How To Proceed With Troubleshooting

HINT: 

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

1. VEHICLE BROUGHT TO WORKSHOP 

   NEXT: Go to next step 

2. INSPECT BATTERY VOLTAGE 

   Standard voltage

   11 to 14 V

   HINT: 

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

   NEXT: Go to next step 

3. INSPECT COMMUNICATION FUNCTION OF LIN COMMUNICATION SYSTEM* 
   1. Using Techstream, inspect the LIN communication function to ensure there are no malfunctions in the communication system.
      RESULT
      
      

      Result	Proceed to
      No DTCs output	A
      DTCs output	B

      B → GO TO  DIAGNOSTIC TROUBLE CODE CHART  

      A: Go to next step 

4. 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   6 

   A: Go to next step 

5. OVERALL ANALYSIS AND TROUBLESHOOTING* 
   1. Refer to OPERATION CHECK .
   2. Refer to TERMINALS OF ECU .
   3. Refer to DATA LIST / ACTIVE TEST .

      NEXT: Go to next step 

6. ADJUST, REPAIR OR REPLACE 

   NEXT: Go to next step 

7. CONFIRMATION TEST 

   NEXT: Go to next step 

8. RESET POWER WINDOW MOTOR 
   1. If the power window master switch AUTO light is blinking, reset the power window motor. Refer to INITIALIZATION .

      NEXT → END