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. Refer to PROBLEM SYMPTOMS TABLE .
Use these procedures to troubleshoot the wireless door lock control system.
*: Use a Techstream.

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:

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

NEXT: Go to next step

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

OVERALL ANALYSIS AND TROUBLESHOOTING*
1. Operation Check. Refer to OPERATION CHECK
2. DATA LIST / ACTIVE TEST. Refer to DATA LIST / ACTIVE TEST
3. Terminals of ECU. Refer to TERMINALS OF ECU
  NEXT: Go to next step
REPAIR OR REPLACE
NEXT: Go to next step
CONFIRMATION TEST*
NEXT → END