AUTOMATIC HEADLIGHT BEAM LEVEL CONTROL SYSTEM HOW TO PROCEED WITH TROUBLESHOOTING

CAUTION / NOTICE / HINT

PROCEDURE

1. VEHICLE BROUGHT TO WORKSHOP

   Result
   Proceed to NEXT

   
   

   NEXT

2. INSPECT BATTERY VOLTAGE

   
   

   1. Measure the battery voltage.

      Standard voltage
      11 to 14 V

      If the voltage is below 11 V, replace or recharge the battery before proceeding to the next step.

      Result
      Proceed to NEXT

   
   

   NEXT

3. CHECK VEHICLE STABILITY CONTROL SYSTEM*

   
   

   1. Use the GTS to check if the vehicle stability control system is functioning normally.

      Click here

      
      Chassis > ABS/VSC/TRC > Trouble Codes

      Result
      Result Proceed to Vehicle stability control system DTCs are not output A Vehicle stability control system DTCs are output B

   
   

   B

   GO TO VEHICLE STABILITY CONTROL SYSTEM Click here

   A

4. CHECK METER/GAUGE SYSTEM*

   
   

   1. Use the GTS to check if the Meter/gauge system is functioning normally.

      Click here

      
      Body Electrical > Combination Meter > Trouble Codes

      Result
      Result Proceed to Meter/gauge system DTCs are not output A Meter/gauge system DTCs are output B

   
   

   B

   GO TO METER/GAUGE SYSTEM Click here

   A

5. CHECK LIGHTING SYSTEM*

   
   

   1. Use the GTS to check if the lighting system is functioning normally.

      Click here

      
      Body Electrical > Main Body > Trouble Codes
      Body Electrical > HL AutoLeveling > Trouble Codes

      Result
      Result Proceed to Lighting system DTCs are not output A Lighting system DTCs are output B

   
   

   B

   GO TO LIGHTING SYSTEM Click here

   A

6. CHECK CAN COMMUNICATION SYSTEM*

   
   

   1. Use the GTS to check if the CAN communication system is functioning normally.

      for LHD:

      Click here

      for RHD:

      Click here

      Result
      Result Proceed to CAN communication system DTCs are not output A CAN communication system DTCs are output (for LHD) B CAN communication system DTCs are output (for RHD) C

   
   

   B

   GO TO CAN COMMUNICATION SYSTEM Click here

   C

   GO TO CAN COMMUNICATION SYSTEM Click here

   A

7. CHECK FOR DTC*

   
   

   1. Check for DTCs.

      Click here

      
      Body Electrical > HL AutoLeveling > Trouble Codes

   2. Clear the DTCs.

      Click here

      
      Body Electrical > HL AutoLeveling > Clear DTCs

   3. Recheck for DTCs.

      Click here

      
      Body Electrical > HL AutoLeveling > Trouble Codes

      Result
      Result Proceed to DTC output does not reoccur A DTC output reoccurs B

   
   

   B

   GO TO DIAGNOSTIC TROUBLE CODE CHART Click here

   A

8. PROBLEM SYMPTOMS TABLE

   
   

   1. Refer to Problem Symptoms Table.

      Click here

      Result
      Result Proceed to Fault is not listed in Problem Symptoms Table A Fault is listed in Problem Symptoms Table B

   
   

   B

   ADJUST, REPAIR OR REPLACE IN ACCORDANCE WITH PROBLEM SYMPTOMS TABLE

   A

9. OVERALL ANALYSIS AND TROUBLESHOOTING*

   
   

   1. Terminals of ECU.

      Click here

   2. Data List / Active Test.

      Click here

      Result
      Proceed to NEXT

   
   

   NEXT

10. ADJUST, REPAIR OR REPLACE

    Result
    Proceed to NEXT

    
    

    NEXT

11. CONFIRM TEST

    Result
    Proceed to NEXT

    
    

    NEXT

    END