AUTOMATIC HEADLIGHT BEAM LEVEL CONTROL SYSTEM FREEZE FRAME DATA


  1. FREEZE FRAME DATA


    1. Whenever an automatic headlight beam level control system DTC is stored, the headlight ECU sub-assembly LH stores the current vehicle state as freeze frame data.

  2. CHECK FREEZE FRAME DATA


    1. Connect the GTS to the DLC3.

    2. Turn the engine switch on (IG).

    3. Turn the GTS on.

    4. Enter the following menus: Body Electrical / HL AutoLeveling*1 or AFS*2 / Trouble Codes.


      • *1: for Single Beam Headlight

      • *2: for Triple Beam Headlight

    5. Select a DTC to display its freeze frame data.


      Body Electrical > HL AutoLeveling
      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      +B Headlight ECU sub-assembly LH IG power supply voltage value 0 to 19.75 V 11.00 to 14.00 V -
      Height Sens Pw Supply Val Rear height control sensor sub-assembly RH power supply value 0 to 5.00 V 4.61 to 5.00 V -
      Rr Height Sens Signal Val Rear height control sensor sub-assembly RH signal value 0 to 5.00 V 0.50 to 4.50 V Value changes according to vehicle height
      +B Voltage Value Headlight ECU sub-assembly LH +B power supply voltage value 0 to 19.75 V 11.00 to 14.00 V -
      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

      		 -
      DRL Operating State Daytime running light state ON or OFF

      ON: Daytime running lights on

      OFF: Daytime running lights off

      		 -
      Steering Sensor Signal Steering sensor signal value -384.0 deg to 382.5 deg Condition can be displayed -
      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 -
      Clearance Light State Clearance light state ON or OFF

      ON: Clearance lights on

      OFF: Clearance lights off

      		 -
      Right Cornering Light State Cornering light RH state ON or OFF

      ON: Cornering light LH on

      OFF: Cornering light LH off

      		 *
      Left Cornering Light State Cornering light LH state ON or OFF

      ON: Cornering light RH on

      OFF: Cornering light RH off

      		 *
      Number Of Trouble Codes Number of stored DTCs when Freeze Frame Data stored 0 to 255 0 to 255 -

      • *: w/ Cornering Light


      Body Electrical > AFS
      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      Traveling Direction Traveling direction Not Fwd or Fwd

      Not Fwd: Shift lever in R or N position

      Fwd: Shift lever not in R or N position

      		 -
      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

      		 -
      DRL State Daytime running light state ON or OFF

      ON: Daytime running lights on

      OFF: Daytime running lights off

      		 -
      Clearance Light State Clearance light state ON or OFF

      ON: Clearance lights on

      OFF: Clearancelights off

      		 -
      Right Cornering Light State Cornering light RH state ON or OFF

      ON: Cornering light RH on

      OFF: Cornering light RH off

      		 *
      Left Cornering Light State Cornering light LH state ON or OFF

      ON: Cornering light LH on

      OFF: Cornering light LH off

      		 *
      Engine Engine condition Run or Stop

      Run: Engine is running

      Stop: Engine is stopped

      		 -
      Passing Light Switch Dimmer switch high flash position (pass) signal ON or OFF

      ON: Dimmer switch in high flash position

      OFF: Dimmer switch not in high flash position

      		 -
      Steering Sens Signal Steering sensor signal value -384.0 deg to 382.5 deg 0.0 deg -
      FR Wheel Speed Front right wheel speed 0.00 to 260.00 km/h (162.00 mph) Vehicle stopped: 0 km/h (0 mph) -
      FL Wheel Speed Front left wheel speed 0.00 to 260.00 km/h (162.00 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

      		-
      Leveling Motor Slave Status of the headlight leveling motor slave Normal or Abnormal

      Normal: Headlight leveling motor is normal

      Abnormal: Headlight leveling motor is not normal

      		 If operation is abnormal, there may be a LIN communication error
      Leveling Motor Over-Run Status of the headlight leveling motor over-run Normal or Abnormal

      Normal: Headlight leveling motor is normal

      Abnormal: Headlight leveling motor is not normal

      		 If operation is abnormal, there may be a LIN communication error
      +B Headlight ECU sub-assembly LH IG power supply voltage value 0 to 19.75 V 11.00 to 14.00 V -
      +B Voltage Value Headlight ECU sub-assembly LH +B power supply voltage value 0 to 19.75 V 11.00 to 14.00 V -
      Number Of Trouble Codes Number of stored DTCs when Freeze Frame Data stored 0 to 255 0 to 255 -

      • *: w/ Cornering Light

  3. CLEAR FREEZE FRAME DATA

    Note

    Clearing the DTCs will also clear the freeze frame data.


    1. Connect the GTS to the DLC3.

    2. Turn the engine switch on (IG).

    3. for Single Beam Headlight:


      1. Clear the DTCs and freeze frame data.

        Click here


        Body Electrical > HL AutoLeveling > Clear DTCs

    4. for Triple Beam Headlight:


      1. Clear the DTCs and freeze frame data.

        Click here


        Body Electrical > AFS > Clear DTCs