How To Proceed With Troubleshooting

HINT: 

• Use these procedures to troubleshoot the power window control 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 COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM* 
   1. Use the Techstream to check if the CAN communication system is functioning normally. Refer to PRECAUTION .
      RESULT
      
      

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

      B → GO TO CAN COMMUNICATION SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING 

      A: Go to next step 

4. CHECK COMMUNICATION FUNCTION OF LIN COMMUNICATION SYSTEM* 
   1. Check if the LIN communication system is functioning normally.
      RESULT
      
      

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

      B → GO TO LIN COMMUNICATION SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING 

      A: Go to next step 

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

      Result	Proceed to
      No DTCs are output	A
      DTC B2311 is output	B
      DTC B2312 is output	B
      DTC B2313 is output	B

      B → GO TO DIAGNOSTIC TROUBLE CODE CHART. Refer to  DIAGNOSTIC TROUBLE CODE CHART  

      A: Go to next step 

6. PROBLEM SYMPTOMS TABLE 
   1. Refer to Problem Symptoms Table. Refer to PROBLEM SYMPTOMS TABLE .
      RESULT
      
      

      Result	Proceed to
      Fault not listed in problem symptoms table	A
      Fault listed in problem symptoms table	B

      B → GO TO STEP 8 

      A: Go to next step 

7. OVERALL ANALYSIS AND TROUBLESHOOTING* 
   1. Operation Check. Refer to OPERATION CHECK .
   2. Terminals of ECU. Refer to TERMINALS OF ECU .
   3. Data List / Active Test. Refer to DATA LIST / ACTIVE TEST .

      NEXT: Go to next step 

8. REPAIR OR REPLACE 
   RESULT
   
   

   Result	Proceed to
   Door window regulator replaced or removed/installed	A
   Door window regulator not replaced or removed/installed	B

   B → GO TO STEP 10 

   A: Go to next step 

9. RESET POWER WINDOW REGULATOR 
   1. If a power window regulator switch LED is blinking, initialize the power window regulator. Refer to INITIALIZATION .

      NEXT: Go to next step 

10. CONFIRMATION TEST 

    NEXT → END