How To Proceed With Troubleshooting

HINT:

• The wireless door lock control system troubleshooting procedures are based on the premise that the power door lock system is operating normally. Check the power door lock system first before troubleshooting the wireless door lock control system (see SYSTEM DESCRIPTION  ).
• Use these procedures to troubleshoot the wireless door lock control system.
• *: Use the Techstream.

1. VEHICLE BROUGHT TO WORKSHOP 
2. INSPECT BATTERY VOLTAGE 

   Standard voltage: 

   11 to 14 V 

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

3. CHECK FOR DTC* 
   1. Check for DTCs and note any codes that are output (see DTC CHECK/CLEAR  ).
   2. Clear the DTC (see DTC CHECK/CLEAR  ).
   3. Recheck for DTCs. Based on the DTCs output above, try to force output of the same CAN communication system DTC or wireless door lock control system DTC by simulating the symptoms indicated by the DTC.

      Result 

      DTC RESULT REFERENCE
      
      

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

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

   C:  Go to DIAGNOSTIC TROUBLE CODE CHART 

   A: Go to next step 

4. PROBLEM SYMPTOMS TABLE 

   Result 

   PROBLEM SYMPTOMS RESULT REFERENCE
   
   

   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. See OPERATION CHECK 
   2. See DATA LIST / ACTIVE TEST 
   3. See TERMINALS OF ECU 
6. REPAIR OR REPLACE 
7. CONFIRMATION TEST 

   NEXT: END