How To Proceed With Troubleshooting

HINT:

The wireless door lock control system troubleshooting procedure is based on the premise that the power door lock control system is operating normally. Check the power door lock control system first before troubleshooting the wireless door lock control system (See HOW TO PROCEED WITH TROUBLESHOOTING ).

Use this procedure to troubleshoot the wireless door lock control system.

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 CAN COMMUNICATION SYSTEM 
   1. Use the Techstream to check for normal function of the can communication system.

      Result 

      RESULT REFERENCE
      
      

      Result	Proceed to
      CAN DTC Is not output	A
      CAN DTC Is output	B

      B: Go to CAN COMMUNICATION SYSTEM  (See DIAGNOSTIC TROUBLE CODE CHART )

      A: Go to next step 

4. DTC CHECK 
   1. Check for DTCs and note any codes that are output.
   2. Clear the DTCs.
   3. Recheck for DTCs.

      Result 

      RESULT REFERENCE
      
      

      Result	Proceed to
      DTC does not recur	A
      DTC recurs	B

      B: Go to DTC CHECK/CLEAR  (See DIAGNOSIS SYSTEM )

      A: Go to next step 

5. SYMPTOM SIMULATION 
6. PROBLEM SYMPTOMS TABLE 
   1. If the fault is not listed in the problem symptoms table, proceed to A.
   2. If the fault is listed in the problem symptoms table, proceed to B.

      B: Go to step  8

      A: Go to next step 

7. PERFORM TROUBLESHOOTING ACCORDING TO MALFUNCTION SYMPTOM 
   1. Terminals of ECU (See TERMINALS OF ECU )
   2. Data List/Active Test (See DATA LIST / ACTIVE TEST )
8. ADJUST, REPAIR OR REPLACE 
9. CONFIRMATION TEST 

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