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Home >> Toyota >> 2021 >> Venza XLE >> Repair and Diagnosis >> Accessories & Equipment >> Exterior Lights >> Automatic High Beam System - Diagnostic Codes & Symptom Tests >> Automatic High Beam System >> Automatic High Beam System does not Operate or Operation Indicator does not Illuminate [07/2020 - 10/2022] >> Procedure

Automatic High Beam System does not Operate or Operation Indicator does not Illuminate [07/2020 - 10/2022]: Procedure

  1. CHECK VEHICLE CONTROL HISTORY* 
    1. Using the Techstream, check for Vehicle Control History (RoB).

      Body Electrical > Front Recognition Camera (Front Lighting Control) > Utility 

      Tester Display
      Vehicle Control History (RoB)

      Result

      Result Proceed to
      Vehicle Control History X204E is not output A
      Vehicle Control History X204E is output B

    Result: 

    B 

    GO TO VEHICLE CONTROL HISTORY. Refer to  VEHICLE CONTROL HISTORY [07/2020 - ]  

    Result: 

    A 

    See step  2

  2. READ VALUE USING GTS 
    1. Read the Data List according to the display on the GTS.

      Chassis > Front Recognition Camera > Data List 

      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      Front Recognition Camera High Temperature 2 Forward recognition camera condition Not High Temperature or High Temperature Not High Temperature: 65°C (149°F) or lower
      High Temperature: 65°C (149°F) or higher      		 When "High Temperature" is displayed, the automatic high beam system is temporarily suspended.

      Chassis > Front Recognition Camera > Data List 

      Tester Display
      Front Recognition Camera High Temperature 2

      OK

      "Not High Temperature" is displayed on the GTS.

      HINT: 

      If "High Temperature" is displayed, move the vehicle to a cool place and allow the temperature of the forward recognition camera to decrease before continuing with troubleshooting.

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    END (TEMPORARY SUSPENSION OF AUTOMATIC HIGH BEAM SYSTEM DUE TO HIGH FORWARD RECOGNITION CAMERA TEMPERATURE) 

    Result: 

    OK 

    See step  3

  3. CHECK AUTOMATIC HIGH BEAM INDICATOR LIGHT 
    1. Check the operation of the automatic high beam indicator light.
      1. Turn the ignition switch to ON.
      2. Turn the light control switch to the AUTO or head position.
      3. Move the dimmer switch to the low position.
      4. Press the auto high beam switch.

      Result

      Result Proceed to
      OK (The automatic high beam indicator light and the auto high beam switch indicator illuminate) A
      NG (Automatic high beam indicator light does not illuminate) B
      NG (Auto high beam switch indicator does not illuminate) C
      NG (Automatic high beam indicator light and auto high beam switch indicator do not operate) D

    Result: 

    B 

    See step  6

    Result: 

    C 

    GO TO OTHER PROBLEM (Proceed to Automatic High Beam Switch Indicator does not Come ON). Refer to  Automatic High Beam Switch Indicator does not Come ON [07/2020 - ]  

    Result: 

    D 

    See step  9

    Result: 

    A 

    See step  4

  4. READ VALUE USING GTS 
    GTY770871Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    *1 Forward Recognition Camera
    (Automatic High Beam Sensor)
    *2 Work Light or Equivalent
    *a 100 mm or less
    1. Shine a light on the automatic high beam sensor.

      HINT: 

      If troubleshooting is being performed in a bright area, such as outside on a sunny day, it will not be necessary to perform this step.

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

      HINT: 

      As it may take time for the values in the Data List to change, wait at least 10 seconds before reading the Data List.

      Body Electrical > Main Body > Data List 

      Tester Display Measurement Item Normal Condition Reference Value Diagnostic Note
      Automatic High Beam Headlights Sensor Detection Status Automatic high beam sensor current state Undetected, N/A, No sens, Headlight, Taillight, Speed, Daytime, Village, Other sens, Change, Out of aim, SAE Mod, Aim adjust or LIN Err Condition can be displayed -

      Body Electrical > Main Body > Data List 

      Tester Display
      Automatic High Beam Headlights Sensor Detection Status

      OK

      "Daytime" is displayed on the GTS.

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPLACE FORWARD RECOGNITION CAMERA. Refer to  REMOVAL [07/2020 - 10/2022] 

    Result: 

    OK 

    See step  5

  5. READ VALUE USING GTS 
    GTY752756Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    *1 Cardboard or Equivalent Object
    *a 150 mm or more
    *b 3 mm or more
    1. Cover the automatic high beam sensor with an opaque object, such as cardboard.
      NOTE:
      • Make sure that there is no clearance between the cardboard or equivalent object and the area of the windshield glass in front of the automatic high beam sensor.
      • If there is any clearance, light may shine on the automatic high beam sensor and the value of the Data List will not change.
    2. Read the Data List according to the display on the GTS.

      HINT: 

      As it may take time for the values in the Data List to change, wait at least 10 seconds before reading the Data List.

