ADAPTIVE HIGH BEAM SYSTEM FREEZE FRAME DATA


  1. FREEZE FRAME DATA


    1. Whenever a adaptive high beam system DTC is stored, the No. 1 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 power switch on (IG).

    3. Turn the GTS on.

    4. Enter the following menus: Body Electrical / AHS / Trouble Codes.

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


      Body Electrical > AHS
      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      AHS Switch Adaptive high beam switch (No. 2 combination switch assembly) signal OFF or ON

      OFF: Adaptive high beam switch (No. 2 combination switch assembly) is not operated

      ON: Adaptive high beam switch (No. 2 combination switch assembly) is operated

      		 -
      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 OFF or ON

      OFF: Low beam headlights off

      ON: Low beam headlights on

      		 -
      Headlight High Beam State High beam headlight state OFF or ON

      OFF: High beam headlights off

      ON: High beam headlights on

      		 -
      DRL State Daytime running light state OFF or ON

      OFF: Daytime running lights off

      ON: Daytime running lights on

      		 -
      Clearance Light State Clearance light state OFF or ON

      OFF: Clearance lights off

      ON: Clearance lights on

      		 -
      Engine Ready signal Stop or Run

      Stop: Power switch not on (READY)

      Run: Power switch on (READY)

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

      OFF: Dimmer switch not in high flash position

      ON: Dimmer switch in high flash position

      		 -
      AHS Operation Condition Adaptive high beam system operation conditions Failure or Approval

      Failure: Adaptive high beam system operation conditions are not met

      Approval: Adaptive high beam system operation conditions are met

      		 -
      Optical Axis Control State Optical axis control state OFF or ON

      OFF: Optical axis control (function to tilt up the headlights to illuminate farther distances when driving at high speeds) is not being performed

      ON: Optical axis control (function to tilt up the headlights to illuminate farther distances when driving at high speeds) is being performed

      		 -
      Steering Sens Signal Steering sensor signal value -384.0 to 382.5 deg Changes according to the operation of the steering wheel -
      FR Wheel Speed Front right wheel speed 0.00 to 327.67 km/h (203.60 mph) Condition can be displayed -
      FL Wheel Speed Front left wheel speed 0.00 to 327.67 km/h (203.60 mph) Condition can be displayed -
      Vehicle Acceleration Vehicle acceleration

      -445.64 to 445.60 m/s2

      		Condition can be displayed -
      Leveling Motor Slave Status of the headlight leveling motor slave Normal or Abnoml

      Normal: Headlight leveling motor is normal

      Abnoml: 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 Abnoml

      Normal: Headlight leveling motor is normal

      Abnoml: Headlight leveling motor is not normal

      		 If operation is abnormal, there may be a LIN communication error
      AHS EDU Slave Status of the headlight light control ECU sub-assembly slave Normal or Abnoml

      Normal: Headlight light control ECU sub-assembly is normal

      Abnoml: Headlight light control ECU sub-assembly is not normal

      		 If operation is abnormal, there may be a LIN communication error
      AHS EDU Over-Run Status of the headlight light control ECU sub-assembly over-run Normal or Abnoml

      Normal: Headlight light control ECU sub-assembly is normal

      Abnoml: Headlight light control ECU sub-assembly is not normal

      		 If operation is abnormal, there may be a LIN communication error
      +B No. 1 headlight ECU sub-assembly LH IG power supply voltage value 0.00 to 19.75 V 11.00 to 14.00 V -
      +B Voltage Value No. 1 headlight ECU sub-assembly LH +B power supply voltage value 0.00 to 19.75 V 11.00 to 14.00 V -
      Number Of Trouble Codes Number of trouble codes 0 to 255 Number of stored DTCs displayed -

  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 power switch on (IG).

    3. Clear the DTCs and freeze frame data.

      Click here


      Body Electrical > AHS > Clear DTCs