AUTOMATIC HEADLIGHT BEAM LEVEL CONTROL 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 power switch on (IG).

    3. Turn the GTS on.

    4. Enter the following menus: Body Electrical / AFS / Data List.

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

      AFS
      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      Clearance Light State Clearance light state / ON or OFF

      ON: Clearance lights on

      OFF: Clearance lights off

      -
      +B Voltage Value Headlight ECU sub-assembly LH +B power supply voltage value / 0.00 to 19.75 11.00 to 14.00 V -
      Traveling Direction Traveling direction / Not Fwd or Fwd

      Not Fwd: Shift lever in R or N

      Fwd: Shift lever not in R or N

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

      Incomplete: Steering angle sensor initialization incomplete

      Completed: Steering angle sensor initialization complete

      -
      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

      -
      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

      -
      Left and Right Leveling Motor Target Value (Integer) Position commanded by headlight ECU sub-assembly to headlight leveling motor LH and RH (integer) / 0 to 31 mm Value changes according to position of headlight leveling motor -
      Left and Right Leveling Motor Target Value (Fraction) Position commanded by headlight ECU sub-assembly to headlight leveling motor LH and RH (fraction) / 0 to 0.9961 mm Value changes according to position of headlight leveling motor -
      Left Leveling Motor Current Value (Integer) Current position of headlight leveling motor LH (integer) / 0 to 31 mm Value changes according to position of headlight leveling motor -
      Left Leveling Motor Current Value (Fraction) Current position of headlight leveling motor LH (fraction) / 0 to 0.9961 mm Value changes according to position of headlight leveling motor -
      Right Leveling Motor Current Value (Integer) Current position of headlight leveling motor RH (integer) / 0 to 31 mm Value changes according to position of headlight leveling motor -
      Right Leveling Motor Current Value (Fraction) Current position of headlight leveling motor RH (fraction) / 0 to 0.9961 mm Value changes according to position of headlight leveling motor -
      +B Headlight ECU sub-assembly LH IG power supply voltage value / 0 to 19.75 V 11.00 to 14.00 V -
      Steering Sens Signal Steering angle sensor signal value / -384.0 deg to 382.5 deg 0.0 deg 0.0 deg is displayed when steering wheel is centered.
      Steering Sens Center Pos Steering angle sensor center position / -3072.0 deg to 3070.5 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 Speed Vehicle speed / 0.00 to 260.00 km/h (162.00 mph) Vehicle stopped: 0 km/h (0 mph) -
      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 power 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.

      AFS
      Tester Display Test Part Control Range Diagnostic Note
      Drive The Leveling Motor Leveling motor upward or downward operation Stop/Down/Up Perform the Active Test with the power switch is on (READY) and vehicle stopped
      Headlight Leveling Indicator "Headlight System Malfunction Visit Your Dealer" is displayed on the multi-information display. ON /OFF -