How To Proceed With Troubleshooting

HINT:

• Use this procedure to troubleshoot the power window control system.
• The hand-held tester should be used in steps 3 and 5.

1. VEHICLE BROUGHT TO WORKSHOP 

   NEXT: GO TO NEXT STEP 

2. CUSTOMER PROBLEM ANALYSIS CHECK AND SYMPTOM CHECK (SEE  CUSTOMER PROBLEM ANALYSIS CHECK   ) 

   NEXT: GO TO NEXT STEP 

3. CHECK COMMUNICATION FUNCTION OF LARGE-SCALE BODY MULTIPLEX COMMUNICATION SYSTEM (BEAN) 
   1. Use the hand-held tester to check for normal function of the multiplex communication system.

      Result: 

      RESULT
      
      

      Result	Proceed to
      (ECU not connected, communication line malfunctioning) Without code outputs	A
      (ECU not connected, communication line malfunctioning) With code outputs	B

   1. B: Go to MULTIPLEX COMMUNICATION SYSTEM (SEE  HOW TO PROCEED WITH TROUBLESHOOTING  ) 
   2. A: GO TO NEXT STEP 
4. PROBLEM SYMPTOMS TABLE (SEE  PROBLEM SYMPTOMS TABLE   ) 

   Result: 

   RESULT
   
   

   Result	Proceed to
   If the faultis not listed on the problem symptoms table	A
   If the faultis listed on the problem symptoms table	B

   1. B: Go to step   6 
   2. A: GO TO NEXT STEP 
5. OVERALL ANALYSIS AND TROUBLESHOOTING 
   1. DATA LIST/ACTIVE TEST (SEE DATA LIST/ACTIVE TEST  )

      Inspection with the hand-held tester (DATA LIST).

   2. Terminals of ECU (SEE TERMINALS OF ECU  )
   3. On-vehicle Inspection (SEE ON-VEHICLE INSPECTION  )
   4. Inspection (SEE INSPECTION  )

   NEXT: GO TO NEXT STEP 

6. ADJUST, REPAIR OR REPLACE 

   NEXT: GO TO NEXT STEP 

7. CONFIRMATION TEST 

   NEXT: GO TO NEXT STEP 

8. RESET POWER WINDOW MOTOR 

   If the power window switch lamp is blinking, reset the power window (SEE INITIALIZATION  ).

   NEXT: GO TO NEXT STEP 

   END