IMMOBILISER SYSTEM(w/o Entry and Start System)

DTC Code DTC Name
HOW TO PROCEED WITH TROUBLESHOOTING

CAUTION / NOTICE / HINT

Tip:

  • Use the following procedure to troubleshoot the immobiliser system (w/o Entry and Start System).

  • *: Use the GTS.

PROCEDURE

  1. VEHICLE BROUGHT TO WORKSHOP

    Result

    Proceed to

    NEXT
    NEXT

  2. CUSTOMER PROBLEM ANALYSIS

    Tip:

    • In troubleshooting, confirm that the problem symptoms have been accurately identified. Preconceptions should be discarded in order to make an accurate judgment. To clearly understand what the problem symptoms are, it is extremely important to ask the customer about the problem and the conditions at the time the malfunction occurred.

    • Gather as much information as possible for reference. Past problems that seem unrelated may also help in some cases.

    • The following 5 items are important points for problem analysis:

      What

      Vehicle model, system name

      When

      Date, time, occurrence frequency

      Where

      Whether the problem occurs at a specific location

      Under what conditions?

      Whether the doors were locked or unlocked, whether the ignition switch was on, whether the engine was running

      How did it happen?

      Problem symptoms

    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 COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*

    1. Using the GTS, check for CAN communication system DTCs.

      Click hereClick here

    Result

    Result

    Proceed to

    CAN DTCs are not output

    A

    CAN DTCs are output

    B
    B

    GO TO CAN COMMUNICATION SYSTEM

    Click hereClick here

    A

  6. CHECK FOR DTC* (ECM)

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

      1. for 1KR-FE

        Powertrain > Engine and ECT > Trouble Codes

      2. for 1PP

        Powertrain > Engine > Trouble Codes

        Tip:

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

    Result

    Result

    Proceed to

    DTCs are not output

    A

    SFI system DTCs are output

    B

    Immobiliser system DTCs are output

    C
    B

    GO TO DIAGNOSTIC TROUBLE CODE CHART

    for 1KR-FE:Click here

    for 1PP:Click here

    C

    GO TO DIAGNOSTIC TROUBLE CODE CHART

    Click here

    A

  7. CHECK FOR DTC* (TRANSPONDER KEY ECU ASSEMBLY)

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

      Body Electrical > Immobiliser > Trouble Codes

      Tip:

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

    Result

    Result

    Proceed to

    DTCs are not output

    A

    Immobiliser system DTCs are output

    B
    B

    GO TO DIAGNOSTIC TROUBLE CODE CHART

    Click here

    A

  8. 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

    REPAIR OR REPLACEClick here

    A

  9. OVERALL ANALYSIS AND TROUBLESHOOTING*

    1. Data List / Active Test

      Click here

    2. Terminals of ECU

      Click here

    Result

    Proceed to

    NEXT
    NEXT

  10. REPAIR OR REPLACE

    Tip:

    If the transponder key ECU assembly, ECM, or door control transmitter assembly are replaced, refer to Service Bulletin.

    Result

    Proceed to

    NEXT
    NEXT

  11. CHECK FOR DTC*

    1. Clear the DTCs.

      Body Electrical > Immobiliser > Clear DTCs

      1. for 1KR-FE

        Powertrain > Engine and ECT > Clear DTCs

      2. for 1PP

        Powertrain > Engine > Clear DTCs

    2. Check for DTCs.

      Body Electrical > Immobiliser > Trouble Codes

      1. for 1KR-FE

        Powertrain > Engine and ECT > Trouble Codes

      2. for 1PP

        Powertrain > Engine > Trouble Codes

        Tip:

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

    Result

    Result

    Proceed to

    DTCs are not output

    A

    Immobiliser system DTCs are output

    B
    A

    END

    B

    GO TO DIAGNOSTIC TROUBLE CODE CHART

    Click here