How To Proceed With Troubleshooting

HINT: 

• Use these procedures to troubleshoot the lane-keeping assist system.
• *: Use the Techstream.

1. VEHICLE BROUGHT TO WORKSHOP 

   NEXT: Go to next step 

2. INSPECT BATTERY VOLTAGE 

   Standard voltage

   11 to 14 V

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

   NEXT: Go to next step 

3. CHECK FOR DTC (ELECTRIC POWER CONTROL SYSTEM)* 
   1. Using the Techstream, check if the electric power control system is functioning normally.
      RESULT
      
      

      Result	Proceed to
      DTC B22B3 is not output	A
      DTC B22B3 is output	B

      B → Go to ELECTRIC POWER CONTROL SYSTEM. Refer to  DIAGNOSTIC TROUBLE CODE TABLE 

      A: Go to next step 

4. CHECK COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM* 
   1. Use the Techstream to check if the CAN Communication System is functioning normally.
      RESULT
      
      

      Result	Proceed to
      CAN DTC is not output	A
      CAN DTC is output	B

      B → Go to CAN COMMUNICATION SYSTEM. Refer to  DIAGNOSIS SYSTEM 

      A: Go to next step 

5. CHECK FOR DTC* 
   1. Check for DTCs. Refer to DTC CHECK/CLEAR .
   2. Clear the DTCs. Refer to DTC CHECK/CLEAR .
   3. Recheck for DTCs. Refer to DTC CHECK/CLEAR .
      RESULT
      
      

      Result	Proceed to
      DTC does not reoccur	A
      DTC reoccurs	B

      B → Go to step   8 

      A: Go to next step 

6. PROBLEM SYMPTOMS TABLE 
   1. Refer to PROBLEM SYMPTOMS TABLE .
      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 

      A: Go to next step 

7. OVERALL ANALYSIS AND TROUBLESHOOTING* 
   1. Refer to TERMINALS OF ECU 
   2. Refer to DATA LIST/ACTIVE TEST 

      NEXT: Go to next step 

8. ADJUST, REPAIR OR REPLACE 
   NOTE: When the object recognition ECU or object recognition camera is replaced with a new one, adjustment of the camera sensor beam axis must be performed. Refer to ADJUSTMENT .

   NEXT: Go to next step 

9. CONFIRMATION TEST 

   NEXT → END