How To Proceed With Troubleshooting

HINT:

• Use this procedure to troubleshoot the power window control system.
• *: Use the Techstream.

1. VEHICLE BROUGHT TO WORKSHOP 

   NEXT 

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 

3. CHECK COMMUNICATION FUNCTION OF LARGE-SCALE BODY MULTIPLEX COMMUNICATION SYSTEM (BEAN)* 
   1. Using the Techstream, check if the Multiplex Communication System (MPX) is functioning normally.

      Result 

      RESULT REFERENCE
      
      

      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 REFERENCE
   
   

   Result	Proceed to
   If the fault is not listed in the problem symptoms table	A
   If the fault is listed in the problem symptoms table	B

   B : Go to step   7 

   A : GO TO NEXT STEP 

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

   NEXT 

6. ADJUST, REPAIR OR REPLACE 

   NEXT 

7. CONFIRMATION TEST 

   NEXT 

8. RESET POWER WINDOW MOTOR 

   If the power window switch AUTO light is blinking, reset the power window (see SYSTEM DESCRIPTION ).

   NEXT : END