: -128 to 0°/s

Turning left: 0 to 127°/s

-

Steering Angle Value

Steering angle sensor

Min.: -3276.8°, Max.: 3276.7°

Turning left: 0.0 to 3276.7°

Turning right: -3276.8 to 0.0°

-

Zero Point of Steering Angle

Zero Point of Steering Angle

Min.: -3276.8°, Max.: 3276.7°

-

-

MT Voltage Value

ABS motor drive voltage value

Min.: 0.0 V, Max.: 25.5 V

-

Changes in proportion to battery voltage

HINT:

This is the voltage output (which supplies power to the ABS motor) from the skid control ECU (brake actuator assembly) to the ABS motor relay

Solenoid Power Supply Voltage

Solenoid power supply voltage value

Min.: 0.0 V, Max.: 25.5 V

-

Changes in proportion to battery voltage

HINT:

This is the voltage output (which supplies power to each solenoid) from the skid control ECU (brake actuator assembly) to the ABS solenoid relay

Engine Revolutions

Engine speed

Min.: 0 rpm, Max.: 65535 rpm

Engine stopped: 0 rpm

When engine speed is constant: 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

Real Engine Torque

Real engine torque

Min.: -1024.000 Nm, Max.: 1023.000 Nm

-

-

Shift Lever Position

Shift lever position information

fail / 1st / 2nd / 3rd / 4th / 5th / 6th / B / D/M / N / P / R / No input

Actual shift lever position

-

TRC(TRAC)/VSC OFF Mode

TRAC/VSC off mode

Normal mode (TRC(TRAC) ON/VSC ON) / TRC(TRAC) OFF mode (TRC(TRAC) OFF/VSC ON) / VSC expert mode (VSC expert mode MID ON) / VSC OFF mode (TRC(TRAC) OFF/VSC OFF)

Normal mode (TRC(TRAC) ON/VSC ON): Normal mode

TRC(TRAC) OFF mode (TRC(TRAC) OFF/VSC ON): TRAC off mode

VSC expert mode (VSC expert mode MID ON): VSC expert mode

VSC OFF mode (TRC(TRAC) OFF/VSC OFF): VSC off mode

-

Brake Hold Control Mode

Brake hold control mode

Out of control mode /

Pressure hold mode /

Pressure release mode /

EPB lock mode

Out of control mode: Brake hold control system is off or brake hold control system is stand-by mode (brake hold standby indicator light is illuminated)

Pressure hold mode: Brake hold control is operating (brake hold operated indicator light is illuminated)

Pressure release mode: Brake hold control is released (brake hold operated indicator light not illuminated)

EPB lock mode: Parking brake is engaged during brake hold control

HINT:

  • EPB stands for electric parking brake
  • If the brake pedal is not depressed for 3 minutes of more after entering pressure hold mode, the system automatically changes to EPB lock mode

FR Target Oil Pressure

The value of the target oil pressure applied to the front brake RH

Min.: 0.0 MPa, Max.: 20.0 MPa

-

Operating the brake pedal: Varies depending on the target oil pressure

FL Target Oil Pressure

The value of the target oil pressure applied to the front brake LH

Min.: 0.0 MPa, Max.: 20.0 MPa

-

Operating the brake pedal: Varies depending on the target oil pressure

RR Target Oil Pressure

The value of the target oil pressure applied to the rear brake RH

Min.: 0.0 MPa, Max.: 20.0 MPa

-

Operating the brake pedal: Varies depending on the target oil pressure

RL Target Oil Pressure

The value of the target oil pressure applied to the rear brake LH

Min.: 0.0 MPa, Max.: 20.0 MPa

-

Operating the brake pedal: Varies depending on the target oil pressure

Vehicle Speed Grade

Vehicle speed grade

Min.: -25.105 m/s2, Max.: 24.908 m/s2

Vehicle stopped: 0.000 m/s2

During deceleration: -25.105 to 0.000 m/s2

During acceleration: 0.000 to 24.908 m/s2

During deceleration/acceleration: Changes continuously

Vehicle Stop Time from IG ON

Time vehicle stopped after ignition switch turned to ON

Min.: 0 s, Max.: 1275 s

-

-

Travel Distance from IG ON

Driving time after ignition switch turned to ON

Min.: 0 s, Max.: 1275 s

-

-

Stop Light SW

Stop light switch assembly (STP terminal input)

OFF / ON

OFF: Brake pedal released

ON: Brake pedal depressed

HINT:

The brake pedal state is determined using the voltage at terminal STP

Parking Brake SW

Parking brake switch assembly

OFF / ON

OFF: Parking brake released

ON: Parking brake applied

-

Reverse Position Switch

Back-up light switch assembly

OFF / ON

OFF: Shift lever in any position other than R

ON: Shift lever in R

-

Brake Hold Switch

Brake hold switch (electric parking brake switch assembly) (HZRI terminal input)

