ENGINE IMMOBILISER SYSTEM(w/o Entry and Start System) 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 engine immobiliser system.

  • *: Use the intelligent tester.

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 battery before proceeding.

    Result
    Proceed to
    NEXT

    NEXT

  3. CRANK ENGINE FOR MORE THAN 10 SECONDS

    Result
    Proceed to
    NEXT

    NEXT

  4. CHECK FOR DTC*


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

      Click here

    2. Clear the DTCs.

      Click here

    3. Recheck for DTCs. Try to duplicate the DTC (SFI system, ECD system and engine immobiliser system) by reproducing the symptoms indicated by the DTC.

      Result
      Result Proceed to
      DTCs are not output A
      SFI system DTCs are output (for 1GR-FE) B
      ECD system DTCs are output (for 1VD-FTV) C
      Immobiliser system DTCs are output D
      Engine immobiliser system DTC is output E

    B

    GO TO ECD SYSTEM Click here

    C

    GO TO ECD SYSTEM Click here

    D

    GO TO ECD SYSTEM Click here

    E

    GO TO ECD SYSTEM Click here

    A

  5. PROBLEM SYMPTOMS TABLE


    1. Refer to 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 7 Click here

    A

  6. OVERALL ANALYSIS AND TROUBLESHOOTING*


    1. Data List / Active Test.

      Click here

    2. Terminals of ECU.

      Click here

      Result
      Proceed to
      NEXT

    NEXT

  7. ADJUST , REPAIR OR REPLACE

    Result
    Proceed to
    NEXT

    NEXT

  8. CONFIRMATION TEST

    Result
    Proceed to
    NEXT

    NEXT

    END