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Freeze Frame Data [05/2019 - ]

WARNING: This page is about a different car, the 2021 Lexus NX 300h, 2020 Lexus NX 300h, and 2019 Lexus NX 300h. However, it is still accessible from the selected car via links, so may be relevant.
  1. DESCRIPTION 
    1. Whenever a road sign assist system DTC is stored, the forward recognition camera stores the current vehicle state (ECU and sensor information) as freeze frame data.
  2. CHECK FREEZE FRAME DATA 
    1. Connect the Techstream to the DLC3.
    2. Turn the power switch on (IG).
    3. Turn the Techstream on.
    4. Enter the following menus: Body Electrical / Road Sign Assist / Trouble Codes.

      Body Electrical > Road Sign Assist > Trouble Codes 

    5. According to the Techstream display, select a DTC that stored freeze frame data.
    6. Read the freeze frame data recorded when the DTC was stored.

      Body Electrical > Road Sign Assist 

      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      Total Distance Traveled - - - This item is displayed on the Techstream but is not used.
      Total Distance Traveled - Unit - - - This item is displayed on the Techstream but is not used.
      Traffic Sign Estimated Speed Unit - - - This item is displayed on the Techstream but is not used.
      Traffic Sign Estimated Traffic Division - - - This item is displayed on the Techstream but is not used.
      RSA Navigation Fusion Control RSA navigation fusion control setting OFF or ON OFF: RSA navigation fusion control off
      ON: RSA navigation fusion control on      		 -
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