ENGINE IMMOBILISER SYSTEM (for Hatchback) > HOW TO PROCEED WITH TROUBLESHOOTING


HINT:
  1. Use these procedures to troubleshoot the engine immobiliser system.
  2. *: Use the Techstream.
  3. If the ignition switch cannot be turned to ON, communication with the Techstream can be performed by connecting the Techstream to the vehicle and turning a courtesy light switch on and off at intervals of 1.5 seconds or less until communication between the Techstream and vehicle begins.


1.VEHICLE BROUGHT TO WORKSHOP

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    2.INSPECT BATTERY VOLTAGE

      Standard voltage:
      11 to 14 V
      If the voltage is below 11 V, recharge or replace the battery before proceeding.

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

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    3.CRANK ENGINE FOR MORE THAN 10 SECONDS

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      4.CHECK FOR DTC*

      1. Check for DTCs and note any codes that are output (Click here).

      2. Based on the DTCs output above, proceed to each diagnostic procedure.

        Result 
        Result
        		Proceed to
        DTC is not output
        		A
        SFI system DTC is output
        		B
        Engine immobiliser system DTC is output
        		C


      		B.
      GO TO SFI SYSTEM (Click here)

      		C.
      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 problem symptoms table
        		A
        Fault is listed in problem symptoms table
        		B


      		B.
      Go to step 7
      A


      6.OVERALL ANALYSIS AND TROUBLESHOOTING*

      1. Data List / Active Test (Click here).

      2. Terminals of ECU (Click here).


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      7.ADJUST, REPAIR OR REPLACE

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        8.CHECK FOR DTC*

        1. Clear the DTCs (Click here).

        2. Check for DTCs (Click here).

          HINT:
          Before checking for DTCs, perform the "DTC Output Confirmation Operation" of each diagnostic procedure (Click here).
          Result 
          Result
          		Proceed to
          DTC is not output
          		A
          Engine immobiliser system DTC is output
          		B


        		B.
        GO TO DIAGNOSTIC TROUBLE CODE CHART (Click here)
        A

        END