OFF / ON

OFF: Brake hold switch (electric parking brake switch assembly) OFF

ON: Brake hold switch (electric parking brake switch assembly) ON

HINT:

The brake hold switch (electric parking brake switch assembly) state is determined using the voltage at terminal HZRI

Stop Light Relay

Stop light control relay (Stop light switch assembly)

(STP2 terminal input)

OFF / ON

OFF: Stop light control relay (Stop light switch assembly) OFF

ON: Stop light control relay (Stop light switch assembly) ON

HINT:

The stop light state is determined using the voltage at terminal STP2

Inspection Mode

Inspection mode

OFF / ON

OFF: Normal mode

ON: Inspection mode

HINT:

Refer to utility for details on how to enter inspection mode*1

TRC(TRAC) Control

TRAC control status

Out of controlling / Under Controlling

Out of controlling: During not control

Under Controlling: During control

-

TRC(TRAC) Engine Control

TRAC engine control status

Out of controlling / Under Controlling

Out of controlling: During not control

Under Controlling: During control

-

TRC(TRAC) Brake Control

TRAC brake control status

Out of controlling / Under Controlling

Out of controlling: During not control

Under Controlling: During control

-

FR Wheel VSC Ctrl Status

Front wheel RH VSC control status

Out of controlling / Under Controlling

Out of controlling: During not control

Under Controlling: During control

-

FL Wheel VSC Ctrl Status

Front wheel LH VSC control status

Out of controlling / Under Controlling

Out of controlling: During not control

Under Controlling: During control

-

RR Wheel VSC Ctrl Status

Rear wheel RH VSC control status

Out of controlling / Under Controlling

Out of controlling: During not control

Under Controlling: During control

-

RL Wheel VSC Ctrl Status

Rear wheel LH VSC control status

Out of controlling / Under Controlling

Out of controlling: During not control

Under Controlling: During control

-

FR Wheel ABS Ctrl Status

Front wheel RH ABS control status

Out of controlling / Under Controlling

Out of controlling: During not control

Under Controlling: During control

-

FL Wheel ABS Ctrl Status

Front wheel LH ABS control status

Out of controlling / Under Controlling

Out of controlling: During not control

Under Controlling: During control

-

RR Wheel ABS Ctrl Status

Rear wheel RH ABS control status

Out of controlling / Under Controlling

Out of controlling: During not control

Under Controlling: During control

-

RL Wheel ABS Ctrl Status

Rear wheel LH ABS control status

Out of controlling / Under Controlling

Out of controlling: During not control

Under Controlling: During control

-

BA Ctrl Status

BA control status

OFF / ON

OFF: During not control

ON: During control

-

PBA Ctrl Status

PBA control status

OFF / ON

OFF: During not control

ON: During control

w/ Pre-collision System

Stop Light Relay State for ECU Control

Stop light control relay (Stop light switch assembly) status (STPO terminal output) (for ECU control)

OFF / ON

OFF: Stop light control relay (Stop light switch assembly) off (Stop light off)

ON: Stop light control relay (Stop light switch assembly) on (Stop light on)

-

Solenoid State for ECU Control

ABS solenoid relay status (for ECU control)

OFF / ON

OFF: ABS solenoid relay not operating

ON: ABS solenoid relay operating

-

Motor State for ECU Control

ABS motor relay status (for ECU control)

OFF / ON

OFF: ABS motor relay not operating

ON: ABS motor relay operating

-

Operation History of IG OFF while Vehicle is moving

History of ignition switch turned off when vehicle is in motion

OFF / ON

OFF: No history

ON: History of ignition switch turned off with vehicle speed 3 km/h (2 mph) or higher

-

Dealer Mode

Dealer Mode (Signal Check mode or Calibration mode) status

OFF / ON

OFF: Normal mode

ON: Dealer Mode (Signal Check mode or Calibration mode)

HINT:

  • for details on Dealer Mode (Signal Check), refer to test mode procedure*2
  • for details on Dealer Mode (Calibration), refer to utility*3

Zero Point Memory State of Steering Angle Sensor

Steering angle sensor zero point memorization status

Zero point is not memorized / Zero point is memorized

-

HINT:

The steering angle sensor zero point is acquired when the vehicle is being driven in a straight line at a speed of 15 km/h (9 mph) or more for approximately 1 second

TRC(TRAC)/VSC OFF SW

VSC OFF switch (combination switch assembly)

(CSW terminal input)

OFF / ON

OFF: VSC OFF switch (combination switch assembly) OFF

ON: VSC OFF switch (combination switch assembly) ON

HINT:

