AUTOMATIC HEADLIGHT BEAM LEVEL CONTROL SYSTEM FREEZE FRAME DATA


  1. FREEZE FRAME DATA


    1. Whenever a DTC is detected, the headlight ECU sub-assembly stores the current vehicle (sensor) state as freeze frame data.

  2. CHECK FREEZE FRAME DATA


    1. for Triple Beam Headlight:


      1. Connect the GTS to the DLC3.

      2. Turn the engine switch on (IG).

      3. Turn the GTS on.

      4. Turn the GTS on.

      5. Enter the following menus: Body Electrical / AFS

      6. According to the display on the GTS, select the trouble code data display with freeze frame data.


        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

        Fwd: Shift lever not in R or N
        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

        		 The display is different depending on the destination.
        Clearance Light State Clearance light state OFF or ON

        OFF: Clearance lights off

        ON: Clearance lights on

        		 -
        Right Cornering Light/Front Side Illuminate Light State Cornering light RH state OFF or ON

        OFF: Cornering light RH off

        ON: Cornering light RH on

        		 -
        Left Cornering Light/Front Side Illuminate Light State Cornering light LH state OFF or ON

        OFF: Cornering light LH off

        ON: Cornering light LH on

        		 -
        Daylight Operating State Daytime running light state OFF or ON

        OFF: Daytime running lights off

        ON: Daytime running lights on

        		 The display is different depending on the destination.
        Engine Engine condition Run or Stop

        Stop: Engine is stopped

        Run: Engine is running

        		 -
        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 (161.56 mph)

        Condition can be displayed

        Vehicle stopped: 0 km/h (0 mph)

        		 -
        FL Wheel Speed Front left wheel speed 0.00 to 260.00 km/h (161.56 mph)

        Condition can be displayed

        Vehicle stopped: 0 km/h (0 mph)

        		 -
        Vehicle Acceleration Vehicle acceleration

        -455.64 to 445.60 m/s2

        Condition can be displayed

        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 to 14 V -
        +B Voltage Value Headlight ECU sub-assembly LH +B power supply voltage value 0 to 19.75 V 11 to 14 V -
        Number Of Trouble Codes Number of trouble codes 0 to 255 Number of stored DTCs displayed -

    2. for Single Beam Headlight:


      1. Connect the GTS to the DLC3.

      2. Turn the engine switch on (IG).

      3. Turn the GTS on.

      4. Turn the GTS on.

      5. Enter the following menus: Body Electrical / HL AutoLeveling

      6. According to the display on the GTS, select the trouble code data display with 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 to 14 V -
        Height Sens Pw Supply Val Rear 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.
        +B Voltage Value Headlight ECU sub-assembly LH +B power supply voltage value 0 to 19.75 V 11 to 14 V -
        Headlight Low Beam State Low beam headlight state ON or OFF

        OFF: Low beam headlights off

        ON: Low beam headlights on

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

        OFF: High beam headlights off

        ON: High beam headlights on

        		 -
        DRL Operating State Daytime running light state ON or OFF

        OFF: Daytime running light off

        ON: Daytime running light on

        		 The display is different depending on the destination.
        Daylight Operating State Daytime running light state ON or OFF

        OFF: Daytime running light off

        ON: Daytime running light on

        		 The display is different depending on the destination.
        Steering Sensor Signal Steering angle sensor value -384 to 382.5 deg 0.0 deg 0.0 deg is displayed when steering wheel is centered.
        Front Right Wheel Speed Value Front right wheel speed 0.00 to 260.00 km/h (161.56 mph)

        Condition can be displayed

        Vehicle stopped: 0 km/h (0 mph)

        		 -
        Front Left Wheel Speed Value Front left wheel speed 0.00 to 260.00 km/h (161.56 mph)

        Condition can be displayed

        Vehicle stopped: 0 km/h (0 mph)

        		 -
        Vehicle Acceleration Vehicle acceleration

        -455.64 to 445.60 m/s2

        Condition can be displayed

        Vehicle stopped: 0.0 m/s2

        		-
        Clearance Light State Clearance light state ON or OFF

        ON: Clearance light on

        OFF: Clearance light 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

        		 -
        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 GTS to the DLC3.

    2. Turn the engine switch on (IG).

    3. Clear the DTCs and freeze frame data.

      Click here


      1. for Triple Beam Headlight:


        Body Electrical > AFS > Clear DTCs

      2. for Single Beam Headlight:


        Body Electrical > HL AutoLeveling > Clear DTCs