Freeze Frame Data [10/2016 - 09/2020]
- FREEZE FRAME DATA
- Whenever an ABS DTC is detected, the skid control ECU (brake actuator assembly) stores the current vehicle (ECU or sensor) state as Freeze Frame Data.
- The skid control ECU (brake actuator assembly) stores the number of times (maximum: 31) the engine switch has been turned from off to on (IG) since the last time the ABS was activated.
HINT:
- If the vehicle is stopped or driven at a low speed (7 km/h (4.3 mph) or less), or if a DTC is detected, the skid control ECU (brake actuator assembly) will stop counting the number.
- Freeze Frame Data at the time the ABS operates:
The skid control ECU (brake actuator assembly) stores and updates data whenever the ABS 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 (brake actuator assembly) stores data at the time a DTC is detected, no updates will be performed until the data is cleared.
- CHECK FREEZE FRAME DATA
- Turn the engine switch off.
- Connect the Techstream to the DLC3.
- Turn the engine switch on (IG).
- Turn the Techstream on.
- Enter the following menus: Chassis / ABS/VSC/TRAC / Trouble Codes.
Chassis > ABS/VSC/TRAC > Trouble Codes
- Select a DTC to display its Freeze Frame Data.
Chassis > ABS/VSC/TRAC
Tester Display Measurement Item Range Normal Condition Diagnostic Note FR Speed Open Front speed sensor RH open detection Error or Normal Error: Momentary interruption
Normal: Normal- FL Speed Open Front speed sensor LH open detection Error or Normal Error: Momentary interruption
Normal: Normal- RR Speed Open Rear speed sensor RH open detection Error or Normal Error: Momentary interruption
Normal: Normal- RL Speed Open Rear speed sensor LH open detection Error or Normal Error: Momentary interruption
Normal: Normal- EFI Communication Open ECM communication open detection Error or Normal Error: Momentary interruption
Normal: Normal- Yaw Rate Open Yaw rate sensor open detection Error or Normal Error: Momentary interruption
Normal: Normal- Deceleration Open Acceleration sensor open detection Error or Normal Error: Momentary interruption
Normal: Normal- Steering Open Steering angle sensor open detection Error or Normal Error: Momentary interruption
Normal: Normal- Master Cylinder Open Master cylinder pressure sensor open detection Error or Normal Error: Momentary interruption
Normal: Normal- FR Speed Sensor Voltage Open Front speed sensor RH voltage open detection Error or Normal Error: Momentary interruption
Normal: Normal- FL Speed Sensor Voltage Open Front speed sensor LH voltage open detection Error or Normal Error: Momentary interruption
Normal: Normal- RR Speed Sensor Voltage Open Rear speed sensor RH voltage open detection Error or Normal Error: Momentary interruption
Normal: Normal- RL Speed Sensor Voltage Open Rear speed sensor LH voltage open detection Error or Normal Error: Momentary interruption
Normal: Normal- M/C Pressure Sensor Noise Master cylinder pressure sensor noise detection Error or Normal Error: Momentary interruption
Normal: Normal- Brake Pedal Switch Open Brake pedal load sensing switch open detection Error or Normal Error: Momentary interruption
Normal: Normal- Yaw Rate Sensor Voltage Open Yaw rate sensor voltage open detection Error or Normal Error: Momentary interruption
Normal: Normal- EFI Communication Invalid ECM communication invalid detection Error or Normal Error: Invalid
Normal: Normal- Number of IG ON Number of times engine switch turned on (IG) after Freeze Frame Data stored 0 to 31 - - Elapsed Time Time elapsed after engine switch turned on (IG) Min.: 0 sec, Max.: 100661 sec - - Stop Light SW Stop light switch assembly ON or OFF ON: Brake pedal depressed
OFF: Brake pedal released- Parking Brake SW Parking brake switch assembly ON or OFF ON: Parking brake applied
OFF: Parking brake released- Gear Position Gear position information P, N, R, 1st-8th, Fail or Not R Actual gear position - Shift Lever Position Shift lever position information P, N, R, D/M, 1st-6th/B or Fail Actual shift lever position - Operated System Operated system status ABS, VSC, TRAC, BA, HAB, PBA, PB, HA-CTRL, TSC, Fail, Sys or Non Actual operated system ABS: ABS activated
VSC: VSC activated
TRAC: TRAC activated
BA: BA activated
HAB: High power assist brake activated
PBA: PBA activated
PB: PB activated
HA-CTRL: Hill-start assist control activated
TSC: Trailer sway control activated*
Fail: Fail safe mode activated
Sys: System prohibit activated