The VSC OFF switch (combination switch assembly) state is determined using the voltage at terminal CSW

IGP_PT1

IGP_PT1 status

OFF / ON

OFF: IGP_PT1 off

ON: IGP_PT1 on

-

EFI Communication Open

EFI communication open detection

Normal / Under intermittent

Normal: Normal

Under intermittent: Momentary interruption

Related DTC: U010087

Yaw Rate Open

Yaw rate sensor (airbag sensor assembly) open detection

Normal / Under intermittent

Normal: Normal

Under intermittent: Momentary interruption

Related DTC: U012500

Deceleration Open

Acceleration sensor (airbag sensor assembly) open detection

Normal / Under intermittent

Normal: Normal

Under intermittent: Momentary interruption

Related DTC: U012500

Steering Open

Steering angle sensor open detection

Normal / Under intermittent

Normal: Normal

Under intermittent: Momentary interruption

Related DTC: U012687

Brake Hold Ready

Brake hold control permission status

Not in stand-by mode / Stand-by mode

Not in stand-by mode: Brake hold function not operating (brake hold standby indicator light not illuminated)

Stand-by mode: Brake hold function stand-by state (brake hold standby indicator light illuminated)

-

IGR Voltage

IGR voltage value

(value detected by ECU)

Min.: 0.0 V, Max.: 25.5 V

Ignition switch ON:11.0 to 14.0 V

-

+BS Voltage

+BS voltage value (value detected by ECU)

Min.: 0.0 V, Max.: 25.5 V

Ignition switch ON:11.0 to 14.0 V

Changes in proportion to battery voltage

HINT:

This is the voltage detected at terminal +BS (which supplies power to each solenoid) of the skid control ECU (brake actuator assembly)

+BM Voltage

BM voltage value (value detected by ECU)

Min.: 0.0 V, Max.: 25.5 V

Ignition switch ON:11.0 to 14.0 V

Changes in proportion to battery voltage

HINT:

This is the voltage detected at terminal +BM (which supplies power to the ABS motor) of the skid control ECU (brake actuator assembly)

Yaw Rate Sensor 1 Higher Resolution Signal

Yaw rate sensor 1 higher resolution signal

Min.: -327.68deg/sec, Max.: 327.67deg/sec

Turning right:-327.68 to 0.00deg/sec

Turning left: 0.00 to 327.67 deg/sec

-

Yaw Rate Sensor 2 Higher Resolution Signal

Yaw rate sensor 2 higher resolution signal

Min.: -327.68deg/sec, Max.: 327.67deg/sec

Turning right:-327.68 to 0.00deg/sec

Turning left: 0.00 to 327.67 deg/sec

-

GL1 GX Sensor Higher Resolution Signal

GL1 GX sensor higher resolution signal

Min.: -32768 mG, Max.: 32767 mG

During deceleration: -32768 to 0 mG

During acceleration: 0 to 32767 mG

-

GL2 GY Sensor Higher Resolution Signal

GL2 GY sensor higher resolution signal

Min.: -32768 mG, Max.: 32767 mG

Turning right: -32768 to 0 mG

Turning left: 0 to 32767 mG

-

Brakes Specifications Change by C-BEST

Brakes specifications change by C-BEST

None / Exist

-

-

  • *1: for entering inspection mode: Click here 2023 - 2025 MY Corolla Corolla Hatchback GR Corolla [11/2022 -        ]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for Gasoline Model with Electric Parking Brake System): UTILITY

    *2: for performing Dealer Mode (Signal Check): Click here 2023 - 2025 MY Corolla Corolla Hatchback GR Corolla [11/2022 -        ]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for Gasoline Model with Electric Parking Brake System): TEST MODE PROCEDURE

    *3: for entering Dealer Mode (Calibration): Click here 2023 - 2025 MY Corolla Corolla Hatchback GR Corolla [11/2022 -        ]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for Gasoline Model with Electric Parking Brake System): UTILITY

CLEAR FREEZE FRAME DATA

(a) Turn the ignition switch off.

(b) Connect the GTS to the DLC3.

(c) Turn the ignition switch to ON.

(d) Turn the GTS on.

(e) Enter the following menus: Chassis / Brake/EPB / Trouble Codes.

Click here 2023 MY Corolla Corolla Hatchback GR Corolla [11/2022 - 08/2023]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for Gasoline Model with Electric Parking Brake System): DTC CHECK / CLEAR 2024 - 2025 MY Corolla Corolla Hatchback GR Corolla [08/2023 -        ]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for Gasoline Model with Electric Parking Brake System): DTC CHECK / CLEAR

Chassis > Brake > Clear DTCs

(f) Press the DTC clear button.

NOTICE:

Clearing the DTCs will also clear the Freeze Frame Data.