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 the following procedure to troubleshoot the engine immobiliser system.

*: Use the GTS.

PROCEDURE


  1. VEHICLE BROUGHT TO WORKSHOP

    Result
    Proceed to
    NEXT

    NEXT

  2. CUSTOMER PROBLEM ANALYSIS CHECK


    1. Interview the customer to confirm the trouble.

      Click here

      Result
      Proceed to
      NEXT

    NEXT

  3. INSPECT BATTERY VOLTAGE


    1. Measure the 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. CRANK ENGINE FOR MORE THAN 10 SECONDS

    Result
    Proceed to
    NEXT

    NEXT

  5. 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 DTCs (SFI system and engine immobiliser system) by simulating the symptoms indicated by the DTCs.

      Tech Tips

      Before checking for DTCs, perform the "DTC Output Confirmation Operation" of each diagnostic procedure.

      Result
      Result Proceed to
      DTC is not output A
      DTC is (SFI system) output*1 B
      DTC is (ECD system) output*2 C
      DTC is output (engine immobiliser system) D

      • *1: for 1NR-FE

      • *2: for 1ND-TV


    B

    GO TO DTC CHART Click here

    C

    GO TO DTC CHART Click here

    D

    GO TO DTC CHART Click here

    A

  6. 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 8 Click here

    A

  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

    Tech Tips

    If the transponder key ECU assembly, ECM or key is replaced refer to the Service Bulletin.

    Result
    Proceed to
    NEXT

    NEXT

  9. CHECK FOR DTC*


    1. Check for DTCs.

      Click here

      Tech Tips

      Before checking for DTCs, perform the "DTC Output Confirmation Operation" of each diagnostic procedure.

      Result
      Result Proceed to
      DTCs are not output A
      Engine immobiliser system DTCs are output B

    A

    END

    B

    GO TO DIAGNOSTIC TROUBLE CODE CHART Click here