LANE DEPARTURE ALERT SYSTEM HOW TO PROCEED WITH TROUBLESHOOTING

CAUTION / NOTICE / HINT

PROCEDURE

1. VEHICLE BROUGHT TO WORKSHOP

   Result
   Proceed to NEXT

   
   

   NEXT

2. 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, replace or recharge the auxiliary battery before proceeding to the next step.

      Result
      Proceed to NEXT

   
   

   NEXT

3. CHECK CAN COMMUNICATION SYSTEM*

   
   

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

      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

4. CHECK FOR DTCs (LANE DEPARTURE ALERT SYSTEM)*

   
   

   1. Check for DTCs and note any codes that are output Click here.

   2. Clear the DTCs Click here.

   3. Recheck for DTCs. Try to reproduce the DTCs by duplicating the conditions indicated by the DTCs Click here.

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

   
   

   B

   GO TO DIAGNOSTIC TROUBLE CODE CHART Click here

   A

5. PROBLEM SYMPTOMS TABLE

   Tech Tips

   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 STEP 8 Click here

   A

6. OVERALL ANALYSIS AND TROUBLESHOOTING*

   
   

   1. Terminals of ECU Click here.

   2. Data List / Active Test Click here.

      Result
      Proceed to NEXT

   
   

   NEXT

7. ADJUST, REPAIR OR REPLACE

   Note

   When the lane departure warning camera is replaced with a new one, adjustment of the lane departure warning camera axis must be performed Click here.

   Result
   Proceed to NEXT

   
   

   NEXT

8. CONFIRMATION TEST

   Result
   Proceed to NEXT

   
   

   NEXT

   END