How To Proceed With Troubleshooting

HINT:

• Use the following procedure to troubleshoot the power window control system.
• The intelligent tester should be used in steps 3 and 5.

1. VEHICLE BROUGHT TO WORKSHOP 
2. CUSTOMER PROBLEM ANALYSIS CHECK AND SYMPTOM CHECK 
3. CHECK COMMUNICATION FUNCTION OF LIN COMMUNICATION SYSTEM 
   1. Use the intelligent tester, inspect the LIN communication function to ensure there are no malfunctions in the communication system.

   Result 

   COMMUNICATION FUNCTION OF LIN COMMUNICATION SYSTEM
   
   

   Result	Proceed to
   No DTCs output	A
   DTCs output	B

   B: GO TO  DIAGNOSIS TROUBLE CODE CHART  

   A: Go to Next Step 

4. PROBLEM SYMPTOMS TABLE 

   HINT:

   See PROBLEM SYMPTOMS TABLE .

5. OVERALL ANALYSIS AND TROUBLESHOOTING 
   1. Data list/Active test

      HINT:

      See DATA LIST / ACTIVE TEST .

   2. Circuit inspection
   3. Terminal of ECU

   HINT:

   See PROBLEM SYMPTOMS TABLE .

6. ADJUST, REPAIR OR REPLACE 
7. RESET POWER WINDOW MOTOR 

   HINT:

   See INITIALIZATION .

   END