BLOCKING SYSTEM HOW TO PROCEED WITH TROUBLESHOOTING

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.


  1. VEHICLE BROUGHT TO WORKSHOP


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  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.


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  3. START ENGINE


    1. Check that the engine starts normally.

      OK
      Engine starts normally.

      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.

    2. Clear the DTCs Click here.

      Result
      Result Proceed to
      DTC is not output. A
      SFI system DTC is output. B
      Immobiliser system DTC is output. C
      Entry and start system (for start function) DTC is output. D
      Blocking system DTC is output. E

      B

      GO TO SFI SYSTEM Click here

      C

      GO TO IMMOBILISER SYSTEM Click here

      D

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

      E

      GO TO DIAGNOSTIC TROUBLE CODE CHART Click here

      A

  5. PROBLEM SYMPTOMS TABLE


    1. Refer to Problem Symptoms Table Click here.

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

      B

      ADJUST, REPAIR OR REPLACE IN ACCORDANCE WITH PROBLEM SYMPTOMS TABLE
      A

  6. OVERALL ANALYSIS AND TROUBLESHOOTING*


    1. Terminals of ECU Click here.


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  7. REPAIR OR REPLACE

    Note


    • When replacing the ID code box (immobiliser code ECU), 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, registration in the telephone transceiver is necessary. For details, refer to the Service Bulletin.


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  8. CONFIRMATION TEST


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    END