BLOCKING SYSTEM HOW TO PROCEED WITH TROUBLESHOOTING

DTC Code DTC Name
HOW TO PROCEED WITH TROUBLESHOOTING

DESCRIPTION

Tech Tips


  • Use this procedure to troubleshoot the blocking system.

  • *: Use the GTS.

  • When using the GTS with the vehicle ignition switch off, connect the GTS to the vehicle and turn a courtesy light switch on and off at intervals of 1.5 seconds or less until communication between the GTS and the vehicle begins. Then select the Model Code "KEY REGIST" under manual mode and enter the following menus: (desired system). While using the GTS, periodically turn a courtesy light switch on and off at intervals of 1.5 seconds or less to maintain communication between the GTS and the vehicle.

PROCEDURE


  1. VEHICLE BROUGHT TO WORKSHOP

    Result
    Proceed to
    NEXT

    NEXT

  2. 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.

      Tech Tips

      A simple method to determine whether the battery is depleted is to operate the horn.

      Result
      Proceed to
      NEXT

    NEXT

  3. START ENGINE


    1. Check that the engine starts normally.

      OK
      Engine starts normally.
      Result
      Proceed to
      OK
      NG

    NG

    GO TO ENTRY AND START SYSTEM (for Start Function) Click here

    OK

  4. CHECK DTC OUTPUT*


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

      Click here


      Powertrain > Engine and ECT > Trouble Codes
      Body Electrical > Entry&Start > Trouble Codes
      Body Electrical > Immobiliser > Trouble Codes
      Body Electrical > Telematics > Trouble Codes

    2. Clear the DTCs.

      Click here


      Powertrain > Engine and ECT > Clear DTCs
      Body Electrical > Entry&Start > Clear DTCs
      Body Electrical > Immobiliser > Clear DTCs
      Body Electrical > Telematics > Clear DTCs
      Result
      Result Proceed to
      DTC is not output. A
      SFI system (for 2AR-FE) DTC is output. B
      SFI system (for 3ZR-FE) DTC is output. C
      Immobiliser system (w/ Entry and Start System) DTC is output. D
      Immobiliser system (w/o Entry and Start System) DTC is output. E
      Entry and start system (for Start Function) DTC is output. F
      Blocking system DTC is output. G

    B

    GO TO SFI SYSTEM (for 2AR-FE) Click here

    C

    GO TO SFI SYSTEM (for 3ZR-FE) Click here

    D

    GO TO IMMOBILISER SYSTEM (w/ Entry and Start System) Click here

    E

    GO TO IMMOBILISER SYSTEM (w/o Entry and Start System) Click here

    F

    GO TO ENTRY AND START SYSTEM (for Start Function) Click here

    G

    GO TO DIAGNOSTIC TROUBLE CODE CHART Click here

    A

  5. PERFORM SYMPTOMS TABLE


    1. Refer to Problem Symptoms Table.

      Click here

      Result
      Proceed to
      Fault is not listed in the problem symptoms table.
      Fault is listed in the problem symptoms table.

    Fault is listed in the problem symptoms table.

    ADJUST, REPAIR OR REPLACE IN ACCORDANCE WITH PROBLEM SYMPTOMS TABLE

    Fault is not listed in the problem symptoms table.

  6. OVERALL ANALYSIS AND TROUBLESHOOTING*


    1. Terminals of ECU.

      Click here

      Result
      Proceed to
      NEXT

    NEXT

  7. REPAIR OR REPLACE

    Note


    • When replacing the certification ECU (smart key ECU assembly)*1, transponder key ECU assembly*2, telephone transceiver assembly, instrument panel integration antenna assembly or mayday battery, refer to the Service Bulletin.

    • When the telephone transceiver assembly is replaced, it is necessary to set the contract mode.

    • When the mayday battery is replaced, perform the necessary registration procedures for the telephone transceiver. For details, refer to the Service Bulletin.


    • *1: w/ Entry and Start System

    • *2: w/o Entry and Start System

    Result
    Proceed to
    NEXT

    NEXT

  8. CONFIRMATION TEST

    Result
    Proceed to
    NEXT

    NEXT

    END