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. CUSTOMER PROBLEM ANALYSIS AND SYMPTOM CHECK

   Result
   Proceed to NEXT

   
   

   NEXT

3. INSPECT AUXILIARY BATTERY VOLTAGE

   
   

   1. Measure the auxiliary battery voltage with the power switch off.

      Standard Voltage
      11 to 14 V

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

      Result
      Proceed to NEXT

   
   

   NEXT

4. INSPECT CAN COMMUNICATION SYSTEM

   
   

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

      Click here

      Result
      Result Proceed to CAN communication system DTCs are not output. A CAN communication system DTCs are output. B

   
   

   B

   GO TO CAN COMMUNICATION SYSTEM Click here

   A

5. CHECK FOR DTC*

   
   

   1. Check for DTCs.

      Click here

      
      Body Electrical > HL AutoLeveling > Trouble Codes

      Result
      Result Proceed to DTCs are not output. A DTCs are output. B

   
   

   B

   GO TO DIAGNOSTIC TROUBLE CODE CHART Click here

   A

6. 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

   GO TO PROBLEM SYMPTOMS TABLE Click here

   A

7. OVERALL ANALYSIS AND TROUBLESHOOTING*

   
   

   1. Data List / Active Test

      Click here

   2. Terminals of ECU

      Click here

   3. Inspection

      Result
      Proceed to NEXT

   
   

   NEXT

8. ADJUST, REPAIR OR REPLACE

   Result
   Proceed to NEXT

   
   

   NEXT

9. CONFIRMATION TEST

   Result
   Proceed to NEXT

   
   

   NEXT

   END