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Home >> Toyota >> 2013 >> Yaris SE, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 11 (Smart Key System (For Start Function) (Diagnostics - Introduction)) >> Smart Key System (For Start Function) >> Diagnosis System >> Diagnosis System
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Diagnosis System

WARNING: This page is about a different car, the 2013 Toyota Prius V. However, it is still accessible from the selected car via links, so may be relevant.
  1. DESCRIPTION 
    1. Smart key system (for start function) data and the Diagnostic Trouble Codes (DTCs) can be read through the Data Link Connector 3 (DLC3) of the vehicle. When the system 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 .
  3. INSPECT AUXILIARY BATTERY VOLTAGE 
    1. Measure the auxiliary battery voltage with the power switch off.

      Standard voltage

      11 to 14 V (IG OFF)

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

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