AUTOMATIC HIGH BEAM 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 BATTERY VOLTAGE

   
   

   1. Measure the battery voltage.

      Standard voltage
      11 to 14 V

      If the voltage is below 11 V, recharge or replace the 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.

      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

5. CHECK SFI SYSTEM*

   
   

   1. for 8AR-FTS

      
      

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

         w/ Canister Pump Module:

         Click here

         w/o Canister Pump Module:

         Click here

         
         Powertrain > Engine > Trouble Codes

   2. for 3ZR-FAE

      
      

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

         Click here

         
         Powertrain > Engine and ECT > Trouble Codes

      Result
      Result Proceed to SFI system DTCs are not output A SFI control system DTCs are output (w/ Canister Pump Module) B SFI control system DTCs are output (w/o Canister Pump Module) C SFI control system DTCs are output (for 3ZR-FAE) D

   
   

   B

   GO TO SFI SYSTEM Click here

   C

   GO TO SFI SYSTEM Click here

   D

   GO TO SFI SYSTEM Click here

   A

6. CHECK AIRBAG SYSTEM*

   
   

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

      Click here

      
      Body Electrical > SRS Airbag > Trouble Codes

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

   
   

   B

   GO TO AIRBAG SYSTEM Click here

   A

7. 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

8. CHECK FOR DTC*

   
   

   1. Check for DTCs.

      Click here

      
      Body Electrical > Main Body > 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

9. 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

10. OVERALL ANALYSIS AND TROUBLESHOOTING*

    
    

    1. Operation check

       Click here

    2. Fail-safe chart

       Click here

    3. Data List / Active Test

       Click here

    4. Terminals of ECU

       Click here

    5. Inspection

       Result
       Proceed to NEXT

    
    

    NEXT

11. ADJUST, REPAIR OR REPLACE

    Result
    Proceed to NEXT

    
    

    NEXT

12. CONFIRMATION TEST

    Result
    Proceed to NEXT

    
    

    NEXT

    END