How To Proceed With Troubleshooting

HINT:

• Troubleshooting of the wireless door lock control system is based on the premise that the power door lock system, the power window control system, the sliding roof system and the power back door system are operating normally. Therefore, before troubleshooting the wireless door lock control system, first make certain that the power door lock system, the power window control system, the sliding roof system and the power back door system are operating normally.
• Use this procedure to troubleshoot the wireless door lock control system.
• The hand-held tester should be used in steps  3 and  5.

1. VEHICLE BROUGHT TO WORKSHOP 
2. CUSTOMER PROBLEM ANALYSIS CHECK AND SYMPTOM CHECK (See  CUSTOMER PROBLEM ANALYSIS CHECK   ) 
3. DTC CHECK (See  DIAGNOSTIC TROUBLE CODE CHART   ) 
   1. Check for DTC and note any codes that are output.
   2. Delete the DTC.
   3. Recheck for DTC. Try to prompt the DTC by simulating the original activity that the DTC suggests.
      1. If the DTC does not reoccur, proceed to A.
      2. If the DTC reoccurs, proceed to B.
   1. B: Go to step   6 
   2. A: Go to next step 
4. PROBLEM SYMPTOMS TABLE (See  PROBLEM SYMPTOMS TABLE   ) 
   1. If the fault is not listed on the problem symptoms table, proceed to A.
   2. If the fault is listed on the problem symptoms table, proceed to B.
   1. B: Go to step   6 
   2. A: Go to next step 
5. OVERALL ANALYSIS AND TROUBLESHOOTING 
   1. Pre-check (See PRE-CHECK  )
      1. Inspection with the hand-held tester (DATA LIST)
      2. Inspection with the hand-held tester (ACTIVE TEST)
   2. Terminals of ECU (See TERMINALS OF ECU  )
   3. On-vehicle inspection
6. ADJUST, REPAIR OR REPLACE 
7. CONFIRMATION TEST 
   1. END