LIGHTING 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 with the ignition switch off.

      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 TYPE

   
   

   1. Check the vehicle type.

      Result
      Result Proceed to w/ VSC A w/ ABS B

   
   

   B

   CHECK ANTI-LOCK BRAKE SYSTEM Click here

   A

4. 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

5. 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 (for LED Headlight) A Meter/gauge system DTCs are not output (for Halogen Headlight) B Meter/gauge system DTCs are output C

   
   

   B

   GO TO STEP 8 Click here

   C

   GO TO METER/GAUGE 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 with Central Gateway ECU:

      Click here

      for RHD with Central Gateway ECU:

      Click here

      for LHD without Central Gateway ECU:

      Click here

      for RHD without Central Gateway ECU:

      Click here

      Result
      Result Proceed to CAN communication system DTCs are not output A CAN communication system DTCs are output (for LHD with Central Gateway ECU) B CAN communication system DTCs are output (for RHD with Central Gateway ECU) C CAN communication system DTCs are output (for LHD without Central Gateway ECU) D CAN communication system DTCs are output (for RHD without Central Gateway ECU) E

   
   

   B

   GO TO CAN COMMUNICATION SYSTEM* Click here

   C

   GO TO CAN COMMUNICATION SYSTEM* Click here

   D

   GO TO CAN COMMUNICATION SYSTEM* Click here

   E

   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. Operation Check.

      Click here

   2. Terminals of ECU.

      Click here

   3. 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

12. CHECK ANTI-LOCK BRAKE SYSTEM

    
    

    1. Use the GTS to check if the anti-lock brake system is functioning normally.

       Click here

       
       Chassis > ABS/VSC/TRC > Trouble Codes

       Result
       Result Proceed to Anti-lock brake system DTCs are not output A Anti-lock brake system DTCs are output B

    
    

    A

    GO TO STEP 5 Click here

    B

    GO TO ANTI-LOCK BRAKE SYSTEM Click here