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Home >> Toyota >> 2015 >> Prius Persona >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 15 (Theft Deterrent System / Keyless Entry System (Service Information) & Diagnostics (Plug-In)) >> Push-Button Start >> Diagnosis System [08/2014 - ] >> Diagnosis System [08/2014 - ]
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Diagnosis System [08/2014 - ]

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  1. DESCRIPTION 
    1. Push-button start function data and the Diagnostic Trouble Codes (DTCs) can be read through the Data Link Connector 3 (DLC3) of the vehicle. When the function seems to be malfunctioning, use the Techstream to check for malfunctions and perform repairs.
  2. CHECK DLC3 
    1. Check the DLC3. Refer to GENERAL INFORMATION [08/2014 - ] .
  3. INSPECT AUXILIARY BATTERY VOLTAGE 
    1. Measure the auxiliary battery voltage.

      Standard Voltage

      11 to 14 V

      If the voltage is below 11 V, recharge or replace the auxiliary battery.