CHARGING SYSTEM HOW TO PROCEED WITH TROUBLESHOOTING

DTC Code DTC Name
HOW TO PROCEED WITH TROUBLESHOOTING

CAUTION / NOTICE / HINT

Tech Tips

*: Use the intelligent tester.

PROCEDURE


  1. VEHICLE BROUGHT TO WORKSHOP

    Result
    Proceed to
    NEXT

    NEXT

  2. CUSTOMER PROBLEM ANALYSIS

    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 to the next step.

    Result
    Proceed to
    NEXT

    NEXT

  4. INSPECT COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*


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

      Result
      Result Proceed to
      CAN DTCs are not output A
      CAN DTCs are output (w/o Toyota Safety Sense) B
      CAN DTCs are output (w/ Toyota Safety Sense) C

    B

    GO TO CAN COMMUNICATION SYSTEM Click here

    C

    GO TO CAN COMMUNICATION SYSTEM Click here

    A

  5. CHECK FOR DTC*

    Tech Tips

    Refer to DTC Check / Clear.

    Click here

    Result
    Result Proceed to
    No code A
    Trouble code B

    B

    GO TO DTC CHART Click here

    A

  6. REFER TO PROBLEM SYMPTOMS TABLE

    Tech Tips

    Refer to Problem Symptoms Table.

    Click here

    Result
    Result Proceed to
    Malfunctioning parts not confirmed A
    Malfunctioning parts confirmed B

    B

    GO TO STEP 11 Click here

    A

  7. OVERALL ANALYSIS AND TROUBLESHOOTING*

    Tech Tips

    Refer to Data List / Active Test.

    Click here

    Result
    Result Proceed to
    Malfunctioning parts not confirmed A
    Malfunctioning parts confirmed B

    B

    GO TO STEP 11 Click here

    A

  8. CHECK ECU CIRCUIT

    Tech Tips

    Refer to Terminals of ECU.

    Click here

    Result
    Proceed to
    OK
    NG.

    NG.

    GO TO STEP 11 Click here

    OK

  9. CHECK FOR INTERMITTENT PROBLEMS

    Tech Tips

    Refer to Symptom Simulation.

    Click here

    Result
    Proceed to
    NEXT

    NEXT

  10. CONDUCT PARTS INSPECTION

    Result
    Proceed to
    NEXT

    NEXT

  11. IDENTIFY PROBLEM

    Result
    Proceed to
    NEXT

    NEXT

  12. ADJUST AND/OR REPAIR

    Result
    Proceed to
    NEXT

    NEXT

  13. CONDUCT CONFIRMATION TEST

    Result
    Proceed to
    NEXT

    NEXT

    END