ENTRY AND START SYSTEM(for Start Function) HOW TO PROCEED WITH TROUBLESHOOTING

DTC Code DTC Name
HOW TO PROCEED WITH TROUBLESHOOTING

CAUTION / NOTICE / HINT

Tech Tips


  • Use these procedures to troubleshoot the push-button start function.

  • *: Use the GTS.

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 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
    Result
    Proceed to
    NEXT

    NEXT

  3. INSPECT BATTERY VOLTAGE

    Standard Voltage
    11 to 14 V

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

    Result
    Proceed to
    NEXT

    NEXT

  4. INSPECT COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*


    1. Use the GTS to check if the CAN communication system is functioning normally.

      Click here

      Result
      Result Proceed to
      CAN communication system DTC is output A
      CAN communication system DTC is not output B

    B

    GO TO CAN COMMUNICATION SYSTEM (DIAGNOSIS SYSTEM) Click here

    A

  5. CHECK FOR DTC*


    1. Check for DTCs and note any codes that are output.

      Click here

    2. Clear the DTC.

      Click here

    3. Recheck for DTCs.

      Result
      Result Proceed to
      DTC does not reoccur A
      DTC reoccurs B

    B

    GO TO DIAGNOSTIC TROUBLE CODE CHART Click here

    A

  6. INSPECT BASIC OPERATION


    1. Check that the engine can be started by the basic operation.


      1. Push the engine switch when the clutch pedal is depressed. Check that the engine starts.

        OK
        Engine starts.

    2. Check that the engine switch mode can be changed by pushing the engine switch.


      1. Without depressing the clutch pedal, push the engine switch repeatedly. Check that the power source mode turns from off to on (ACC) to on (IG) and back to off.

        OK
        Power source mode changes as described above.

      2. With the clutch pedal depressed, push the engine switch. Check that the engine starts normally from any power source mode status.

        OK
        Engine starts normally from any power source mode status.
      Result
      Proceed to
      NEXT

    NEXT

  7. PROBLEM SYMPTOMS TABLE


    1. Refer to Problem Symptoms Table.

      Click here

      Result
      Result Proceed to
      Fault is not listed in the problem symptoms table A
      Fault is listed in the problem symptoms table B

    B

    GO TO STEP 9 Click here

    A

  8. OVERALL ANALYSIS AND TROUBLESHOOTING*


    1. Terminals of ECU.

      Click here

    2. Data List/Active Test.

      Click here

      Result
      Proceed to
      NEXT

    NEXT

  9. REPAIR OR REPLACE

    Result
    Proceed to
    NEXT

    NEXT

  10. CONFIRMATION TEST

    Result
    Proceed to
    NEXT

    NEXT

    END