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Home >> Lexus >> 2021 >> RC 350 Base, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 57 (Automatic Headlight Beam Level Control System (Single Beam Headlight) - Diagnostics - Introduction) >> AUTOMATIC HEADLIGHT BEAM LEVEL CONTROL SYSTEM (for Single Beam Headlight) >> Freeze Frame Data [09/2014 - 10/2018] >> Freeze Frame Data [09/2014 - 10/2018]

Freeze Frame Data [09/2014 - 10/2018]

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  1. FREEZE FRAME DATA 
    1. Whenever an automatic headlight beam level control system DTC is stored, the headlight leveling ECU assembly stores the current vehicle state 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: Body Electrical / HL AutoLeveling / Trouble Codes.
    5. Select a DTC to display its freeze frame data.

      Body Electrical > HL AutoLeveling 

      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      +B IG power supply voltage value 0.00 to 19.75 V 11.00 to 14.00 V -
      Height Sens Pw Supply Val Height control sensor power supply value 0.00 to 5.00 V 4.61 to 5.00 V -
      Rr Height Sens Signal Val Rear height control sensor signal value 0.00 to 5.00 V 0.50 to 4.50 V Value changes according to vehicle height
      Headlight Low Beam State Low beam headlight state ON or OFF ON: Low beam headlights on
      OFF: Low beam headlights off      		 -
      Headlight High Beam State High beam headlight state ON or OFF ON: High beam headlights on
      OFF: High beam headlights off      		 -
      Front Right Wheel Speed Value Front right wheel speed 0.00 to 327.67 km/h (203.61 mph) Vehicle stopped: 0 km/h (0 mph) -
      Front Left Wheel Speed Value Front left wheel speed 0.00 to 327.67 km/h (203.61 mph) Vehicle stopped: 0 km/h (0 mph) -
      Vehicle Acceleration Vehicle acceleration -455.64 to 445.60 m/s2 Vehicle stopped: 0.0 m/s2 -
      Number Of Trouble Codes Number of stored DTCs when Freeze Frame Data stored 0 to 255 0 to 255 -
  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 - 10/2018] 

      Body Electrical > HL AutoLeveling > Clear DTCs 

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