Non: No operation activatedM/C Sensor Grade Master cylinder pressure sensor change 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 pedal movement speed Yaw Rate Sensor 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- 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 wheel speed sensor RH reading 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 wheel speed sensor LH reading 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 wheel speed sensor RH reading 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 wheel speed sensor LH reading 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 reading 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 Grade Vehicle speed grade Min.: -25.10 m/s2 , Max.: 24.90 m/s2 Vehicle stopped: 0.00 m/s2 During driving: Changes in proportion with vehicle acceleration/deceleration Real Engine Torque Real engine torque Min.: -1024.0 Nm, Max.: 1023.0 Nm - - Accelerator Opening Angle % Percentage of accelerator pedal opening angle Min.: 0.0%, Max.: 127.0% Accelerator pedal released: 0.0% During accelerator pedal operation: Changes in proportion with the pedal movement BS1 Voltage Value +BS voltage value Min.: 0.00 V, Max.: 20.00 V Engine switch on (IG): 11 to 14 V Changes in proportion to battery voltage FR Target Oil Pressure The value of the target oil pressure applied to the front brake RH Min.: 0 Mpa, Max.: 20 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 Mpa, Max.: 20 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 Mpa, Max.: 20 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 Mpa, Max.: 20 Mpa - Operating the brake pedal: Varies depending on the target oil pressure Brake Pedal Load Sensing SW Brake pedal load sensing switch ON or OFF ON: Brake pedal depressed
OFF: Brake pedal released- Inspection Mode Inspection mode Other or Inspect Other: Normal mode
Inspect: Inspection mode- Steering Angle Sensor Steering angle sensor Min.: -3276.8°, Max.: 3276.7° Turning left: Increases
Turning right: Decreases- TRAC/VSC Off Mode TRAC/VSC off mode Normal, TRAC OFF or VSC OFF Normal: Normal mode
TRAC OFF: TRAC off mode
VSC OFF: VSC off mode- Power Train Driving force Power train driving force that is currently occurring Min.: -327680 N, Max.: 327670 N - - Master Cylinder Pressure Master cylinder pressure sensor pressure Min.: 0.00 Mpa, Max.: 23.28 Mpa Proportional to pedal force: Pedal operated
0.00 Mpa: Pedal released- Master Cylinder Sensor Temperature Master cylinder pressure sensor temperature Min.: -80°C (-112°F), Max.: 175°C (347°F) - Displays current master cylinder temperature Vehicle Stop Time from IG ON Time vehicle stopped after engine switch turned on (IG) Min.: 0 s, Max.: 1275 s - - Travel Distance from IG ON Driving time after engine switch turned on (IG) Min.: 0 s, Max.: 1275 s - - Engine Revolutions Engine speed Min.: 0 rpm, Max.: 25500 rpm - - Motor Power Supply Voltage Motor power supply voltage Min.: 0.00 V, Max.: 20.00 V Engine switch on (IG): 11 to 14 V Changes in proportion to battery voltage Solenoid Power Supply Voltage Solenoid power supply voltage Min.: 0.00 V, Max.: 20.00 V Engine switch on (IG): 11 to 14 V Changes in proportion to battery voltage MT Voltage Value Motor voltage value Min.: 0.00 V, Max.: 20.00 V - Changes in proportion to battery voltage Stop Light Relay State for ECU Control Stop light control relay (for ECU control) ON or OFF ON: Stop light control relay operating
OFF: Stop light control relay not operating- Engine Stop by Stop and Start System Engine stopped by stop and start system status ON or OFF ON: Engine stopped by stop and start control
OFF: Engine not stopped by stop and start controlThis item is displayed on the Techstream but is not used Solenoid State for ECU Control Solenoid (for ECU control) status ON or OFF ON: Solenoid relay operating
OFF: Solenoid relay not operating- Motor State for ECU Control Motor (for ECU control) status ON or OFF ON: Motor relay operating
OFF: Motor relay not operating- Operation History of IG OFF while Vehicle is moving History of engine switch turned off when vehicle is in motion ON or OFF ON: History of engine switch turned off with vehicle speed 3 km/h (2 mph) or higher
OFF: No history- Master Cylinder Pressure Sensor Power Supply Open Master cylinder pressure sensor power supply voltage status Error or Normal Error: Momentary interruption
Normal: Normal- Solenoid Power Supply Open Solenoid power supply voltage status Error or Normal Error: Momentary interruption
Normal: Normal- Motor Power Supply Open Motor power supply voltage status Error or Normal Error: Momentary interruption
Normal: Normal- Stop Switch Open Momentary interruption (open circuit) status in the wire harness between the skid control ECU (brake actuator assembly) and the stop light switch assembly Error or Normal Error: Momentary interruption
Normal: Normal- IG Switch Engine switch on (IG) status ON or OFF - - Elapsed Time after Freeze Trigger Elapsed time after storing freeze frame data Min.: 0 msec, Max.: 1020 msec - - HINT:
*: Not supported
- CLEAR FREEZE FRAME DATA NOTE:
Clearing the DTCs will also clear the Freeze Frame Data.
- Turn the engine switch off.
- Connect the Techstream to the DLC3.
- Turn the engine switch on (IG).
- Clear the DTCs and Freeze Frame Data.
Refer to DTC CHECK / CLEAR [10/2016 - 09/2020]
Chassis > ABS/VSC/TRAC > Clear DTCs