      Body Electrical > Main Body > Data List 

      Tester Display Measurement Item Normal Condition Reference Value Diagnostic Note
      Automatic High Beam Headlights Sensor Detection Status Automatic high beam sensor current state Undetected, N/A, No sens, Headlight, Taillight, Speed, Daytime, Village, Other sens, Change, Out of aim, SAE Mod, Aim adjust or LIN Err Condition can be displayed -

      Body Electrical > Main Body > Data List 

      Tester Display
      Automatic High Beam Headlights Sensor Detection Status

      OK

      "Speed" is displayed on the GTS.

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [07/2020 - ] 

    Result: 

    NG 

    REPLACE FORWARD RECOGNITION CAMERA. Refer to  REMOVAL [07/2020 - 10/2022] 

  6. CONFIRM MODEL 
    1. Choose the model to be inspected.

      Result

      Result Proceed to
      for Multi-information Display (4.2 Inch Display) A
      for Multi-information Display (7 Inch Display) B

    Result: 

    B 

    See step  8

    Result: 

    A 

    See step  7

  7. PERFORM ACTIVE TEST USING GTS 
    1. Perform the Active Test according to the display on the GTS.

      Body Electrical > Combination Meter > Active Test 

      Tester Display Measurement Item Control Range Diagnostic Note
      Automatic High Beam Indicator (Green) Automatic high beam indicator light OFF or ON -

      Body Electrical > Combination Meter > Active Test 

      Tester Display
      Automatic High Beam Indicator (Green)

      OK

      The automatic high beam indicator illuminates and turns off.

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU). Refer to  REMOVAL [07/2020 - 10/2022] 

    Result: 

    NG 

    REPLACE COMBINATION METER ASSEMBLY. Refer to  REMOVAL [07/2020 - 10/2022] 

  8. PERFORM ACTIVE TEST USING GTS 
    1. Perform the Active Test according to the display on the GTS.

      Body Electrical > Combination Meter > Active Test 

      Tester Display Measurement Item Control Range Diagnostic Note
      Multi Display All (White) Multi-information display (White display) OFF or ON -

      Body Electrical > Combination Meter > Active Test 

      Tester Display
      Multi Display All (White)

      OK

      The multi-information display in the combination meter assembly turns on according to the operation of the Active Test.

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU). Refer to  REMOVAL [07/2020 - 10/2022] 

    Result: 

    NG 

    REPLACE COMBINATION METER ASSEMBLY. Refer to  REMOVAL [07/2020 - 10/2022] 

  9. READ VALUE USING GTS 
    1. Read the Data List according to the display on the GTS.

      Body Electrical > Main Body > Data List 

      Tester Display Measurement Item Normal Condition Reference Value Diagnostic Note
      Auto High Beam Main Switch Auto high beam switch signal OFF or ON OFF: Auto high beam switch not pressed
      ON: Auto high beam switch pressed      		 -

      Body Electrical > Main Body > Data List 

      Tester Display
      Auto High Beam Main Switch

      OK

      Normal conditions listed above are displayed.

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  11

    Result: 

    OK 

    See step  10

  10. READ VALUE USING GTS 
    1. Read the Data List according to the display on the GTS.

      Body Electrical > Main Body > Data List 

      Tester Display Measurement Item Normal Condition Reference Value Diagnostic Note
      Automatic High Beam Headlights Sensor Detection Status Automatic high beam sensor current state Undetected, N/A, No sens, Headlight, Taillight, Speed, Daytime, Village, Other sens, Change, Out of aim, SAE Mod, Aim adjust or LIN Err Condition can be displayed -

      Body Electrical > Main Body > Data List 

      Tester Display
      Automatic High Beam Headlights Sensor Detection Status

      OK

      "Daytime" or "Speed" is displayed on the GTS.

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU). Refer to  REMOVAL [07/2020 - 10/2022] 

    Result: 

    NG 

    REPLACE FORWARD RECOGNITION CAMERA. Refer to  REMOVAL [07/2020 - 10/2022] 

  11. INSPECT AUTO HIGH BEAM SWITCH 

    Refer to INSPECTION [07/2020 - ]

    Result

    Proceed to
    OK
    NG

    Result: 

    NG 

    REPLACE AUTO HIGH BEAM SWITCH. Refer to  REMOVAL [07/2020 - ] 

    Result: 

    OK 

    See step  12

  12. CHECK HARNESS AND CONNECTOR (AUTO HIGH BEAM SWITCH - MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) AND BODY GROUND) 
    1. Disconnect the E37 main body ECU (multiplex network body ECU) connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      E130-5 (+B) - E37-14 (AHBI) Always Below 1 Ω
      E130-5 (+B) or E37-14 (AHBI) - Body ground Always 10 kΩ or higher
      E130-2 (E) - Body ground Always Below 1 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU). Refer to  REMOVAL [07/2020 - 10/2022] 

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

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