ADAPTIVE HIGH BEAM SYSTEM DATA LIST / ACTIVE TEST


  1. DATA LIST

    Note

    In the table below, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when deciding whether a part is faulty or not.

    Tech Tips

    Using the GTS to read the Data List allows the values or states of switches, sensors, actuators and other items to be read without removing any parts. This non-intrusive inspection can be very useful because intermittent conditions or signals may be discovered before parts or wiring is disturbed. Reading the Data List information early in troubleshooting is one way to save diagnostic time.


    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 / Main Body or AFS / Data List.

    5. Read the Data List according to the display on the GTS.


      Body Electrical > Main Body > Data List
      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      AFS/AHS ECU High Beam Control Adaptive high beam system control function Not Apply or Apply

      Not Apply: Adaptive high beam system control unavailable

      Apply: Adaptive high beam system control valid

      		 -
      AFS/AHS ECU High Beam Light Status Adaptive high beam system high beam operation status ON or OFF

      ON: Adaptive high beam system high beam on

      OFF: Adaptive high beam system high beam off

      		 -

      Body Electrical > AFS > Data List
      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      AHS Switch Combination switch assembly (adaptive high beam switch) signal ON or OFF

      ON: Combination switch assembly (adaptive high beam switch) is on

      OFF: Combination switch assembly (adaptive high beam switch) is off

      		 -
      Clearance Light State Clearance light state ON or OFF

      ON: Clearance lights on

      OFF: Clearance lights off

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

      ON: Cornering light RH on

      OFF: Cornering light RH off

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

      ON: Cornering light LH on

      OFF: Cornering light LH off

      		 -
      Daylight Operating State Daytime running light state ON or OFF

      ON: Daytime running lights on

      OFF: Daytime running lights off

      		 The display is different depending on the destination.
      +B Voltage Value Headlight ECU sub-assembly LH +B power supply voltage value 0 to 19.75 V 11 to 14 V -
      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

      		 -
      Steering Sensor Initialization Status Steering sensor initialization state Incomplete or Completed

      Incomplete: Steering sensor zero point calibration incomplete

      Completed: Steering sensor zero point calibration completed

      		 -
      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

      		 The display is different depending on the destination.
      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

      		 -
      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 met

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

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

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

      		 -
      AHS Function

      • Adaptive high beam system ON/OFF setting

      • Operates as automatic high beam system when set to OFF

      		 ON or OFF Customize setting displayed -
      Residential Area Mode Setting Adaptive high beam system residential mode setting ON or OFF Customize setting displayed -
      AFS (Electronic Swivel) Function Adaptive high beam system swivel function setting ON or OFF Customize setting displayed -
      Leading Vehicle Low Beam Range Adjust Function Projection distance adjustment of the low beams according to the distance to a preceding vehicle ON or OFF Customize setting displayed -
      Left Headlight Shade Angle Setting Left headlight shade angle setting Standard, Small or Large Customize setting displayed -
      Right Headlight Shade Angle Setting Right headlight shade angle setting Standard, Small or Large Customize setting displayed -
      Left and Right Leveling Motor Target Value (Integer) Left and right headlight leveling motor target value (Integer) 0 to 31 mm Changes according to the position of the headlight leveling motor -
      Left and Right Leveling Motor Target Value (Fraction) Left and right headlight leveling motor target value (Fraction) 0 to 0.9961 mm Changes according to the position of the headlight leveling motor -
      Left Leveling Motor Current Value (Integer) Current left headlight leveling motor target value (Integer) 0 to 31 mm Changes according to the position of the headlight leveling motor -
      Left Leveling Motor Current Value (Fraction) Current left headlight leveling motor target value (Fraction) 0 to 0.9961 mm Changes according to the position of the headlight leveling motor -
      Right Leveling Motor Current Value (Integer) Current right headlight leveling motor target value (Integer) 0 to 31 mm Changes according to the position of the headlight leveling motor -
      Right Leveling Motor Current Value (Fraction) Current right headlight leveling motor target value (Fraction) 0 to 0.9961 mm Changes according to the position of the headlight leveling motor -
      AHS Operation Speed Pattern Setting Adaptive high beam system speed pattern setting Pattern 1, Pattern 2 or Pattern 3 Customize setting displayed -
      +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 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 -
      Steering Sens Signal Steering sensor signal value -384.0 deg to 382.5 deg 0.0 deg -
      Steering Sens Center Pos Steering sensor center position -3072.0 deg to 3070.5 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 Speed Vehicle speed 0.00 to 260.00 km/h (162.00 mph) Vehicle stopped: 0 km/h (0 mph) -
      Rear Height Adjust Valid Flag Rear height adjustment range Valid or Invalid

      Valid: Rear height control sensor sub-assembly RH value within normal range

      Invalid: Rear height control sensor sub-assembly RH value out of normal range

      		 -
      Init Writing Count Number of times initialization performed 0 to 255 Number of times initialization performed -
      Sensor Initialization Hist Sensor initialization history not comp, 10%, 25%, 50%, 75%, 100% or completed

      • not comp: Headlight ECU sub-assembly LH not initialized after replacing.

      • 10%: Initialization completed when fuel tank was 10% full

      • 25%: Initialization completed when fuel tank was 25% full

      • 50%: Initialization completed when fuel tank was 50% full

      • 75%: Initialization completed when fuel tank was 75% full

      • 100%: Initialization completed when fuel tank was 100% full

      • completed: ECU not replaced and ECU has not been initialized at workshop.

      		 -
      Number Of Trouble Codes Number of trouble codes 0 to 255 Number of stored DTCs displayed -

  2. ACTIVE TEST

    Tech Tips

    Using the GTS to perform Active Tests allows relays, VSVs, actuators and other items to be operated without removing any parts. This non-intrusive functional inspection can be very useful because intermittent operation may be discovered before parts or wiring is disturbed. Performing Active Tests early in troubleshooting is one way to save diagnostic time. Data List information can be displayed while performing Active Tests.


    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 / AFS / Active Test.

    5. Perform the Active Test according to the display on the GTS.


      Body Electrical > AFS > Active Test
      Tester Display Measurement Item Control Range Diagnostic Note
      Drive The Leveling Motor Headlight leveling motor upward or downward operation Stop, Down or Up Perform with the vehicle stopped, engine switch on (IG) and low beam headlights illuminated.
      High Beam Indicator High beam indicator light ON or OFF -
      Advice Display "To Activate AHS, Switch Headlights to High Beam" display ON or OFF -
      Auto High Beam Control Indicator Adaptive high beam indicator light ON or OFF -
      Auto High Beam Warning Indicator "Headlight System Malfunction Visit Your Dealer" display ON or OFF -
      Clearance Light Clearance lights ON or OFF -
      Headlight Low Beam Low beam headlights ON or OFF -
      Headlight High Beam High beam headlights ON or OFF -
      Daytime Running Light Daytime running lights ON or OFF -
      Cornering Light Cornering lights ON or OFF -
      Headlight Indicator "Headlight System Malfunction Visit Your Dealer" display ON or OFF -