POWER DOOR LOCK CONTROL SYSTEM HOW TO PROCEED WITH TROUBLESHOOTING

DTC Code DTC Name
HOW TO PROCEED WITH TROUBLESHOOTING

CAUTION / NOTICE / HINT

Tech Tips


  • Use the following procedure to troubleshoot the power door lock control system.

PROCEDURE


  1. VEHICLE BROUGHT TO WORKSHOP

    Result
    Proceed to
    NEXT

    NEXT

  2. CUSTOMER PROBLEM ANALYSIS CHECK

    Tech Tips


    • 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 for problem analysis:

    What Vehicle model, system name
    When Date, time, occurrence frequency, whether the problem occurred recently or has been occurring for a long time
    Where Whether the problem occurs at a specific location
    Under what conditions? Whether the doors were locked or unlocked, whether the ignition switch was on, whether the engine has started
    How did it happen? Problem symptoms
    Result
    Proceed to
    NEXT

    NEXT

  3. INSPECT BATTERY VOLTAGE


    1. Measure the battery voltage.

      Standard voltage
      11 to 14 V

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

      Result
      Proceed to
      NEXT

    NEXT

  4. CHECK METER / GAUGE SYSTEM


    1. Check the meter / gauge system.

      Click here

      OK
      Meter / gauge system operates normally.
      Result
      Proceed to
      OK
      NG

    NG

    GO TO METER / GAUGE SYSTEM Click here

    OK

  5. CHECK SMART ENTRY AND START SYSTEM (for Entry Function) (w/Smart Entry and Start System)


    1. Check the smart entry and start system (for Entry Function).

      Click here

      OK
      Smart entry and start system (for Entry Function) operates normally.
      Result
      Proceed to
      OK
      NG

    NG

    GO TO SMART ENTRY AND START SYSTEM (for Entry Function) Click here

    OK

  6. PROBLEM SYMPTOMS TABLE


    1. Refer to Problem Symptoms Table.

      Click here

      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 8 Click here

    A

  7. OVERALL ANALYSIS AND TROUBLESHOOTING


    1. Terminals of ECU

      Click here

    2. Operation Check

      Click here

      Result
      Proceed to
      NEXT

    NEXT

  8. REPAIR OR REPLACE

    Result
    Proceed to
    NEXT

    NEXT

  9. CONFIRMATION TEST

    Result
    Proceed to
    NEXT

    NEXT

    END