BLOCKING SYSTEM HOW TO PROCEED WITH TROUBLESHOOTING

Tech Tips


  • Use this procedure to troubleshoot the blocking system.

  • *: Use the GTS.


  1. VEHICLE BROUGHT TO WORKSHOP


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  2. INSPECT AUXILIARY BATTERY VOLTAGE


    1. Measure the auxiliary battery voltage with the power switch off.

      Standard Voltage
      11 to 14 V

      • If the voltage is below 11 V, recharge or replace the auxiliary battery before proceeding to the next step.


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  3. START HYBRID CONTROL SYSTEM


    1. Check that the hybrid control system starts normally.

      OK
      Hybrid control system 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
      Hybrid control system DTC is output. B
      Engine 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 HYBRID CONTROL SYSTEM Click here

      C

      GO TO ENGINE 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

      Go to step 7
      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.


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  8. CONFIRMATION TEST


    NEXT
    END