ENTRY AND START SYSTEM(for Entry 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 entry and start system (for Entry Function).

  • *: Use the GTS.

PROCEDURE


  1. VEHICLE BROUGHT TO WORKSHOP

    Result
    Proceed to
    NEXT

    NEXT

  2. INSPECT BATTERY VOLTAGE

    Standard voltage
    11 to 14 V

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

    Result
    Proceed to
    NEXT

    NEXT

  3. CHECK 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 DTC is not output A
      CAN DTC is output (for LHD with Entry and Start System) B
      CAN DTC is output (for RHD with Entry and Start System) C

    B

    GO TO CAN COMMUNICATION SYSTEM Click here

    C

    GO TO CAN COMMUNICATION SYSTEM Click here

    A

  4. CHECK COMMUNICATION FUNCTION OF LIN COMMUNICATION SYSTEM*


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

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

    B

    GO TO LIN COMMUNICATION SYSTEM Click here

    A

  5. CHECK FOR DTC*


    1. Check for DTCs. Based on the DTCs output, try to cause the same steering lock system DTC, engine immobiliser system DTC or entry and start system (for Entry Function) DTC to be stored by reproducing the symptoms indicated by the DTC.

      Result
      Result Proceed to
      DTC is not output A
      Steering lock system DTC is output B
      Engine immobiliser system DTC is output C
      Entry and start system (for Entry Function) DTC is output D

    B

    GO TO STEERING LOCK SYSTEM Click here

    C

    GO TO ENGINE IMMOBILISER SYSTEM Click here

    D

    GO TO DIAGNOSTIC TROUBLE CODE CHART Click here

    A

  6. PROBLEM SYMPTOMS TABLE


    1. Refer to the 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. Operation Check

      Click here

    2. Data List / Active Test

      Click here

    3. Terminals of ECU

      Click here

      Result
      Proceed to
      NEXT

    NEXT

  8. REPAIR OR REPLACEMENT

    Result
    Proceed to
    NEXT

    NEXT

  9. CONFIRMATION TEST

    Result
    Proceed to
    NEXT

    NEXT

    END