How To Proceed With Troubleshooting

HINT:

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

1. VEHICLE BROUGHT TO WORKSHOP 

   NEXT 

2. INSPECT BATTERY VOLTAGE 

   Standard voltage: 

   11 to 14 V 

   HINT:

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

   NEXT 

3. INSPECT COMMUNICATION FUNCTION OF LARGE-SCALE MULTIPLEX COMMUNICATION SYSTEM (BEAN)* 
   1. Use the intelligent tester to check if the Multiplex Communication System (MPX) is functioning normally.

      Result 

      RESULT CHART
      
      

      Result	Proceed to
      MPX DTC is not output	A
      MPX DTC is output	B

   B : Go to MULTIPLEX COMMUNICATION SYSTEM 

   A : Go to next step 

4. PROBLEM SYMPTOMS TABLE 

   Result 

   RESULT CHART
   
   

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

   B : Go to step   7 

   A : Go to next step 

5. OVERALL ANALYSIS AND TROUBLESHOOTING* 
   1. DATA LIST / ACTIVE TEST 
   2. ON-VEHICLE INSPECTION 
   3. ON-VEHICLE INSPECTION 
   4. TERMINALS OF ECU 

   NEXT 

6. ADJUST, REPAIR OR REPLACE 

   NEXT 

7. CONFIRMATION TEST 

   NEXT 

8. RESET POWER WINDOW MOTOR 
   1. If the power window switch AUTO light is blinking, rest the power window motor.

   NEXT : END