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Home >> Toyota >> 2017 >> Corolla SE, Standard Trans >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Anti-Theft Systems >> Immobilizer System (W/O Smart Key) - Diagnostics - Introduction (Model Code: ZRE172) >> IMMOBILIZER SYSTEM (W/O Smart Key System) >> Diagnosis System [08/2013 - ] >> Diagnosis System [08/2013 - ]
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Diagnosis System [08/2013 - ]

  1. DESCRIPTION 
    1. The transponder key ECU assembly controls the immobilizer system. Immobilizer system data and Diagnostic Trouble Codes (DTCs) can be read through the vehicle Data Link Connector 3 (DLC3).
  2. CHECK DLC3 
    1. Check the DLC3.

      Refer to GENERAL INFORMATION [08/2013 - ]

  3. 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.

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