How To Proceed With Troubleshooting

HINT:

• Use these procedures to troubleshoot the power door lock control system.
• The intelligent tester should be used in steps  3 and  5.

1. VEHICLE BROUGHT TO WORKSHOP 
2. CUSTOMER PROBLEM ANALYSIS 
   1. Interview the customer to confirm the trouble (See HOW TO PROCEED WITH TROUBLESHOOTING ).
3. INSPECT COMMUNICATION FUNCTION OF MULTIPLEX COMMUNICATION SYSTEM (BEAN) 
   1. Use the intelligent tester to check if the Multiplex Communication System (MPX) is functioning normally.

      Result 

      RESULT TABLE
      
      

      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 TABLE
   
   

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

   B: After repair, go to step   7 

   A: Go to next step. 

5. OVERALL ANALYSIS AND TROUBLESHOOTING 
   1. See TERMINALS OF ECU 
   2. See DATA LIST/ACTIVE TEST 
6. REPAIR OR REPLACE 
7. CONFIRMATION TEST 

   NEXT: END