How To Proceed With Troubleshooting

HINT:

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

1. VEHICLE BROUGHT TO WORKSHOP 
2. INSPECT BATTERY VOLTAGE 

   Standard voltage: 11 to 14 V 

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

3. CHECK FOR DTC* 
   1. Check for DTCs and note any codes that are output (see DIAGNOSTIC TROUBLE CODE CHART  ).
   2. Delete the DTC (see DTC CHECK / CLEAR  ).
   3. Recheck for DTCs (see 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 REFERENCE
      
      

      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  (See CAN COMMUNICATION SYSTEM )

   C: Go to LIN COMMUNICATION SYSTEM  (See DIAGNOSTIC TROUBLE CODE CHART )

   D: Go to DIAGNOSTIC TROUBLE CODE CHART (See  DIAGNOSTIC TROUBLE CODE CHART   ) 

   A: GO TO NEXT STEP 

4. PROBLEM SYMPTOMS TABLE 

   Result: 

   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. Operation check (see OPERATION CHECK  )
   2. Terminals of ECU (see TERMINALS OF ECU  )
   3. DATA LIST / ACTIVE TEST (see DTC CHECK / CLEAR  )
6. REPAIR OR REPLACE 
7. CONFIRMATION TEST 

   NEXT: END