STOP AND START SYSTEM HOW TO PROCEED WITH TROUBLESHOOTING

DTC Code DTC Name
HOW TO PROCEED WITH TROUBLESHOOTING

CAUTION / NOTICE / HINT

Tech Tips

*: Use the GTS

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. PRE-CHECK


    1. Measure the battery voltage.

      Standard Voltage
      11 to 14 V (Engine switch off)

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

      Tech Tips


      • Whether the vehicle battery is discharged can be checked simply by operating the horn.

      • After recharging the battery, using the GTS, initialize the integrated current item*.

      *: If the Data List item "Integrated Current" indicates 0 or more, initialization is not necessary.

    2. Check the fuses and relays.

    3. Check the connector connections and terminals to make sure that there are no abnormalities such as loose connections, deformation, etc.

      Result
      Proceed to
      NEXT

    NEXT

  4. CHECK DTC AND FREEZE FRAME DATA*


    1. Check for DTCs Click here.

    2. Check for freeze frame data.

      Tech Tips

      Record or print DTCs and freeze frame data if necessary.

    3. Clear the DTCs and freeze frame data Click here.

    4. Recheck for DTCs Click here.

      Tech Tips

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

      Result
      Result Proceed to
      DTCs are output A
      DTCs are not output B

    B

    GO TO STEP 6 Click here

    A

  5. DIAGNOSTIC TROUBLE CODE CHART

    Result
    Proceed to
    NEXT

    NEXT

  6. PROBLEM SYMPTOMS TABLE


    1. Problem Symptoms Table Click here.

      Result
      Proceed to
      NEXT

    NEXT

  7. OVERALL ANALYSIS AND TROUBLESHOOTING*


    1. Data List / Active Test Click here

    2. Terminals of ECU Click here

      Result
      Proceed to
      NEXT

    NEXT

  8. REPAIR OR REPLACE

    Result
    Proceed to
    NEXT

    NEXT

  9. CONFIRMATION TEST*


    1. Warm up the engine.

    2. Turn the air conditioning system off.

    3. Drive the vehicle for 5 to 40 minutes.

      CAUTION:

      When performing Confirmation Driving Pattern, obey all speed limits and traffic laws.

    4. Stop the vehicle and confirm that the engine is stopped by stop and start control when all of the following conditions are met:


      • Steering wheel centered

      • Shift lever in D

      • Brake pedal depressed

      • Stop and start indicator light illuminated

      Tech Tips

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

    5. Move the shift lever to P or N and confirm that the engine starts.

      Result
      Proceed to
      NEXT

    NEXT

    END