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 PROBLEM SYMPTOMS TABLE  ).
• Use these procedures to troubleshoot the wireless door lock control system.
• *: Use an intelligent tester or Techstream.

1. VEHICLE BROUGHT TO WORKSHOP 
2. CUSTOMER PROBLEM ANALYSIS CHECK 

   HINT:

   • In troubleshooting, confirm that the problem symptoms have been accurately identified. Preconceptions should be discarded in order to make an accurate judgment. To clearly understand what the problem symptoms are, it is extremely important to ask the customer about the problem and the conditions at the time the malfunction occurred.
   • Gather as much information as possible for reference. Past problems that seem unrelated may also help in some cases.
   • The following 5 items are important points in the problem analysis:
   CUSTOMER PROBLEM ANALYSIS POINTS REFERENCE
   
   

   What	Vehicle model, system name
   When	Date, time, occurrence frequency
   Where	Road conditions
   Under what conditions?	Running conditions, driving conditions, weather conditions
   How did it happen?	Problem symptoms

3. INSPECT BATTERY VOLTAGE 

   Standard voltage: 

   11 to 14 V 

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

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. DATA LIST / ACTIVE TEST (see DATA LIST / ACTIVE TEST  )
   3. Terminals of ECU (see TERMINALS OF ECU  )
6. REPAIR OR REPLACE 
7. CONFIRMATION TEST 

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