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Home >> Lexus >> 2021 >> IS 350 AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 46 (Automatic Headlight Beam Level Control System - Diagnostics - Introduction) >> Automatic Headlight Beam Level Control System >> Freeze Frame Data [04/2013 - 10/2016] >> Freeze Frame Data [04/2013 - 10/2016]

Freeze Frame Data [04/2013 - 10/2016]

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  1. FREEZE FRAME DATA 
    1. Whenever a DTC is detected, the headlight leveling ECU assembly stores the current vehicle (sensor) 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. According to the display on the Techstream, select the trouble code data display with 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) Condition can be displayed -
      Front Left Wheel Speed Value Front left wheel speed 0.00 to 327.67 km/h (203.61 mph) Condition can be displayed -
      Vehicle Acceleration Vehicle acceleration -455.64 to 445.60 m/s2 Condition can be displayed -
      Number Of Trouble Codes Number of trouble codes 0 to 255 Condition can be displayed -
  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 [04/2013 - 09/2020] 

      Body Electrical > HL AutoLeveling > Clear DTCs 

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