How To Proceed With Troubleshooting

HINT:

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

1. VEHICLE BROUGHT TO WORKSHOP 
2. INSPECT BATTERY VOLTAGE 

   Standard voltage: 

   11 to 14 V 

   HINT:

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

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 REFERENCE
      
      

      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 REFERENCE
   
   

   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. Operation Check (see OPERATION CHECK  ).
   2. Terminals of ECU (see TERMINALS OF ECU  ).
   3. DATA LIST / ACTIVE TEST (see DATA LIST / ACTIVE TEST  ).
6. ADJUST, REPAIR OR REPLACE 
7. CONFIRMATION TEST 
8. RESET POWER WINDOW MOTOR 
   1. If the power window master switch AUTO light is blinking, reset the power window motor (see INITIALIZATION  ).

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