How To Proceed With Troubleshooting

HINT:

• Use these procedures to troubleshoot the power window control system.
• *: Use the intelligent tester or Techstream.

1. VEHICLE BROUGHT TO WORKSHOP 
2. INSPECT BATTERY VOLTAGE 

   Standard voltage: 

   11 to 14 V 

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

3. CHECK COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM* 
   1. Use the intelligent tester or Techstream to check if the CAN communication system is functioning normally.

      Result: 

      COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM RESULT REFERENCE CHART
      
      

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

   B: Go TO CAN COMMUNICATION SYSTEM  (See HOW TO PROCEED WITH TROUBLESHOOTING )

   A: Go to Next Step 

4. PROBLEM SYMPTOMS TABLE 
   1. Refer to the PROBLEM SYMPTOMS TABLE  .

      Result: 

      COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM RESULT REFERENCE CHART
      
      

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

   B:  Go TO STEP  6

   A: Go to Next Step 

5. OVERALL ANALYSIS AND TROUBLESHOOTING* 
   1. See OPERATION CHECK  .
   2. See TERMINALS OF ECU  .
   3. See DATA LIST / ACTIVE TEST  .
6. REPAIR OR REPLACEMENT 
7. CONFIRMATION TEST 

   NEXT: END