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. Refer to HOW TO PROCEED WITH TROUBLESHOOTING .

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

1. VEHICLE BROUGHT TO WORKSHOP 

   NEXT: Go to next step 

2. CUSTOMER PROBLEM ANALYSIS 
   1. Interview the customer to confirm the trouble. Refer to HOW TO PROCEED WITH TROUBLESHOOTING .

      NEXT: Go to next step 

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

      Result

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

      B → Go to CAN COMMUNICATION SYSTEM. Refer to  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	Proceed to
      DTC does not recur	A
      DTC recurs	B

      B → Go to DTC CHECK/CLEAR. Refer to  DTC CHECK / CLEAR  

      A: Go to next step 

5. SYMPTOM SIMULATION 

   NEXT: Go to next step 

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. Refer to TERMINALS OF ECU 
   2. Data List/Active Test. Refer to DATA LIST / ACTIVE TEST 

      NEXT: Go to next step 

8. ADJUST, REPAIR OR REPLACE 

   NEXT: Go to next step 

9. CONFIRMATION TEST 

   NEXT → END