How To Proceed With Troubleshooting

HINT:

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

1. VEHICLE BROUGHT TO WORKSHOP 
2. INSPECT BATTERY VOLTAGE 

   Standard voltage: 11 to 14 V 

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

3. CHECK FOR DTC* 
   1. Check for DTCs and make a note of any codes that are output.
   2. Clear the DTCs.
   3. Recheck for DTCs. Based on the DTCs output in the first step, try to force output of the same DTC by simulating the symptoms indicated by the DTC.

      Result 

      RESULT CHART
      
      

      Result	Proceed to
      No DTCs output	A
      DTCs output	B
      CAN communication system DTCs are output	C
      LIN communication system DTCs are output	D

   B: GO TO DIAGNOSIS TROUBLE CODE CHART  (See DIAGNOSIS TROUBLE CODE CHART  )

   C: GO TO CAN COMMUNICATION SYSTEM  (See HOW TO PROCEED WITH TROUBLESHOOTING )

   D: GO TO LIN COMMUNICATION SYSTEM  (See HOW TO PROCEED WITH TROUBLESHOOTING )

   A: Go to next step 

4. PROBLEM SYMPTOMS TABLE 
   1. Refer to the Problem Symptoms Table (See PROBLEM SYMPTOMS TABLE  ).

      Result 

      RESULT 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. Operation Check (See OPERATION CHECK  ).
   2. Terminals of ECU (See TERMINALS OF ECU  ).
   3. Data List/Active Test (See DATA LIST / ACTIVE TEST  ).
6. REPAIR OR REPLACEMENT 

   Result 

   RESULT CHART
   
   

   Result	Proceed to
   Door window regulator and power window regulator motor assembly is replaced or removed/installed.	A
   Door window regulator and power window regulator motor assembly is not replaced or removed/installed.	B

   B: GO TO STEP  8

   A: Go to next step 

7. RESET POWER WINDOW REGULATOR MOTOR 
   1. If the power window regulator master switch AUTO light is blinking, reset the power window regulator motor (See INITIALIZATION  ).
8. CONFIRMATION TEST 

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