How To Proceed With Troubleshooting

HINT: 

• Use these procedures to troubleshoot the wireless door lock control system.
• *: Use the Techstream.

1. VEHICLE BROUGHT TO WORKSHOP 

   NEXT: Go to next step 

2. INSPECT BATTERY VOLTAGE 

   Standard voltage

   11 to 14 V

   If the voltage is below 11 V, recharge or replace the battery before proceeding.

   NEXT: Go to next step 

3. CHECK FOR DTC* 
   1. Check for DTCs and note any codes that are output. Refer to DIAGNOSTIC TROUBLE CODE TABLE .
   2. Delete the DTC. Refer to DTC CHECK/CLEAR .
   3. Recheck for DTCs. Refer to DTC CHECK/CLEAR . Based on the DTCs output above, try to force output of the same CAN communication system DTC, LIN communication system DTC or wireless door lock control system DTC by simulating the symptoms indicated by the DTC.
      RESULT:
      
      

      Result	Proceed to
      DTC is not output	A
      CAN communication system DTC is output	B
      LIN communication system DTC is output	C
      Wireless door lock control system DTC is output	D

      B → Go to CAN COMMUNICATION SYSTEM. Refer to  PRECAUTION 

      C → Go to LIN COMMUNICATION SYSTEM. Refer to  DIAGNOSTIC TROUBLE CODE TABLE 

      D → Go to DIAGNOSTIC TROUBLE CODE TABLE. Refer to  DIAGNOSTIC TROUBLE CODE TABLE  

      A: Go to next step 

4. PROBLEM SYMPTOMS TABLE 
   RESULT:
   
   

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

   B → Go to step   6 

   A: Go to next step 

5. OVERALL ANALYSIS AND TROUBLESHOOTING* 
   1. Refer to OPERATION CHECK 
   2. Refer to TERMINALS OF ECU 
   3. Refer to DATA LIST/ACTIVE TEST 

      NEXT: Go to next step 

6. REPAIR OR REPLACE 

   NEXT: Go to next step 

7. CONFIRMATION TEST 

   NEXT → END