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Home >> Lexus >> 2012 >> IS 350C >> Repair and Diagnosis >> Electrical >> Starter >> Smart Access System With Push-Button Start (For Entry Function) (Diagnostics & Symptom Tests) >> SMART ACCESS SYSTEM WITH PUSH-BUTTON START (for Entry Function) >> Diagnosis System >> Diagnosis System

Diagnosis System

  1. CHECK DLC3 
    1. Check the DLC3. Refer to GENERAL INFORMATION .
  2. 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.