ENGINE IMMOBILISER SYSTEM (w/o Entry and Start System) > DIAGNOSIS SYSTEM

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DESCRIPTION

  1. The transponder key ECU controls the vehicle's immobiliser system functions. Immobiliser system data and Diagnostic Trouble Code (DTC) can be read through the vehicle's Data Link Connector 3 (DLC3).
    When the system seems to be malfunctioning, use the intelligent tester to check for malfunctions and perform repairs.


CHECK DLC3

  1. Check the DLC3 (Click here).


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.