STOP AND START SYSTEM HOW TO PROCEED WITH TROUBLESHOOTING

DTC Code DTC Name
HOW TO PROCEED WITH TROUBLESHOOTING

CAUTION / NOTICE / HINT

Tech Tips

The GTS can be used in steps 3, 4, 6 and 9.

PROCEDURE


  1. VEHICLE BROUGHT TO WORKSHOP

    Result
    Proceed to
    NEXT

    NEXT

  2. CUSTOMER PROBLEM ANALYSIS


    1. Confirm the problem symptoms.

      Result
      Proceed to
      NEXT

    NEXT

  3. CHECK FOR STOP AND START SYSTEM DTC


    1. Check for DTCs.

      Click here


      1. Record the DTCs.

        Tech Tips

        If any DTCs for the CAN communication system are output, troubleshoot those DTCs first.

        However, if DTC P323B for the Stop and Start system is output, troubleshoot it before troubleshooting the CAN communication system.

      Result
      Result Proceed to
      DTC is output A
      DTC is not output B

    B

    PROBLEM SYMPTOMS TABLE Click here

    A

  4. DIAGNOSTIC TROUBLE CODE CHART

    Result
    Proceed to
    NEXT

    NEXT

    GO TO STEP 7 Click here

  5. PROBLEM SYMPTOMS TABLE


    1. Problem Symptoms Table.

      Click here

      Result
      Proceed to
      NEXT

    NEXT

  6. OVERALL ANALYSIS AND TROUBLESHOOTING


    1. Data List/Active Test.

      Click here

    2. Terminals of ECU.

      Click here

      Result
      Proceed to
      NEXT

    NEXT

  7. CIRCUIT INSPECTION

    Result
    Proceed to
    NEXT

    NEXT

  8. ADJUST AND/OR REPAIR

    Result
    Proceed to
    NEXT

    NEXT

  9. CLEAR DTC


    1. Clear the DTC.

      Click here

      Result
      Proceed to
      NEXT

    NEXT

  10. CONFIRMATION TEST


    1. Perform a confirmation test.


      1. Warm up the engine.

      2. Turn the air conditioning system off.

      3. Drive the vehicle for 15 minutes to 40 minutes.

      4. Stop the vehicle, shift to neutral and depresses the brake pedal. Check if the stop and start cancel indicator light goes off.

        Tech Tips

        If the engine does not stop due to stop and start system control, air fuel ratio learning and idle speed learning are necessary. Allow the engine to idle for 3 minutes and check that the engine speed is within 50 rpm of the target idle speed.

      5. Check if the engine restarts.

      Result
      Proceed to
      NEXT

    NEXT

    END