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 power switch on (IG).

    3. Turn the GTS on.

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

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

      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

      Fwd: Shift lever not in R or N

      -
      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: Clearance lights off

      -
      Engine Engine condition / Run or Stop

      Run: Power switch on (READY)

      Stop: Power switch not on (READY)

      -
      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 0.0 deg is displayed when steering wheel is centered.
      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

      When Abnormal, LIN communication may be lost.
      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

      When Abnormal, LIN communication may be lost.
      +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 -
  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.