LEMON Manuals: Even more car manuals for everyone
Home >> Lexus >> 2020 >> LS 500 Base, AWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Headlights >> Lighting System (Ext) - Diagnostics - Introduction (2 Of 3) >> Lighting System >> Freeze Frame Data [12/2017 - 09/2018] >> Freeze Frame Data [12/2017 - 09/2018]

Freeze Frame Data [12/2017 - 09/2018]

  1. FREEZE FRAME DATA 
    1. Whenever a lighting system DTC is stored, the headlight ECU sub-assembly and object recognition camera* stores the current vehicle state as freeze frame data.
      1. *: w/ AFS (Front-lighting Adaptive System)
  2. CHECK FREEZE FRAME DATA 
    1. Connect the Techstream to the DLC3.
    2. Turn the engine switch on (IG).
    3. Turn the Techstream on.
    4. Enter the following menus:
      1. Body Electrical / AFS / Trouble Codes.

        Body Electrical > AFS > Trouble Codes 

      2. Body Electrical / AFS (Sub) / Trouble Codes.

        Body Electrical > AFS (Sub) > Trouble Codes 

      3. w/ AFS (Front-lighting Adaptive System):

        Body Electrical / Front Recognition Camera (Front Lighting Control) / Trouble Codes.

        Body Electrical > Front Recognition Camera (Front Lighting Control) > Trouble Codes 

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

      Body Electrical > AFS 

      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      +B Voltage Value Headlight ECU sub-assembly LH +B power supply voltage value 0.00 to 19.75 V 11 to 14 V -
      Front Height Sensor Value Front height adjustment offset value Min.: 127 mm (5 in.), Max.: -128 mm (5.04 in.) Actual front height adjustment normal value is displayed (If there is a malfunction, no value is displayed) -
      Rear Height Sensor Value Rear height adjustment offset value Min.: 127 mm (5 in.), Max.: -128 mm (5.04 in.) Actual front height adjustment normal value is displayed (If there is a malfunction, no value is displayed) -
      +B Headlight ECU sub-assembly LH IG power supply voltage value 0.00 to 19.75 V 11 to 14 V -
      Height Sens Pw Supply Val Rear height control sensor sub-assembly LH power supply value 0.00 to 5.00 V 4.61 to 5.00 V -
      Rr Height Sens Signal Val Rear height control sensor sub-assembly LH signal value 0.00 to 5.00 V 0.50 to 4.50 V Value changes according to vehicle height
      AFS OFF Switch AFS OFF switch signal OFF or ON OFF: AFS OFF switch is not operated
      ON: AFS OFF switch is operated      		 Although this item is displayed on the Techstream, it is not applicable to this vehicle.
      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      		 -
      Clearance Light State Parking light state OFF or ON OFF: Parking lights off
      ON: Parking lights on      		 -
      Right Cornering Light/Front Side Illuminate Light State Cornering light RH/front side illuminate light RH state OFF or ON OFF: Cornering light RH/front side illuminate light RH off
      ON: Cornering light RH/front side illuminate light RH on      		 -
      Left Cornering Light/Front Side Illuminate Light State Cornering light LH/front side illuminate light LH state OFF or ON OFF: Cornering light LH/front side illuminate light LH off
      ON: Cornering light LH/front side illuminate light LH on      		 -
      Engine Engine condition signal Stop or Run Stop: Engine is stopped
      Run: Engine is running      		 -
      DRL Operating State Daytime running light state OFF or ON OFF: Daytime running lights off
      ON: Daytime running lights on      		 -
      Steering Sens Signal Steering sensor signal value -384.0 to 382.5 deg 0.0 deg (tires straight ahead) Turning left: Increases
      Turning right: Decreases
      FR Wheel Speed Front wheel speed sensor RH reading Min.: 0 km/h (0 mph), Max.: 327.67 km/h (203.61 mph) Condition can be displayed
      Vehicle stopped: 0 km/h (0 mph)      		 When driving at constant speed: No large fluctuations
      FL Wheel Speed Front wheel speed sensor LH reading Min.: 0 km/h (0 mph), Max.: 327.67 km/h (203.61 mph) Condition can be displayed
      Vehicle stopped: 0 km/h (0 mph)      		 When driving at constant speed: No large fluctuations
      Vehicle Acceleration Acceleration condition while driving the vehicle Min.: -445.64 m/s2 , Max.: 445.63 m/s2 Condition can be displayed -
      Swivel Motor Slave Status of the headlight swivel and leveling motor slave Normal or Abnoml Normal: Headlight swivel and leveling motor is normal
      Abnoml: Headlight swivel and leveling motor is not normal      		 If operation is abnormal, there may be a LIN communication error
      Swivel Motor Over-Run Status of the headlight swivel and leveling motor over-run Normal or Abnoml Normal: Headlight swivel and leveling motor is normal
      Abnoml: Headlight swivel and leveling motor is not normal      		 If operation is abnormal, there may be a LIN communication error
      Leveling Motor Slave Status of the headlight swivel and leveling motor slave Normal or Abnoml Normal: Headlight swivel and leveling motor is normal
      Abnoml: Headlight swivel and leveling motor is not normal      		 If operation is abnormal, there may be a LIN communication error
      Leveling Motor Over-Run Status of the headlight swivel and leveling motor over-run Normal or Abnoml Normal: Headlight swivel and leveling motor is normal
      Abnoml: Headlight swivel and leveling motor is not normal      		 If operation is abnormal, there may be a LIN communication error
      Number Of Trouble Codes Number of trouble codes 0 to 255 Number of stored DTCs displayed -

      Body Electrical > AFS (Sub) 

      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      +B Headlight ECU sub-assembly RH IG power supply voltage value 0 to 19.75 V 11 to 14 V -
      +B Voltage Value Headlight ECU sub-assembly RH +B power supply voltage value 0 to 19.75 V 11 to 14 V -
      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      		 -
      Clearance Light State Parking light state OFF or ON OFF: Parking lights off
      ON: Parking lights on      		 -
      DRL State(DRL Operating State) Daytime running light state OFF or ON OFF: Daytime running lights off
      ON: Daytime running lights on      		 -
      Number Of Trouble Codes Number of trouble codes 0 to 255 Number of stored DTCs displayed -

      w/ AFS (Front-lighting Adaptive System):

      Body Electrical > Front Recognition Camera (Front Lighting Control) 

      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      Total Distance Traveled Actual driving distance 0 to 16777215 Roughly the same as the actual driving distance -
      Total Distance Traveled - Unit Actual driving distance unit km or mile Displays the current actual driving distance unit -
  3. CLEAR FREEZE FRAME DATA 
    NOTE:

    Clearing the DTCs will also clear the freeze frame data.

    1. Connect the Techstream to the DLC3.
    2. Turn the engine switch on (IG).
    3. Clear the DTCs and freeze frame data.
    4. Enter the following menus:
      1. Body Electrical / AFS / Clear DTCs.

        Body Electrical > AFS > Clear DTCs 

      2. Body Electrical / AFS (Sub) / Clear DTCs.

        Body Electrical > AFS (Sub) > Clear DTCs 

      3. w/ AFS (Front-lighting Adaptive System):

        Body Electrical / Front Recognition Camera (Front Lighting Control) / Clear DTCs.

        Body Electrical > Front Recognition Camera (Front Lighting Control) > Clear DTCs 

scientia non olet · About LEMON Manuals