How To Proceed With Troubleshooting

HINT:

The wireless door lock control system troubleshooting procedures are 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.

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 intelligent tester to check for normal function of the can communication system.

      Result 

      RESULT CHART
      
      

      Result	Proceed To
      CAN DTC is not output	A
      CAN DTC is output	See DIAGNOSTIC TROUBLE CODE CHART

   B:  Go to CAN COMMUNICATION SYSTEM

   A: Go to Next Step 

4. DTC CHECK 
   1. Check for a DTC and note any codes that are output.
   2. Delete the DTC.
   3. Recheck for DTCs. Try to prompt the DTC by simulating the original activity that the DTC suggests.

      Result 

      RESULT CHART
      
      

      Result	Proceed To
      DTC does not reoccur	A
      DTC reoccurs	See DTC CHECK / CLEAR

   B: Go to DTC CHART 

   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. (See TERMINALS OF ECU  )
   2. (See DATA LIST / ACTIVE TEST  )
8. ADJUST, REPAIR OR REPLACE 
9. CONFIRMATION TEST 

   NEXT: END