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Freeze Frame Data [09/2014 - ]

WARNING: This page is about a different car, the 2020 Lexus GS 350, 2019 Lexus GS 350, and 2018 Lexus GS 350. However, it is still accessible from the selected car via links, so may be relevant.
  1. FREEZE FRAME DATA 
    1. When a DTC is stored, the 4WD ECU assembly stores the current vehicle state as Freeze Frame Data.

      HINT: 

      Freeze Frame Data at the time a DTC is stored:

      • When the 4WD ECU assembly stores data at the time a DTC is stored, no updates will be performed until the data is cleared.
      • "Number of IG ON" is not stored as Freeze Frame Data.
  2. CHECK FREEZE FRAME DATA 
    1. Connect the Techstream to the DLC3.
    2. Turn the engine switch on (IG).
    3. Turn the Techstream on.
    4. Enter the following menus: Chassis / Four Wheel Drive / Trouble Codes.
    5. According to the display on the Techstream, select the trouble code data display with Freeze Frame Data.
      FOUR WHEEL DRIVE

      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      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) No large fluctuations when driving at a constant speed.
      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) No large fluctuations when driving at a constant speed.
      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) No large fluctuations when driving at a constant speed.
      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) No large fluctuations when driving at a constant speed.
      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) No large fluctuations when driving at a constant speed.
      Accelerator Opening Angle % Accelerator pedal depression amount / Min.: 0.0%, Max.: 127.0% When the accelerator pedal is released: 0% Changes in proportion to the movement of the pedal during accelerator pedal operation.
      Real Engine Torque Real engine torque / Min.: -1024 Nm, Max.: 1023 Nm - -
      Steering Angle Sensor Steering sensor / Min.: - 3276.8°, Max.: 3276.7° Left turn: Increase
      Right turn: Decrease      		 -
      IG1 Voltage Value IG1 voltage value / Min.: 0.00 V, Max.: 20.00 V Engine switch on (IG): 11 to 14 V -
      Stop Light SW Stop light switch / ON or OFF ON: Brake pedal depressed
      OFF: Brake pedal released      		 -
      Number of IG ON Number of operations of engine switch being turned on (IG) after storing Freeze Frame Data / 0 to 31 - -
  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 engine switch on (IG).
    3. Clear the DTCs and Freeze Frame Data (Refer to DTC CHECK / CLEAR [09/2014 - ] ).
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