Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Freeze Frame Data
- FREEZE FRAME DATAÂ
- Whenever an ABS DTC is detected, 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 engine switch has been turned from off to on (IG) since the last time the ABS was activated.
HINT:
- However, if the vehicle is stopped or 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.
- 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 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.
- CHECK FREEZE FRAME DATAÂ
- Connect Techstream to the DLC3.
- Turn the engine switch on (IG).
- On the tester display, select the Freeze Frame Data.
ABS/VSC/TRAC:Â
ABS/VSC/TRAC - TESTER DISPLAY REFERENCETester Display Measurement Item Reference Value Elapsed Time after Freeze Trigger Elapsed time after freeze trigger Min: 0 ms, Max.: 500 ms Number of IG ON Number of operations of ignition switch on (IG) 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
1st
2nd
3rd
4th
5th
6th
7th
8th
P, N
R
NOT RShift Lever Position Shift lever position information FAIL
1st
2nd
3rd
4th
5th
6th/B
D/M
P, N
ROperated System Operated system status ABS activated ABS
VSC activated: VSC
TRAC activated: TRC
BA activated. BA
Fail safe mode activated: FAIL
No system activated. NON
System prohibited: SYSMaster Cylinder Sensor Master cylinder pressure sensor reading Brake pedal released: 0.3 to 0.5 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 mph (0 km/h), Max.: 202 mph (326 4 km/h) FL Wheel Speed FL wheel speed Min.: 0 mph (0 km/h), Max.: 202 mph (326.4 km/h) RR Wheel Speed RR wheel speed Min.: 0 mph (0 km/h), Max.: 202 mph (326.4 km/h) RL Wheel Speed RL wheel speed Min.: 0 mph (0 km/h), Max.: 202 mph (326 4 km/h) Vehicle Speed Vehicle speed reading Min.: 0 mph (0 km/h), Max.: 202 mph (326.4 km/h) Vehicle Speed Grade Vehicle speed grade Min.: -25.11 m/s2 , Max.: 24.91 m/s2 Real Engine Torque Real engine torque Min.: -1,024 Nm, Max.: 1,023 Nm Accelerator Opening Angle % Accelerator opening angle % Min.: 0 %, Max.: 128% Brake pedal Load Sensing SW Brake pedal load sensing switch signal Brake pedal load sensing switch ON: ON, OFF: OFF Inspection Mode Inspection mode OTHER. Normal, INSPECT. Service Steering Angle Sensor Steering angle sensor reading Left turn. Increase
Right turn: DecreasePre Crash Brake OFF Switch Pre crash brake OFF switch signal Pre crash brake OFF switch ON: ON, OFF: OFF
- CLEAR FREEZE FRAME DATAÂ NOTE: Clearing the DTC will also clear the Freeze Frame Data.
- Connect Techstream to the DLC3.
- Turn the engine switch on (IG).
- Clear the DTC and Freeze Frame Data.
HINT:
Refer to Techstream operator's manual for further details.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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