SMART ENTRY AND START SYSTEM (for Entry Function) DIAGNOSIS SYSTEM


  1. DESCRIPTION


    1. The certification ECU (smart key ECU assembly) control the vehicle smart entry and start system functions. Smart entry and start system data and Diagnostic Trouble Codes (DTCs) can be read through the vehicle Data Link Connector 3 (DLC3). In some cases, a malfunction may be occurring in the smart entry and start system. When the system seems to be malfunctioning, use the GTS to check for malfunctions and perform repairs.

  2. CHECK DLC3


    1. Check the DLC3 Click here.

  3. INSPECT BATTERY VOLTAGE


    1. Measure the battery voltage.

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