How To Proceed With Troubleshooting

HINT: 

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

1. VEHICLE BROUGHT TO WORKSHOP 

   NEXT: Refer to next step 

2. INSPECT BATTERY VOLTAGE 

   Standard voltage

   11 to 14 V

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

   NEXT: Refer to next step 

3. PROBLEM SYMPTOMS TABLE 
   RESULT
   
   

   Result	Refer to
   Fault is not listed in problem symptoms table	A
   Fault is listed in problem symptoms table	B

   B → refer to step 5 

   A: Refer to next step 

4. OVERALL ANALYSIS AND TROUBLESHOOTING* 
   1. Terminals of ECU. Refer to TERMINALS OF ECU 
   2. Operation check. Refer to OPERATION CHECK 
   3. DATA LIST / ACTIVE TEST. Refer to DATA LIST / ACTIVE TEST 

      NEXT: Refer to next step 

5. REPAIR OR REPLACE 

   NEXT: Refer to next step 

6. CONFIRMATION TEST 

   NEXT → END